Phase transition and defect relaxation behavior in a medium manganese steel

doi:10.1016/j.jallcom.2022.164003

	Phase transition and defect relaxation behavior in a medium manganese steel
	Liu, Xueqing 1,2; Sun, Meng 1; Liang, Juhua 1; Hao, Ting 3; Jiang, Weibin 1; Wang, Yunlong 4; Wang, Xianping 1; Fang, Qianfeng 1
刊名	JOURNAL OF ALLOYS AND COMPOUNDS
	2022-05-25
卷号	904
关键词	Medium manganese steel Internal friction Phase transition Relaxation behavior Mechanical property
ISSN号	0925-8388
DOI	10.1016/j.jallcom.2022.164003
通讯作者	Sun, Meng(mengsun@issp.ac.cn) ; Fang, Qianfeng(qffang@issp.ac.cn)
英文摘要	Phase transition and defect relaxation behavior of a Fe-7Mn-0.1C medium manganese steel have been systematically studied mainly by using internal friction (IF) technique. From temperature-dependent IF curves in both heating and cooling processes, two relaxation IF peaks (the P-1 located at similar to 200 degrees C on heating and the P-2 at similar to 550 degrees C on cooling) and two phase transition IF peaks (the P-tr1 located at similar to 670 degrees C on heating and the P-tr2 at similar to 300 degrees C on cooling) were observed. The P-1 peak disappears when the cementite (theta) particles and/or retained austenite (gamma(R)) exist in the microstructure, and is associated with the Snoek-Ke-Koster re-laxation (SKK relaxation). The P-2 peak is suggested to be originated from grain boundary relaxation in austenite (gamma). The formation mechanisms of the P-tr1 and the P-tr2 come from reverse austenitic transfor-mation (RAT) and martensitic transformation (MT), respectively. In addition, the apparent asymmetry of the P-tr1, the variation of peak height, the difference between the P-tr1 and P-tr2 peaks, and the effect of IF studies on the mechanical properties are discussed in detail in the present work. These results provide a valuable reference for the design of high-performance medium Mn steels. (C) 2022 Elsevier B.V. All rights reserved.
资助项目	National Natural Science Foundation of China[52101159] ; National Natural Science Foundation of China[U1967211] ; National Natural Science Foundation of China[52001304] ; National Natural Science Foundation of China[51971212] ; National Natural Science Foundation of China[51971213] ; National Natural Science Foundation of China[52173303] ; Anhui Provincial Natural Science Foundation[2108085QE184] ; Anhui Provincial Key RD Program[202104a05020027]
WOS关键词	HIGH-PURITY ALUMINUM ; INTERNAL-FRICTION ; MECHANICAL-PROPERTIES ; DISSIPATION FUNCTION ; MEDIUM-TEMPERATURE ; TRANSFORMATION
WOS研究方向	Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	ELSEVIER SCIENCE SA
WOS记录号	WOS:000779681900005
资助机构	National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation ; Anhui Provincial Key RD Program
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/131460]
专题	中国科学院合肥物质科学研究院
通讯作者	Sun, Meng; Fang, Qianfeng
作者单位	1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, HFIPS, Hefei 230031, Peoples R China 2.Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Peoples R China 3.Suzhou Univ Sci & Technol, Sch Mech Engn, Suzhou 215009, Jiangsu, Peoples R China 4.Univ Sci & Technol Beijing, Inst Engn Technol, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Liu, Xueqing,Sun, Meng,Liang, Juhua,et al. Phase transition and defect relaxation behavior in a medium manganese steel[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2022,904.
APA	Liu, Xueqing.,Sun, Meng.,Liang, Juhua.,Hao, Ting.,Jiang, Weibin.,...&Fang, Qianfeng.(2022).Phase transition and defect relaxation behavior in a medium manganese steel.JOURNAL OF ALLOYS AND COMPOUNDS,904.
MLA	Liu, Xueqing,et al."Phase transition and defect relaxation behavior in a medium manganese steel".JOURNAL OF ALLOYS AND COMPOUNDS 904(2022).