Achieving equal strength joint to parent metal in a friction stir welded ultra-high strength quenching and partitioning steel

doi:10.1016/j.msea.2020.139979

IMR OpenIR

	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 Publication	MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume	793
Abstract	The 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.
DOI	10.1016/j.msea.2020.139979
WOS ID	WOS:000578957200065
Citation statistics
Document Type	期刊论文
Identifier	http://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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