Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model

doi:10.1016/j.nme.2020.100768

	Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model
	Qian, Xinyuan 2,3; Peng, Xuebing 4; Song, Yuntao 4; Huang, Jianjun 2; Wei, Yanpeng 1; Liu, Peng 4; Mao, Xin 4; Zhang, Jianwu 5; Wang, Liang 4
刊名	NUCLEAR MATERIALS AND ENERGY
	2020-08-01
卷号	24
关键词	CuCrZr alloy Johnson-Cook model Dynamic compressive behavior Plasma facing components
DOI	10.1016/j.nme.2020.100768
通讯作者	Song, Yuntao(songyt@ipp.ac.cn)
英文摘要	CuCrZr alloy has been acknowledged as one of the most promising candidate materials for the heat sink of plasma facing components in nuclear fusion devices with its excellent thermal conductivity and specific mechanical strength. For the safety concern, it is vital to provide appropriate safety assessment on these mechanical structures with CuCrZr alloy, such as divertor and blanket, under high strain rate loading conditions like displacement events, disruption, and so on. In this work, the dynamic compressive behavior of the CuCrZr alloy over wide range of strain rates and temperatures was investigated using the split Hopkinson pressure bar technique. Based on the experiment results, a constitutive equation is built by using Johnson-Cook model to describe the dynamical property of CuCrZr alloy. However, the results indicated that the influences of the strain, strain rate and temperature on the dynamic behavior are not independent. Therefore, a modified Johnson-Cook model was further developed to take the coupled effects of strain, strain rate and temperature into account. Compared with the original Johnson-Cook model, the modified Johnson-Cook model calculated results show good agreement with the experimental data.
资助项目	National Natural Science Foundation of China[11705234] ; International Partnership Program of Chinese Academy of Sciences[Y16YZ17271] ; Shenzhen Clean Energy Research Institute
WOS关键词	PROGRESS ; METALS
WOS研究方向	Nuclear Science & Technology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000572930600004
资助机构	National Natural Science Foundation of China ; International Partnership Program of Chinese Academy of Sciences ; Shenzhen Clean Energy Research Institute
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/104145]
专题	中国科学院合肥物质科学研究院
通讯作者	Song, Yuntao
作者单位	1.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China 2.Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China 3.Shenzhen Univ, Adv Energy Res Ctr, Shenzhen 518060, Peoples R China 4.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 5.Univ Sci & Technol China, Sch Phys Sci, Dept Engn & Appl Phys, Hefei 230026, Peoples R China
推荐引用方式 GB/T 7714	Qian, Xinyuan,Peng, Xuebing,Song, Yuntao,et al. Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model[J]. NUCLEAR MATERIALS AND ENERGY,2020,24.
APA	Qian, Xinyuan.,Peng, Xuebing.,Song, Yuntao.,Huang, Jianjun.,Wei, Yanpeng.,...&Wang, Liang.(2020).Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model.NUCLEAR MATERIALS AND ENERGY,24.
MLA	Qian, Xinyuan,et al."Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model".NUCLEAR MATERIALS AND ENERGY 24(2020).