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Achieving equal strength joint to parent metal in a friction stir welded ultra-high strength quenching and partitioning steel
Wang, Z. W.; Zhang, H.; An, X. H.; Wu, L. H.; Xue, P.; Zhang, Q. C.; Ni, D. R.; Xiao, B. L.; Ma, Z. Y.
2020-08-19
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume793
AbstractThe weldability of an advanced ultra-high strength quenching and partitioning (Q&P) steel with gigapascale yield strength was investigated via friction stir welding technique. The equal strength to parent metal was for the first time achieved in the friction stir welded joint although microhardness loss in heat affected zone (HAZ) occurred. The increased volume fraction of ferrite and dissolution of martensite and retained austenite were found in the softened HAZ. Nevertheless, the strength of the welded joint was unchanged due to the enhanced strain hardening ability achieved by the formation of ultra-fine dual phase structures and nano-carbide particles in the HAZ.
DOI10.1016/j.msea.2020.139979
WOS IDWOS:000578957200065
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82609
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, Z. W.,Zhang, H.,An, X. H.,et al. Achieving equal strength joint to parent metal in a friction stir welded ultra-high strength quenching and partitioning steel[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2020,793.
APA Wang, Z. W..,Zhang, H..,An, X. H..,Wu, L. H..,Xue, P..,...&Ma, Z. Y..(2020).Achieving equal strength joint to parent metal in a friction stir welded ultra-high strength quenching and partitioning steel.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,793.
MLA Wang, Z. W.,et al."Achieving equal strength joint to parent metal in a friction stir welded ultra-high strength quenching and partitioning steel".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 793(2020).
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