INFLUENCE OF COMBINED CHEMICAL-THERMAL TREATMENT MODES ON STRUCTURE FORMATION OF HIGH-SPEED STEEL

被引：0
|
作者：
Mukhammadjonovich B.J. [1 ]
Kizi P.M.M. [2 ]
Ugli E.M.S. [1 ]
机构：
[1] Mechanical Engineering Technologies Department, Belarusian-Uzbek Intersectoral Institute of Applied Technical Qualifications, Tashkent
[2] Kimyo International University, Tashkent
来源：
Int. J. Mech. Appl. Mech. | / 14卷 / 95-100期
关键词：
Hardening; High-speed steel; Microhardness; Nitro-carburization; Retained austenite; Tempering;
D O I：
10.17683/ijomam/issue14.12
中图分类号：
学科分类号：
摘要：
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. © 2023, Cefin Publishing House. All rights reserved.
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页码：95 / 100
页数：5
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