Influence of Intercritical Quenching Temperature on Microstructure, Mechanical Properties and Corrosion Resistance of Dual-Phase Steel

doi:10.1007/s11665-020-04928-1

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	Influence of Intercritical Quenching Temperature on Microstructure, Mechanical Properties and Corrosion Resistance of Dual-Phase Steel
	Hao, Xuehui; Zhao, Xingchuan; Huang, Baoxu; Chen, Hui; Ma, Jie; Wang, Changzheng; Yang, Yuansheng
刊名	JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
	2020-07-01
卷号	29 期号:7 页码:4446-4456
DOI	10.1007/s11665-020-04928-1
英文摘要	This work investigated the microstructure, mechanical properties and corrosion behavior of dual-phase (DP) steel after different intercritical quenching treatment and compared the results with commercial AH32 steel. The results indicate that the microstructure of all tested DP steels was composed of lath martensite and polygonal ferrite. As the temperature increased from 750 to 850 degrees C, the martensite lath became slender, whereas martensite volume fraction (V-m) increased from 53 to 71%. The change in the morphology and content of martensite not only led to an increase in hardness and yield strength, but also to a decrease in the plasticity and impact toughness, which was consistent with the mixture law. However, the ultimate tensile strength did not increase but declined, which was an unusual behavior. It was related to the micro-void coalescence fracture mechanism caused by the ferrite/martensite interface decohesion. Moreover, the increasing temperature led to the enhanced galvanic effect between ferrite and martensite, accelerating the corrosion rate of DP steels in a 3.5% NaCl solution. A comparison of all results in our work indicates that DP750 steel with 53% martensite had excellent comprehensive properties.
WOS记录号	WOS:000545277100001
内容类型	期刊论文
源URL	[http://ir.imr.ac.cn/handle/321006/155689]
专题	金属研究所_中国科学院金属研究所
推荐引用方式 GB/T 7714	Hao, Xuehui,Zhao, Xingchuan,Huang, Baoxu,et al. Influence of Intercritical Quenching Temperature on Microstructure, Mechanical Properties and Corrosion Resistance of Dual-Phase Steel[J]. JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,2020,29(7):4446-4456.
APA	Hao, Xuehui.,Zhao, Xingchuan.,Huang, Baoxu.,Chen, Hui.,Ma, Jie.,...&Yang, Yuansheng.(2020).Influence of Intercritical Quenching Temperature on Microstructure, Mechanical Properties and Corrosion Resistance of Dual-Phase Steel.JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,29(7),4446-4456.
MLA	Hao, Xuehui,et al."Influence of Intercritical Quenching Temperature on Microstructure, Mechanical Properties and Corrosion Resistance of Dual-Phase Steel".JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE 29.7(2020):4446-4456.