INFLUENCE OF COMBINED CHEMICAL-THERMAL TREATMENT MODES ON STRUCTURE FORMATION OF HIGH-SPEED STEEL
Begatov MukhammadjonovichMalika PlatoshinaMirkamal KiziKimyo International University in Tashkent, UzbekistanEgrashev MeirzhanSattar UgliD BerdievU MardonovS KhasanovA JeltukhinS OzodovaT SuvonovichK Urokov KamoliddinS Bektemirov BegaliB BektemirovJ UlashovA AkhmedovM GopirovM IsaenkovaY PerlovichV SkrytniyChN SokolovV YaltsevI StepankinV KenkoA BaykoSh KarimovSh MamirovShI KhabibullayevaN KhusanovJakhongir BegatovSobirov Bekzodbek AhmadjonovichMakhmuda YakubovaDilnoza KuchkarovaMalika DjalilovaM SemenovR FahrutdinovM LaschnevV GromovP DemidovA TarasovA KhaydarovS KandratovB ArzamasovF NorkhudjayevA MukhamedovK GuzashviliZ MirzarakhimovaSh ShukurovN RizaevaM TukhtashevaElen NikolaevaD VlasovF YangD ZhuM JiangH LiuS GuoQ WangH WangK ZhangA HuangJ Hou
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Аннотация
The paper presents the results of studies on the structure formation of R6M5 steel during heat treatment, which consists of hardening steel from generally accepted temperatures, and carrying out the process of low-temperature nitro-carburization combined with the tempering process.It has been established that the size of the austenite grain depends on the holding time when heating the steel for hardening, and the amount of retained austenite sharply decreases at a temperature of 550 C and a holding time of 2.5 hours.
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