Thermal Fatigue Testing of Hot-Working Die Steel Using Laser Emission

被引：0

作者：

Gorbatyuk, S.M. ^{[1
]}

Kobelev, O.A. ^{[1
]}

Nagovitsyn, V.A. ^{[1
]}

Chichenev, N.A. ^{[1
]}

机构：

[1] National University of Science and Technology “MISiS”, Moscow

来源：

Steel in Translation | 2024年 / 54卷 / 04期

关键词：

die steels; hot stamping; surface hardening; thermal fatigue; thermal fatigue testing technique;

D O I：

10.3103/S0967091224700736

中图分类号：

学科分类号：

摘要：

Abstract: A method for assessing the thermal fatigue material resistance is proposed, which ensures testing under conditions close to real hot-stamping. To implement the proposed technique, an installation is designed and manufactured that provides heating of the sample end surfaces with regulation of the thermal cycle frequency and ratio of heating-cooling periods. The results of theoretical and experimental studies of the temperature conditions of operation of the working tool of an automatic hot-stamping press are presented. The application of the proposed evaluation method of thermal fatigue material resistance makes it possible to study the patterns of thermal fatigue destruction of the hot-stamping tool material and, on this basis, to develop and optimize laser heat treatment technology and other technological processes. © Allerton Press, Inc. 2024. ISSN 0967-0912, Steel in Translation, 2024, Vol. 54, No. 4, pp. 343–348. Allerton Press, Inc., 2024. Russian Text The Author(s), 2024, published in Stal’, 2024, No. 3, pp. 35–40.

引用

页码：343 / 348

页数：5

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