Increasing of toughness of brittle type S690 HSS weld metal by application of reversible temper embrittlement (RTE)
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- 作者：H. Cerjak ; O. Caliskanoglu ; N. Enzinger ; G. Figner ; M. Pudar
- 关键词：(IIW Thesaurus)Embrittlement ; Post weld heat treatment ; Low alloy steels
- 刊名：Welding in the World
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：61
- 期：1
- 页码：75-79
- 全文大小：
- 刊物主题：Metallic Materials; Continuum Mechanics and Mechanics of Materials; Theoretical and Applied Mechanics;
- 出版者：Springer Berlin Heidelberg
- ISSN：1878-6669
- 卷排序：61
文摘
Weld deposits from advanced high-strength steel constructions may suffer from severe embrittlement reactions caused by non-qualified PWHT procedures. This effect, if not detected, can lead to catastrophic brittle failure of the component. A temper embrittlement reaction in the weld deposit was detected as root cause of this effect. By qualified application of reversible temper embrittlement (RTE) treatment, characterized by a short-time heat treatment at about 600 °C, the toughness of the embrittled weld material can be significantly recovered. Basic investigations were performed to explain the embrittlement as well as the de–embrittlement effect. Examples of successful RTE application on embrittled welds are given.