Preliminary communication

Heat treatment effect on the properties of vibration treated steel during crystalization

Ye. P. Shcherbakova ; Karaganda State Technical University, Karaganda, Kazakhstan
Sv. S. Kvon ; Karaganda State Technical University, Karaganda, Kazakhstan
D. A. Issagulova ; Karaganda State Technical University, Karaganda, Kazakhstan
S. K. Arinova ; Karaganda State Technical University, Karaganda, Kazakhstan

Abstract

The effect of heat treatment on the structure and properties of 30HGSNMA steel that has been subjected to vibration treatment at the stage of primary crystallization is considered in the work. It is proposed to use normalization with accelerated cooling with a water-air mixture among possible treatment methods. The properties of steel after this heat treatment are investigated. It has been found that there is a significant increasing of hardness, tensile strength and impact strength, and the level of these properties is comparable with the level of properties after hardening and tempering. The introduction of one-stage heat treatment that consists in normalization with accelerated cooling, allows reducing the heat treatment cycle and increasing the equipment productivity.

Keywords

30HGSNMA steel; heat treatment; vibration; structure; properties

Hrčak ID:

241168

URI

https://hrcak.srce.hr/241168

Publication date:

1.10.2020.

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