ntvНаучно-технический вестник информационных технологий, механики и оптикиScientific and Technical Journal of Information Technologies, Mechanics and Optics2226-14942500-0373Университет ИТМО10.17586/2226-1494-2023-23-1-68-78ntv-331Research ArticleНОВЫЕ МАТЕРИАЛЫ И НАНОТЕХНОЛОГИИMATERIAL SCIENCE AND NANOTECHNOLOGIESИсследование ударных свойств и износостойкости гибридных композитов Al6061 (SiC + Al2O3) и Al7075 (SiC + Al2O3)Investigation on impact and wear behavior of Al6061 (SiC + Al2O3) and Al7075 (SiC + Al2O3) hybrid compositeshttps://orcid.org/0000-0001-7574-634XРавичандаранР.RavichandaranR.

Равичандаран Ратинавелу - PhD, профессор

Тируваннамалай, 606603

Rathinavelu Ravichandaran - PhD, Professor

Tiruvannamalai, 606603

easternravi@gmail.comhttps://orcid.org/0000-0001-5509-3222СельварасуС.SelvarasuS.

Сельварасу Саминатан - PhD, доцент

Тируваннамалай, 606603

Saminathan Selvarasu - PhD, Assistant Professor

Tiruvannamalai, 606603

selvarasu2007@gmail.comhttps://orcid.org/0000-0001-7685-211XГопалС.GopalS.

Гопал Сентилкумар - PhD, профессор

Арни, Тэтчур, 632326

Senthilkumar Gopal - PhD, Professor

Thatchur, 632326

gskannauniversity@gmail.comhttps://orcid.org/0000-0002-4798-3820РамачандранР.RamachandranR.

РамачандранРависанкар - PhD, доцент

Тируваннамалай, 606603

Ravisankar Ramachandran - PhD, Assistant Professor

Tiruvannamalai, 606603

ravisankarphysics@gmail.comИнженерный колледж АрунаиИндияArunai Engineering CollegeIndiaИнженерный университетский колледжРоссияUniversity College of Engineering ArniRussian FederationГосударственный колледж искусств Калайньяра КарунанидхиИндияKalaignar Karunanidhi Government Arts CollegeIndia2023181220242316878Copyright © Равичандаран Р., Сельварасу С., Гопал С., Рамачандран Р., 20242024Равичандаран Р., Сельварасу С., Гопал С., Рамачандран Р.Ravichandaran R., Selvarasu S., Gopal S., Ramachandran R.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://ntv.elpub.ru/jour/article/view/331

ИсслеИсследованы характеристики сухого скольжения и ударной вязкости двух алюминиевых сплавов, армированных керамическими частицами карбида кремния (SiC) и оксида алюминия (Al2O3) размером 100 нм. Сплавы применены для улучшения механических свойств и повышения сопротивления износу, разрыву и сдвигу конечного сплава с характеристиками смешиваемых материалов. Для изготовления композитов использован метод литья с перемешиванием. Матрица композитов представляет собой сплавы Al6061 и Al7075 с использованием трех способов армирования. Физические и механические свойства композитных матриц проверены в соответствии со стандартами Американского общества по материалам и их испытаниям. Приведено сравнение гибридных композитов, изготовленных из Al6061 и Al7075. Сравнение полученных образцов показало, что сплав Al7075 (12 % SiC + 6 % Al2O3) обладает исключительными трибологическими и механическими характеристиками. Изученный сплав может найти применение в автомобильной промышленности, например, в производстве поршней, шатунов, благодаря минимальной степени износа и варьируемому коэффициенту теплового расширения.

The current study focuses on the properties of dry sliding characteristics and impact strength of two different aluminum alloys that were reinforced with 100 nm sized Silicon carbide (SiC) and Aluminum oxide (Al2O3) ceramic particles, for improving the mechanical properties of the final alloy with the mixing materials characteristics. Stir casting method is adopted for fabricating the composites, matrix being Al6061 and Al7075, utilizing three distinct reinforcement ratios. In order to improve the mechanical properties and increase resistance to wear, tear, and shear, SiC and Al2O3 are utilized as reinforcing elements. Following the creation of the composite matrices, their physical and mechanical behaviors are examined in accordance with ASTM standards, and a comparison between the hybrid composites made of Al6061 and Al7075 is then completed. Comparison of the obtained samples showed that the Al7075 (12 % SiC + 6 % Al2O3) alloy exhibits characteristics with exceptional tribological and mechanical characteristics. The studied alloy can be used in the automotive industry, for example, in the production of pistons, connecting rods, due to the minimum degree of wear and variable thermal expansion coefficient.

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The authors declare that there are no conflicts of interest present.