THE PROPERTIES OF HIGH-SPEED STEEL Р6М5, DEPENDING ON THE COMBINED CHEMICAL HEAT TREATMENT
Begatov MukhammadjonovichSobirov Bekzodbek AhmadjonovichMaterials Science department, Tashkent State Technical University, UzbekistanMakhmuda YakubovaDilnoza KuchkarovaMalika DjalilovaR DewesD AxinteY GellerH WangL HouJ ZhangL LuH CuiH NiuI ChangN HashemiA MertensH MontrieuxJ TchuindjangO DedryL ZhaoT YangJ WangJ LuanZ JiaoD ChenY YangA HuC LiuJ KaiH HalfaM EissaK FawakhryT MattaP PatoleV KulkarniP VarelaC RakurtyA BalajiSh KarimovSh MamirovShI KhabibullayevaB BektemirovN KhusanovJ UlashovA AkhmedovM GopirovU ZiyamukhamedovaL BakirovE RakhmatovE UmarovU MardonovK AbdirakhmonovA EshkulovB RakhmatovUmidjon MardonovMuhammad TuronovAndrey JeltukhinYahyojon MeliboyevU ErkinM UmidjonS Umida
ABI
Аннотация
The article provided results of chemical and thermal treatment of high-speed steel R6M5. Carbonitriding of the high-speed steel performed at 1200-1230 C and tempering at 600-620 C. The microhardness of the metal surface layer reached 11000 MP at 0.1-0.15mm depth of the surface. Studies were conducted on the effect of quenching and tempering temperatures on the parameters of the steel structure (physical width of the x-ray line, dislocation density, lattice parameters, and hardness of steel R6M5).
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