A Model Describing Solidification Microstructure Evolution in an Inoculated Aluminum Alloys

doi:10.1007/s40195-020-01154-5

IMR OpenIR

	A Model Describing Solidification Microstructure Evolution in an Inoculated Aluminum Alloys
	Song, Yan 1,2; Jiang, Hongxiang 1,2; Zhang, Lili 1; Li, Shixin 1,2; Zhao, Jiuzhou 1,2; He, Jie 1,2
通讯作者	Zhao, Jiuzhou(jzzhao@imr.ac.cn)
	2020-10-31
发表期刊	ACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN	1006-7191
页码	11
摘要	A population dynamics-cellular automaton (PD-CA) model is developed to describe the microstructure formation in an inoculated Al alloys. The model involves the dynamics behaviors of the inoculated particles and the nucleation, initial spherical growth of nuclei as well as the subsequent dendritic growth. The model was validated by using the experimental results for the Al-Cu alloys inoculated by Al-Ti-C refiner first, and then used to simulate the detailed solidification process in an inoculated Al-Cu alloy. The results indicate that the TiC is not stable in Al melt. The heterogeneous nucleation process consists of two stages: a very short initial stage dominated by the cooling rate and the later stage dominated by the number of the active TiC. It stops at the very moment the recalescence occurs. The average grains size d of the aluminum alloys inoculated by the Al-Ti-C refiner can be calculated by d(mu m) = a.exp(t/cIn(C(o)w))/(v(0001).t)(1/3)w(1/3) + b.In t/Q.v(cool)(1/2) is the growth restriction factor, C-0 (%) is the initial solutes composition, w (%) is the additive amount of Al-Ti-C refiner. t (min) is the holding temperature time since the Al-Ti-C refiner is added into the melt. a and b are the constants.
关键词	Grain refinement Nucleation Dendritic growth Simulation Solidification
资助者	Chinese Academy of Sciences Strategic Priority Program on Space Science ; National Natural Science Foundation of China ; China's Manned Space Station Project ; Natural Science Foundation of Liaoning Province
DOI	10.1007/s40195-020-01154-5
收录类别	SCI
语种	英语
资助项目	Chinese Academy of Sciences Strategic Priority Program on Space Science[XDA15013800] ; National Natural Science Foundation of China[51771210] ; National Natural Science Foundation of China[51971227] ; National Natural Science Foundation of China[51901231] ; China's Manned Space Station Project[TGJZ800-2-RW024] ; Natural Science Foundation of Liaoning Province[2019-BS-253]
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000583120000001
出版者	CHINESE ACAD SCIENCES, INST METAL RESEARCH
引用统计	被引频次：6[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/321006/141190
专题	中国科学院金属研究所
通讯作者	Zhao, Jiuzhou
作者单位	1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Song, Yan,Jiang, Hongxiang,Zhang, Lili,et al. A Model Describing Solidification Microstructure Evolution in an Inoculated Aluminum Alloys[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2020:11.
APA	Song, Yan,Jiang, Hongxiang,Zhang, Lili,Li, Shixin,Zhao, Jiuzhou,&He, Jie.(2020).A Model Describing Solidification Microstructure Evolution in an Inoculated Aluminum Alloys.ACTA METALLURGICA SINICA-ENGLISH LETTERS,11.
MLA	Song, Yan,et al."A Model Describing Solidification Microstructure Evolution in an Inoculated Aluminum Alloys".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2020):11.