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dx.doi.org/ 10.18577/2307-6046-2015-0-2-1-1

УДК 669.715:669.725

Fokanov A.N., Tebyakin А.V.

EXPERIENCE ON APPLICATION OF ALUMINIUM-BERYLLIUM ALLOY SEMI-PRODUCTS IN EXPERIMENTAL STRUCTURES (REVIEW)

The article describes experience on application of semiproducts made of high-modulus Al–Be–Mg alloys (ABM) in experimental structures. An experimental work on production of the wing spoiler skin from ABM1 alloy for An-72 aircraft was carried out under scientific supervision of Academician I.N. Friedlander and Doctor of Science (Tech.) K.P. Yatsenko at Voskresensk experimental and technological center of VIAM in cooperation with Antonov Design Bureau. A fuselage section from ABM1 alloy was produced together with A.S. Yakovlev Design Bureau. TSNIIMV (now JSC «Composite») produced ABM1 alloy pipe weldments which are used by S.A. Lavochkin Design Bureau for production of solar battery modules of «Venera» spacecraft (from 5 to 16) and «Vega» series.

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Reference list

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7. Rozenenkova V.A., Solncev S.S., Mironova N.A. Kompleksnaja zashhita berillievyh splavov ot okislenija i sublimacii toksichnyh parov berillija [Comprehensive protection against oxidation of beryllium alloys and beryllium sublimation toxic fumes] //Trudy VIAM. 2013. №5. St. 03 (viam-works.ru).
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18. Fridljander I.N., Chuistov K.V., Berezina A.L., Kolobnev N.I., Koval' Ju.N. Aljuminij-litievye splavy. Struktura i svojstva [Aluminum-lithium alloys. Structure and Properties]. K.: Naukova dumka. 1992.
19. Antipov V.V., Senatorova O.G., Tkachenko E.A., Vahromov R.O. Aljuminievye deformiruemye splavy [Aluminium wrought alloys] //Aviacionnye materialy i tehnologii. 2012. №S. S. 167–182.
20. Gorbunov P.Z., Tebjakin A.V. Kriterii ajeromobil'nosti beralmetov – materialov aviakosmicheskoj tehniki [Criteria airmobile beralmetov - aerospace materials]. M.: Poligraf servis. 2008. 84 s.

dx.doi.org/ 10.18577/2307-6046-2015-0-2-2-2

УДК 669.245:621.762

Evgenov A.G., Rogalev A.M., Nerush S.V., Mazalov I.S.

A STUDY OF PROPERTIES OF EP648 ALLOY MANUFACTURED BY THE SELECTIVE LASER SINTERING OF METAL POWDERS

Structure and properties of pieces produced by selective laser sintering of powders of high-chromium heat-resistant alloy EP648 by Concept Laser unit were investigated. It was shown that the developed sintering conditions provide production of dense parts with average volume porosity as much as 0.07% and a high complex of mechanical properties equal (or higher) to maximum certified values for cast material.

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Reference list

1. Kablov E.N. Strategicheskie napravlenija razvitija materialov i tehnologij ih pererabotki na period do 2030 goda [Strategic directions of development of materials and technologies to process them for the period up to 2030] //Aviacionnye materialy i tehnologii. 2012. №S. S. 7–17.
2. Kablov E.N., Petrushin N.V., Svetlov I.L., Demonis I.M. Nikelevye litejnye zharoprochnye splavy novogo pokolenija [Casting nickel superalloys new generation] //Aviacionnye materialy i tehnologii. 2012. №S. S. 36–52.
3. Shmotin Ju.N., Starkov R.Ju., Danilov D.V., Ospennikova O.G., Lomberg B.S. Novye materialy dlja perspektivnogo dvigatelja OAO «NPO „Saturn”» [New materials for advanced engine JSC «NPO „Saturn”»] //Aviacionnye materialy i tehnologii. 2012. №2. S. 6–8.
4. Kablov E.N., Ospennikova O.G., Lomberg B.S., Sidorov V.V. Prioritetnye napravlenija razvitija tehnologij proizvodstva zharoprochnyh materialov dlja aviacionnogo dvigatelestroenija [Priority areas for the development of production technology of high-temperature materials for aircraft engine] //Problemy chernoj metallurgii i materialovedenija. 2013. №3. S. 47–54.
5. Kablov E.N. Shestoj tehnologicheskij uklad [Sixth technological way] //Nauka i zhizn'. 2010. №4. S. 2–7.
6. Kablov E.N., Lomberg B.S., Ospennikova O.G. Sozdanie sovremennyh zharoprochnyh mate-rialov i tehnologij ih proizvodstva dlja aviacionnogo dvigatelestroenija [The creation of modern high-temperature materials and production technologies for aviation engine] //Kryl'ja Rodiny. 2012. №3–4. S. 34–38.
7. Grjaznov M.Ju., Shotin S.V., Chuvil'deev V.N. Jeffekt mezostrukturnogo uprochnenija stali 316L pri poslojnom lazernom splavlenii [Effect mesostructural hardening steel 316L in stratified laser fusion] //Vestnik Nizhegorodskogo universiteta im. N.I. Lobachevskogo. 2012. №5(1). S. 45–50.
8. Smurov I.Ju., Jadrojcev I.A., Movchan I.A. i dr. Additivnoe proizvodstvo s pomoshh'ju lazera. Provedenie jeksperimental'nyh rabot [Additive manufacturing a laser. Experimental works] //Vestnik MGTU «Stankin». 2012. №1(18). S. 36–38.
9. Tarasova T.V., Nazarov A.P. Issledovanie processov modifikacii poverhnostnogo sloja i izgotovlenija trehmernyh mashinostroitel'nyh detalej posredstvom selektivnogo lazernogo splavlenija [Investigation of processes of modification of the surface layer and fabrication of three-dimensional engineering components by selective laser melting] //Vestnik MGTU «Stankin». 2013. №2(25). S. 17–25.
10. Trineva T.L. Tehnologicheskij process izgotovlenija litejnoj osnastki iz kompozitnogo materiala metodom selektivnogo lazernogo spekanija [Manufacturing process of casting tooling of composite material by selective laser sintering] //Processy lit'ja. 2012. №1(91). S. 31–35.
11. Techel A. et al. Laser Additive Manufacturing of Turbine Components, Precisely and Repeatable. Fraunhofer Institute for Material and Beam Technology (IWS), http://www.lia.org/blog/category/laser-insights-2/laser-additive-manufacturing/
12. Louvis E. et аl. Selective laser melting of aluminium components //Journal of Materials Processing Technology. 2011. V. 211 №2. P. 275–284.
13. Kablov E.N., Petrushin N.V. Komp'juternyj metod konstruirovanija litejnyh zharoprochnyh nikelevyh splavov [Computer method for the construction of the casting heat-resistant nickel alloys] /V kn.: Litejnye zharoprochnye splavy. Jeffekt S.T. Kishkina /Pod red. E.N. Kablova. M.: Nauka. 2006. S. 56–78.
14. Gorjunov A.V., Rigin V.E. Sovremennaja tehnologija poluchenija litejnyh zharoprochnyh nikelevyh splavov [Modern technology of production of heat-resistant nickel alloys casting] //Aviacionnye materialy i tehnologii. 2014. №2. S. 3–7.
15. Ospennikova O.G., Evgenov A.G., Nerush S.V., Afanas'ev-Hodykin A.N. Issledovanie melkodipsernyh poroshkov pripoev na nikelevoj osnove primenitel'no k polucheniju vysokotehnologichnogo polufabrikata v vide samoklejushhejsja lenty na organicheskom svjazujushhem [The study melkodipsernyh solder powder on the basis of nickel in relation to the preparation of high-tech semi-finished products in the form of self-adhesive tape on the organic binder] //Vestnik UGATU. 2012. №5 (50). S. 137–144.
16. Kablov E.N., Evgenov A.G., Ryl'nikov V.S., Afanas'ev-Hodykin A.N. Issledovanie melkodispersnyh poroshkov pripoev dlja diffuzionnoj vakuumnoj pajki, poluchennyh metodom atomizacii rasplava [Investigation of fine solder powder to diffusion vacuum brazing obtained by the melt atomization] //Vestnik MGTU im. N.Je. Baumana. Ser. «Mashinostroenie». 2011. №SP2. S. 79–87.
17. Nerush S.V., Evgenov A.G., Ermolaev A.S., Rogalev A.M. Issledovanie melkodispersnogo metallicheskogo poroshka zharoprochnogo splava na nikelevoj osnove dlja lazernoj LMD naplavki [Investigation fine metal powder superalloy based on nickel for laser welding LMD] //Voprosy materialovedenija. 2013. №4(76). S. 98–107.
18. Evgenov A.G., Nerush S.V., Vasilenko S.A. Poluchenie i oprobovanie melkodispersnogo metallicheskogo poroshka vysokohromistogo splava na nikelevoj osnove primenitel'no k lazernoj LMD-naplavke [Preparation and testing of a fine metal powder high-chromium nickel-based alloy with respect to the laser LMD-surfacing] //Trudy VIAM. 2014. №5. St. 04 (viam-works.ru).
19. Nerush S.V., Evgenov A.G. Issledovanie melkodispersnogo metallicheskogo poroshka zharoprochnogo splava marki JeP648-VI primenitel'no k lazernoj LMD-naplavke, a takzhe ocenka kachestva naplavki poroshkovogo materiala na nikelevoj osnove na rabochie lopatki TVD [The study of the fine metal powder superalloy EP648 brand-VI with respect to the laser LMD-surfacing, as well as evaluation of the quality of the powder material deposition on nickel-based on the HPT rotor blades] //Trudy VIAM. 2014. №3. St. 01 (viam-works.ru).

dx.doi.org/ 10.18577/2307-6046-2015-0-2-3-3

УДК 621.77

Razyvaev E.I., Moiseev N.V., Kapitanenko D.V., Bubnov M.V.

MODERN TECHNOLOGIES OF PLASTIC WORKING OF METALS

Modern principles and approaches to development of processing procedures for manu-facture of wrought billets of disks and blades from heat-resistant nickel, titanium and other alloys for the purpose to achieve an optimum combination of operational and processing characteristics were described in the paper. Isothermal forging of disks in a special oxida-tion-resistant stamping tool without the use of a vacuum camera was considered.

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Reference list

1. Kablov E.N. Strategicheskie napravlenija razvitija materialov i tehnologij ih perera-botki na period do 2030 goda [Strategic directions of development of materials and technologies to process them for the period up to 2030] //Aviacionnye materialy i tehnologii. 2012. №S. S. 7–17.
2. Kablov E.N. Shestoj tehnologicheskij uklad [Sixth technological way] //Nauka i zhizn'. 2010. № 4. S. 2–7.
3. Kablov E.N., Ospennikova O.G., Lomberg B.S. Kompleksnaja innovacionnaja tehnologija izotermicheskoj shtampovki na vozduhe v rezhime sverhplastichnosti diskov iz superzharoprochnyh splavov [Integrated innovative technology isothermal forging in air superplasticity drive from superzharoprochnyh alloys] //Aviacionnye materialy i tehnologii. 2012. №S. S. 129–141.
4. Sposob izgotovlenija shtampovok diskov iz slitkov vysokogradientnoj kristallizacii iz nikelevyh splavov [A method of manufacturing forgings from ingots high-gradient drives the crystallization of nickel alloys]: pat. 2389822 Ros. Federacija; opubl. 29.04.2009.
5. Morozova G.I. Zakonomernost' formirovanija himicheskogo sostava γ′/γ-matricy mnogokomponentnyh nikelevyh splavov [Pattern formation of the chemical composition of γ'/γ-matrix multi-nickel alloys] //DAN. 1991. T. 320. №6. S. 1413–1416.
6. Sposob poluchenija izdelija iz deformiruemogo zharoprochnogo nikelevogo splava [A method of manufacturing a heat-resistant nickel alloy wrought]: pat. 2387733 Ros. Federacija; opubl. 31.03.2009.
7. Lomberg B.S., Ovsepjan S.V., Bakradze M.M., Mazalov I.S. Vysokozharoprochnye deformiruemye nikelevye splavy dlja perspektivnyh gazoturbinnyh dvigatelej i gazoturbinnyh ustanovok [Highly heat resistant wrought nickel alloys for advanced gas turbine engines and gas turbines] //Vestnik MGTU im. N.Je. Baumana. Ser. «Mashinostroenie». 2011. №SP2. S. 98–103.
8. Solncev S.S., Rozenenkova V.A. Zashhitnye tehnologicheskie pokrytija na osnove stekla dlja termicheskoj obrabotki stalej i splavov [Protective technological coatings based on heat treatment of glass and steel alloys] //Steklo i keramika. 2006. №11. S. 29–33.
9. Kablov E.N., Lomberg B.S., Ospennikova O.G. Sozdanie sovremennyh zharoprochnyh mate-rialov i tehnologij ih proizvodstva dlja aviacionnogo dvigatelestroenija [The creation of modern high-temperature materials and production technologies for aviation engine] //Kryl'ja Rodiny. 2012. №3–4. S. 34–38.
10. Figlin S.Z., Bojcov V.V., Kalpin Ju.G., Kaplin Ju.I. Izotermicheskoe deformirovanie metallov [Isothermal deformation of metals]. M.: Mashinostroenie. 1978. 239 s.
11. Lomberg B.S., Ovsepjan S.V., Bakradze M.M. Novyj zharoprochnyj nikelevyj splav dlja diskov gazoturbinnyh dvigatelej (GTD) i gazoturbinnyh ustanovok (GTU) [New heat-resistant nickel alloy disks of gas turbine engines (GTE) and gas turbines (GT)] //Materialovedenie. 2010. №7. S. 24–28.
12. Ponomarenko D.A., Moiseev N.V., Skugorev A.V. Proizvodstvo diskov GTD iz zharoprochnyh splavov na izotermicheskih pressah [Production of GTE disks of superalloys isothermal presses] //Aviacionnye materialy i tehnologii. 2013. №1. S. 13–16.
13. Skugarev A.V., Burhanova A.A., Nochovnaja N.A., Izotova A.Ju. Jeffektivnost' primenenija izotermicheskoj deformacii pri izgotovlenii shtampovok iz titanovyh splavov [Efficacy of isothermal deformation in the manufacture of titanium alloy forgings] //Titan. 2013. №1(39). S. 31–34.
14. Razuvaev E.I., Lebedev D.Ju., Bubnov M.V. Formirovanie ul'tramelkozernistoj i nanorazmernoj struktury v metallah i splavah metodami deformacii [Formation of ultrafine and nano-sized structures in metals and alloys by deformation] //Aviacionnye materialy i tehnologii. 2010. №3. S. 3–8.
15. Ponomarenko D.A., Moiseev N.V., Skugorev A.V. Jeffektivnaja tehnologija izgotovlenija diskov GTD iz zharoprochnyh nikelevyh splavov [Effective manufacturing technology drives a turbine engine from heat-resistant nickel alloys] //Kuznechno-shtampovochnoe proizvodstvo. 2013. №10. S. 13–17.
16. Lomberg B.S., Ovsepjan S.V., Bakradze M.M., Mazalov I.S. Vysokotemperaturnye zharoprochnye nikelevye splavy dlja detalej gazoturbinnyh dvigatelej [High-temperature heat-resistant nickel alloys for turbine engines parts] //Aviacionnye materialy i tehnologii. 2012. №S. S. 52–57.
17. Lomberg B.S., Ovsepjan S.V., Bakradze M.M. Osobennosti legirovanija i termicheskoj obrabotki zharoprochnyh nikelevyh splavov dlja diskov gazoturbinnyh dvigatelej novogo pokolenija [Features alloying and heat treatment of heat-resistant nickel alloys for disks of gas turbine engines of the new generation] //Aviacionnye materialy i tehnologii. 2010. №2. S. 3–8.
18. Razuvaev E.I., Kapitanenko D.V. Vlijanie termomehanicheskoj obrabotki na strukturu i svojstva austenitnyh stalej [Effect of thermomechanical treatment on the structure and properties of austenitic steels] //Trudy VIAM. 2013. №5. St. 01 (viam-works.ru).

dx.doi.org/ 10.18577/2307-6046-2015-0-2-4-4

УДК 669.14.046.516

Shcherbakov A.I., Krylov S.А., Kalitsev V.A., Ignatov V.A.

DEVELOPMENT OF A TECHNOLOGY FOR MELTING OF HIGH-STRENGTH MARAGING STEEL VKS-180-ID MICRO-ALLOYED WITH REMS

VKS-180-ID steel is recommended for production of high-loaded parts, landing gears, airframe and engine. Metallurgical characteristics of high-strength maraging steel VKS-180-ID melt in a vacuum induction furnace (VI) with the subsequent remelting in a vacuum arc furnace (VA) using the chosen system of REM-based micro-alloying and addition of nickel oxide were studied. The technology allows production of steels with a low content of gases and impurities (carbon ≤0.005%; oxygen ≤0.004%; nitrogen ≤0.003%) providing a high level of mechanical properties both in longitudinal and in transverse directions (tensile strength, impact strength, ductility).

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Reference list

1. Kablov E.N., Ospennikova O.G., Bazyleva O.A. Materialy dlja vysokoteplonagruzhennyh detalej gazoturbinnyh dvigatelej [Materials for high-thermal components of gas turbine engines] //Vestnik MGTU im. N.Je. Baumana. Ser. «Mashinostroenie». 2011. №SP2. S. 13–19.
2. Kablov E.N. Strategicheskie napravlenija razvitija materialov i tehnologij ih perera-botki na period do 2030 goda [Strategic directions of development of materials and technologies to process them for the period up to 2030] //Aviacionnye materialy i tehnologii. 2012. №S. S. 7–17.
3. Kablov E.N. Sovremennye materialy – osnova innovacionnoj modernizacii Rossii [Modern materials – the basis of innovative modernization of Russia] //Metally Evrazii. 2012. №3. S. 10–15.
4. Kablov E.N. Shestoj tehnologicheskij uklad [Sixth technological way] //Nauka i zhizn'. 2010. № 4. S. 2–7.
5. Kablov E.N., Ospennikova O.G., Vershkov A.V. Redkie metally i redkozemel'nye jelementy – materialy sovremennyh i budushhih vysokih tehnologij [Rare metals and rare earth elements – materials of current and future high-tech] //Trudy VIAM. 2013. №2. St. 01 (viam-works.ru).
6. Kablov E.N., Ospennikova O.G., Lomberg B.S., Sidorov V.V. Prioritetnye napravlenija razvitija tehnologij proizvodstva zharoprochnyh materialov dlja aviacionnogo dvigatelestroenija [Priority areas for the development of production technology of high-temperature materials for aircraft engine] //Problemy chernoj metallurgii i materialovedenija. 2013. №3. S. 47–54.
7. Salahova R.K. Korrozionnaja stojkost' stali 30HGSA s «trehvalentnym» hromovym pokrytiem v estestvennyh i iskusstvennyh sredah [The corrosion resistance of steel 30KhGSA with «trivalent» chrome plated in natural and artificial environments] //Aviacionnye materialy i tehnologii. 2012. №2. S. 59–66.
8. Kablov E.N., Lomberg B.S., Ospennikova O.G. Sozdanie sovremennyh zharoprochnyh materialov i tehnologij ih proizvodstva dlja aviacionnogo dvigatelestroenija [The creation of modern high-temperature materials and production technologies for aviation engine] //Kryl'ja Rodiny. 2012. №3–4. S. 34–38.
9. Lomberg B.S., Pokrovskij A.A., Topilin V.V., Shherbakov A.I. Vlijanie sposoba pereplava na kachestvo martensitostarejushhej vysokoprochnoj stali [Influence of remelting method on the quality of high-strength steel martensitostareyuschey] //Stal'. 1973. №8 S. 725.
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20. Vylezhnev V.P., Kokovjakina S.A., Simonov Ju.N., Suhih A.A. Povyshenie harakteristik nadezhnosti martensitostarejushhej stali 03N18K9M5T putem sozdanija struktury tipa «nanotripleks» [Improving the reliability characteristics martensitostareyuschey steel 03N18K9M5T by creating structures such as «nanotripleks»] //MiTOM. 2010. №11. S. 36–39.
21. Markova E.S., Pokrovskaja N.G., Shal'kevich A.B., Gromov V.I. Martensitostarejushhie stali ‒ novye perspektivnye materialy dlja valov GTD [Martensitostareyuschie steel – new promising materials for turbine engine shafts] //Aviacionnye materialy i teh-nologii. 2012. №S. S. 81–84.
22. Pokrovskaja N.G., Markova E.S., Shal'kevich A.B. Vysokoprochnye konstrukcionnye martensitostarejushhie stali v aviastroenii [High-strength structural steel in aircraft martensitostareyuschie] //Aviacionnaja promyshlennost'. 2014. №1. S. 24–28.
23. Markova E.S., Jakusheva N.A., Pokrovskaja N.G., Shal'kevich A.B. Tehnologicheskie osobennosti proizvodstva martensitostarejushhej stali VKS-180 [Technological features of steel production martensitostareyuschey VKS-180] //Trudy VIAM. 2013. №7. St. 01 (viam-works.ru).

dx.doi.org/ 10.18577/2307-6046-2015-0-2-5-5

УДК 629.7.023.224

Smirnov A.A., Budinovskiy S.A., Matveev P.V.

INVESTIGATION OF AN IMPACT OF A NEGATIVE ELECTRIC POTENTIAL OF THE SUBSTRATE ON DEPOSITION RATE OF MULTICOMPONENT NICKEL COATINGS ON THE SURFACE OF CAST HEAT -RESISTANT NICKEL ALLOYS

An impact of a negative electrical potential (voltage) of the substrate on deposition rate of multicomponent Ni-based coatings produced by the cathodic arc physical vacuum deposition from the surface of cathodes made of nickel-based alloys with additives of chromium, aluminum, tantalum, rhenium, yttrium, hafnium on the surface of specimens of various cast heat-resistant nickel alloys was investigated. It was shown that the maximum etching rate could be achieved in case of applying of 350 V potential to a substrate. The threshold values of spray voltage for all compositions of heat-resistant materials tested in this study were determined. An influence of the chemical composition of the plasma formed in vacuum from the cathode surface on the sputtering threshold was stated depending on the content of chromium and high-melting point elements in the cathode.

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dx.doi.org/ 10.18577/2307-6046-2015-0-2-6-6

УДК 535.24

Goundobin N.V., Titov V.I., Pilipenko L.V.

STUDY OF POSSIBILITY OF DETERMINATION OF HIGH COBALT CONTENT IN TITANIUM-BASED ALLOYS BY PHOTOMETRIC METHOD

A possibility of photometric determination of cobalt content in titanium-based alloys within the concentration range of 6–12% mass. was studied. Ethylene diamine (EDA) was used as reactant. The studies were focused on factors of stability in time and selectivity of the reaction of Co with EDA and its influence on light absorption of EDA in combination with some elements contained in the alloys, which form colored EDA (Ni, Cu, Cr) or colorless (Zn, Mo, V, Sn) soluble complexes. It was established that the color of a complex with EDA was stable within several hours. Reaction sensitivity is 0.1 microgram of Co in 1 milliliter of solution. The light absorption of cobalt has its maximum at λ=360 nm. In order to prevent precipitation of titanium, potassium pyrophosphate was applied, since it forms with titanium soluble complexes, which do not affect changes in optical density of Co+EDA complex. This work resulted in the development of a technique for a direct photometric determination of hig

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dx.doi.org/ 10.18577/2307-6046-2015-0-2-7-7

УДК 678.747.2:678.029.664

Voinov S.I., Zhelezina G.F., Solovjova N.A., Yamshchikova G.A., Timoshina L.N.

ENVIRONMENTAL EFFECTS ON PROPERTIES OF CFRP MANUFACTURED BY RTM METHOD

An influence of climatic factors and working fluids on properties of CFRP VKU-35 manufactured by RTM technology was studied. It was shown that CFRP VKU-35 has a high stability of properties under an influence of environmental factors (at least 75% of the initial value) and in this respect is not worse than the typical structural CFRP KMU-11tr manufactured by autoclave molding.

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Reference list

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13. Muhametov R.R., Ahmadieva K.R., Chursova L.V., Kogan D.I. Novye polimernye svjazujushhie dlja perspektivnyh metodov izgotovlenija konstrukcionnyh voloknistyh PKM [New polymeric binders for advanced manufacturing methods of structural fiber PKM] //Aviacionnye materialy i tehnologii. 2011. №2. S. 38–42.
14. Babin A.N. Svjazujushhie dlja polimernyh kompozicionnyh materialov novogo pokolenija [Binders for polymeric composite materials of new generation] //Trudy VIAM. 2013. №4 (viam-works.ru).
15. Efimov V.A., Shvedkova A.K., Koren'kova T.G., Kirillov V.N. Issledovanie polimernyh konstrukcionnyh materialov pri vozdejstvii klimaticheskih faktorov i nagruzok v laboratornyh i naturnyh uslovijah [The study of polymeric structural materials under the influence of climatic factors and stress in laboratory and field conditions] //Aviacionnye materialy i tehnologii. 2013. №S2. S. 68–73.
16. Kablov E.N., Starcev O.V., Krotov A.S., Kirillov V.N. Klimaticheskoe starenie kompozicionnyh materialov aviacionnogo naznachenija. III. Znachimye faktory starenija [Climatic aging of composite materials aviation applications. III. Significant factors of aging] //Deformacija i razrushenie materialov. 2011. №1. S. 34–40.
17. Kablov E.N., Starcev O.V., Krotov A.S., Kirillov V.N. Klimaticheskoe starenie kompozicionnyh materialov aviacionnogo naznachenija. I. Mehanizmy starenija [Climatic aging of composite materials aviation applications. I. Mechanisms of aging] //Deformacija i razrushenie materialov. 2010. №11. S. 19–27.
18. Kirillov V.N., Starcev O.V., Efimov V.A. Klimaticheskaja stojkost' i povrezhdaemost' polimernyh kompozicionnyh materialov, problemy i puti reshenija [Weather resistance and defectiveness of polymer composite materials, problems and solutions] //Aviacionnye materialy i tehnologii. 2012. №S. S. 412–423.
19. Kirillov V.N., Efimov V.A., Shvedkova A.K., Nikolaev E.V. Issledovanie vlijanija klimaticheskih faktorov i mehanicheskogo nagruzhenija na strukturu i mehanicheskie svojstva PKM [Investigation of the influence of climatic factors and mechanical loading on the structure and mechanical properties of the PKM] //Aviacionnye materialy i tehnologii. 2011. №4. S. 41-45.

dx.doi.org/ 10.18577/2307-6046-2015-0-2-8-8

УДК 678.84

Davydova I.F., Kavun N.S.

POLYIMIDE FIBERGLASS PLASTIC WITH LOWER CURING TEMPERATURE

The research was focused on modification of the polyimide binding material SP-97s. The character of transformations in the binder, which contents modifying additives of different types, was studied on the stage of material forming. The optimum amount of modifiers was determined and effectiveness of each of them with the purpose to decrease curing temperature of binder down to 170°C was estimated taking into account the properties of fiberglass plastics. The composition of modifying binder was established, polyimide fiberglass plastic STP-97K was developed and its properties were studied. It was demonstrated that lowering of the curing temperature does not cause a significant change of properties of the material in different operational conditions.

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Reference list

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14. Poliimidnoe svjazujushhee dlja armirovannyh plastikov, prepreg na ego osnove i izdelie, vypolnennoe iz nego [Polyimide binder for reinforced plastics, the prepreg and it is based on a product made of it]: pat. №2394857 Ros. Federacija; opubl. 07.05.2009.
15. Mihajlin Ju.A. Konstrukcionnye polimernye kompozicionnye materialy [Structural polymer composite materials]. M.: Izd-vo «NOT». 2008. 615 s.
16. Davydova I.F., Kavun N.S. Issledovanie stojkosti poliimidnogo steklotekstolita STP-97K k agressivnym sredam [Investigation of resistance polyimide fiberglass STP-97K to aggressive environments] //Vse materialy. Jenciklopedicheskij spravochnik. 2011. №9. S. 42–44.
17. Davydova I.F., Kavun N.S. Ognestojkie stekloplastiki v konstrukcijah motogondol dvigatelej samoletov [Fire-resistant fiberglass structures aircraft engine nacelles] //Vse materialy. Jenciklopedicheskij spravochnik. 2011. №7. S. 16–20.
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dx.doi.org/ 10.18577/2307-6046-2015-0-2-9-9

УДК 677.1:678.8

Donetskiy K.I., Khrulkov A.V.

APPLICATION OF NATURAL FIBERS FOR MANUFACTURING OF POLYMER COMPOSITE MATERIALS

Currently, the use of natural fibers in production of up-to-date polymer composite materials (PCM) becomes much more important. Replacement of conventional glass and carbon fillers with natural ones reduces both production cost and the effect of polymer composite materials production on the environment. Furthermore, application of natural fibers for manufacturing of polymer composite materials boosts development of agricultural industries traditional for Russia.

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Reference list

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10.

dx.doi.org/ 10.18577/2307-6046-2015-0-2-10-10

УДК 678.027.96

Dushin M.I., Khrulkov A.V., Karavaev R.Y.

PARAMETERS THAT INFLUENCE THE FORMATION OF POROSITY IN THE PRODUCTS MADE OF POLYMER COMPOSITE MATERIALS (PCM) PRODUCED BY OUT-OF-AUTOCLAVE METHODS

Causes of porosity formation in the products made of polymer composite materials prepared by the autoclave and out-of-autoclave methods are discussed in the paper and recommendations for porosity reduction are given.

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46. Sposob izgotovlenija voloknistyh kompozitov vakuumnoj infuziej i ustrojstvo dlja osushhestvlenija sposoba [A method of manufacturing fiber composites vacuum infusion and apparatus for wasp-out the process]: pat. 2480335 Ros. Federacija; opubl. 2006.

11.

dx.doi.org/ 10.18577/2307-6046-2015-0-2-11-11

УДК 66.045.3

Zimichev A.M., Varrik N.M.

ON THE ISSUE OF APPLICATION OF DISCRETE FIBERS OF REFRACTORY OXIDES TO FORM CORES OF HEAT-RESISTANT SEALING CORDS

Possibility of production of continuous cords from short oxide fibers by direct formation of aqueous pulp was investigated. The laboratory unit for production of cords equipped with forming assembly, heat chamber and winding assembly was designed and installed. The experiment showed the possibility in principle to produce cords from short oxide fibers.

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Reference list

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21. Sposob poluchenija kombinirovannoj niti na osnove korotkih volokon i ustrojstvo dlja ego osushhestvlenija [A method for producing a combination yarn based short fibers and an apparatus for its implementation]: pat. 2419692 Ros. Federacija; opubl. 27.05.2011 Bjul. №15.
22. Papilin N.M., Kapitanov A.F., Volkov V.A., Gladyshev A.Ju., Babashov V.G., Varrik N.M. Obosnovanie receptury voloknistoj suspenzii [Justification formulation of the fiber suspension] //Himicheskie volokna. 2009. №5. S. 31–33.

12.

dx.doi.org/ 10.18577/2307-6046-2015-0-2-12-12

УДК 678.8

Kachalina A.L., Melnikov D.A., Kurnosov A.O., Sokolov I.I.

STRESS RELAXATION AS A METHOD FOR ESTIMATION OF THE NETWORK STRUCTURE PARAMETERS OF CROSS-LINKED POLYETHYLENE

A methodology has been developed to define parameters of the topological structure of the polymer network in cross-linked polyethylene by the stress relaxation method. The obtained experimental data were used to calculate parameters of the polymer network of cross-linked polyethylene. Parameters of the topological structure of peroxide cross-linked polyethylene obtained by stress relaxation and equilibrium swelling methods were compared.

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Reference list

1. Kablov E.N. Aviakosmicheskoe materialovedenie [Aerospace materials] //Vse materialy. Jenciklopedicheskij spravochnik. 2008. №3. S. 2–14.
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3. Kablov E.N. Materialy i himicheskie tehnologii dlja aviacionnoj tehniki [Materials and chemical technologies, aircraft] //Vestnik Rossijskoj akademii nauk. 2012. T. 82. №6. S. 520–530.
4. Kablov E.N. Strategicheskie napravlenija razvitija materialov i tehnologij ih pererabotki na period do 2030 goda [Strategic directions of development of materials and technologies to process them for the period up to 2030] //Aviacionnye materialy i tehnologii. 2012. №S. S. 7–17.
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11. Medvedev V.P., Solov'eva Ju.V. Opredelenie parametrov, harakterizujushhih vulkanizacionnuju setku i stepen' sshivanija metodom ravnovesnogo nabuhanija [Determination of the parameters characterizing the vulcanization grid and the degree of crosslinking method of equilibrium swelling]. Volgograd: VGTU. 2009. 12 s.
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