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Fusion Weldabilities of Advanced High Manganese Steels: A Review

Title
Fusion Weldabilities of Advanced High Manganese Steels: A Review
Author
이창희
Keywords
High manganese steel; Advanced high strength steel; Fusion welding; Microstructure; Phase transformation
Issue Date
2020-05
Publisher
KOREAN INST METALS MATERIALS
Citation
METALS AND MATERIALS INTERNATIONAL, v. 27, no. 7, page. 2046-2058
Abstract
A large amount of manganese has been added to next-generation advanced high strength steels for automotive applications. The increased manganese content changes the microstructural and mechanical characteristics by varying both the stacking fault energy and the austenite stability, but it is known to deteriorate weldability. The current review provides a general strategy to address several problems in fusion welds of advanced high manganese steels from the viewpoint of microstructural transitions, plasticity mechanism, and mechanical properties based on the welding metallurgy. The importance of research on the weldabilities of advanced Mn steels was highlighted. Among the representative types of advanced manganese steels, this review focuses on high Mn twinning-induced plasticity steel, high Mn austenitic lightweight steel, and medium Mn transformation-induced plasticity steel. Specifically, this review suggests fundamental concepts for designing each steel with improved weld characteristics by presenting many research results on the correlations between the microstructure and mechanical properties of welds and heat-affected zones for these three different steel groups.
URI
https://link.springer.com/article/10.1007%2Fs12540-020-00706-9https://repository.hanyang.ac.kr/handle/20.500.11754/166667
ISSN
1598-9623; 2005-4149
DOI
10.1007/s12540-020-00706-9
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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