Growth mechanism of alpha(p) and interface relationships between alpha(p) and alpha(s) during cooling of alpha near a titanium alloy

doi:10.1016/j.matdes.2022.111191

IMR OpenIR

	Growth mechanism of alpha(p) and interface relationships between alpha(p) and alpha(s) during cooling of alpha near a titanium alloy
	Jia, Runchen 1,3,4; Zeng, Weidong 1,3,4; Zhao, Zibo 1,2; Wang, Simin 1,3,4; Xu, Jianwei 1,3,4; Wang, Qingjiang 2
通讯作者	Zeng, Weidong(zengwd@nwpu.edu.cn) ; Zhao, Zibo()
	2022-11-01
发表期刊	MATERIALS & DESIGN
ISSN	0264-1275
卷号	223 页码:13
摘要	This paper focused on the interface relationships between primary alpha (alpha(p)) and the precipitation secondary alpha (alpha(s)) phase at different cooling rates from 965 degrees C. The rapid cooling rate favors the precipitation of the secondary alpha(s). And the low cooling rate is conducive to the epitaxial growth of the primary alpha(p). One key finding is that once the grain boundary (alpha(GB)) nucleated on the alpha(p) could grow forward without maintaining the Burgers orientation relationship (BOR) with adjacent beta grains. What's more, HADDF and Fourier-filtered HRTEM images elucidated that two adjacent alpha(p) particles share a common plane but not the same atomic arrangement direction in crystal spatial. Three precipitation types of the alpha(s) were discussed through EBSD and 3D spatial crystalline orientation. Specifically, the as shares common {1 1 2 0} plane with the alpha(p) grains respectively in Type-I and Type-II, but displaying different c axis angle (60 degrees in Type-I and 80 degrees in Type-II). For the Type-III, the secondary as shares common {1 0 1 0} plane with the primary alpha(p), and the angle of c axis between them is 60 degrees. Moreover, the primary alpha(p) do not maintain the BOR with the pre-existing beta, except for Type-I. (C) 2022 The Author(s). Published by Elsevier Ltd.
关键词	Cooling rate Epitaxial growth Primary alpha(p) Duplex microstructure Secondary alpha(s)
资助者	National Science and Technology Major Project ; National Natural Science Foundation of China
DOI	10.1016/j.matdes.2022.111191
收录类别	SCI
语种	英语
资助项目	National Science and Technology Major Project ; National Natural Science Foundation of China ; [J2019 -VI -0005-0119] ; [51905436]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:000863245400008
出版者	ELSEVIER SCI LTD
引用统计	被引频次：10[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/176191
专题	中国科学院金属研究所
通讯作者	Zeng, Weidong; Zhao, Zibo
作者单位	1.Northwestern Polytech Univ, Sch Mat Sci & Engn, State Key Lab Solidificat Proc, Xian 710072, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Northwestern Polytech Univ, Sch Mat Sci & Engn, Def Technol Innovat Ctr Precis Forging & Ring Roll, Xian 710072, Peoples R China 4.Northwestern Polytech Univ, Shaanxi Key Lab High Performance Precis Forming Te, Xian 710072, Peoples R China
推荐引用方式 GB/T 7714	Jia, Runchen,Zeng, Weidong,Zhao, Zibo,et al. Growth mechanism of alpha(p) and interface relationships between alpha(p) and alpha(s) during cooling of alpha near a titanium alloy[J]. MATERIALS & DESIGN,2022,223:13.
APA	Jia, Runchen,Zeng, Weidong,Zhao, Zibo,Wang, Simin,Xu, Jianwei,&Wang, Qingjiang.(2022).Growth mechanism of alpha(p) and interface relationships between alpha(p) and alpha(s) during cooling of alpha near a titanium alloy.MATERIALS & DESIGN,223,13.
MLA	Jia, Runchen,et al."Growth mechanism of alpha(p) and interface relationships between alpha(p) and alpha(s) during cooling of alpha near a titanium alloy".MATERIALS & DESIGN 223(2022):13.