A new mechanism of grain selection in spiral selector: The competitive growth between the entrance grains

doi:10.1016/j.mtcomm.2022.104840

IMR OpenIR

	A new mechanism of grain selection in spiral selector: The competitive growth between the entrance grains
	Zhang, X. L.1; Liu, Z. H.1; Liu, G. Q.1; Zhou, Y. Z.2; Meng, X. B.3
通讯作者	Liu, G. Q.(gqliu10b@alum.imr.ac.cn)
	2022-12-01
发表期刊	MATERIALS TODAY COMMUNICATIONS
卷号	33 页码:7
摘要	The grain selection in spiral selector is investigated systematically by experiments and simulations. To simplify the grain selection in spiral selector, a novel 2-D zigzag selector is designed to replace the 3-D spiral selector. It is found that the grain, locating at the selector entrance and close to the initial rotation direction, is apt to grow into single crystal structure. Besides,the effect of competitive growth between the entrance grains on grain selection cannot be ignored. According to the experimental and simulated results, the grain selection in spiral selector is dominated by the grain location and the competitive growth, which is first proposed as "the competitive growth between the entrance grains" mechanism. The new mechanism is different from the generally accepted under-standing that the grain selection in spiral selector is random and dominated by "geometry blocking" mechanism.
关键词	Grain selection Spiral selector Competitive Growth Single crystal Superalloys
资助者	Key Research and Development Program of Ningxia ; Fourth Batch of Ningxia Youth talents Supporting Program
DOI	10.1016/j.mtcomm.2022.104840
收录类别	SCI
语种	英语
资助项目	Key Research and Development Program of Ningxia ; Fourth Batch of Ningxia Youth talents Supporting Program ; [2019BDE03016] ; [TJGC2019048]
WOS研究方向	Materials Science
WOS类目	Materials Science, Multidisciplinary
WOS记录号	WOS:000885961000001
出版者	ELSEVIER
引用统计	被引频次：2[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/321006/176855
专题	中国科学院金属研究所
通讯作者	Liu, G. Q.
作者单位	1.North Minzu Univ, Coll Mat Sci & Engn, Yinchuan 750021, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Qilu Univ Technol, Shandong Acad Sci, Jinan 250353, Peoples R China
推荐引用方式 GB/T 7714	Zhang, X. L.,Liu, Z. H.,Liu, G. Q.,et al. A new mechanism of grain selection in spiral selector: The competitive growth between the entrance grains[J]. MATERIALS TODAY COMMUNICATIONS,2022,33:7.
APA	Zhang, X. L.,Liu, Z. H.,Liu, G. Q.,Zhou, Y. Z.,&Meng, X. B..(2022).A new mechanism of grain selection in spiral selector: The competitive growth between the entrance grains.MATERIALS TODAY COMMUNICATIONS,33,7.
MLA	Zhang, X. L.,et al."A new mechanism of grain selection in spiral selector: The competitive growth between the entrance grains".MATERIALS TODAY COMMUNICATIONS 33(2022):7.