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Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model
Qian XY1,2; Peng XB3; Song YT3; Huang JJ1; Wei YP(魏延鹏)4; Liu P3; Mao Xn3; Zhang JW5; Wang L3
Corresponding AuthorSong, Yuntao(songyt@ipp.ac.cn)
Source PublicationNUCLEAR MATERIALS AND ENERGY
2020-08-01
Volume24Pages:7
AbstractCuCrZr 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.
KeywordCuCrZr alloy Johnson-Cook model Dynamic compressive behavior Plasma facing components
DOI10.1016/j.nme.2020.100768
Indexed BySCI ; EI
Language英语
WOS IDWOS:000572930600004
WOS KeywordPROGRESS ; METALS
WOS Research AreaNuclear Science & Technology
WOS SubjectNuclear Science & Technology
Funding ProjectNational Natural Science Foundation of China[11705234] ; International Partnership Program of Chinese Academy of Sciences[Y16YZ17271] ; Shenzhen Clean Energy Research Institute
Funding OrganizationNational Natural Science Foundation of China ; International Partnership Program of Chinese Academy of Sciences ; Shenzhen Clean Energy Research Institute
Classification一类
Ranking5+
ContributorSong, Yuntao
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/85253
Collection流固耦合系统力学重点实验室
Affiliation1.Shenzhen Univ, Coll Phys & Optoelect Engn, Shenzhen 518060, Peoples R China;
2.Shenzhen Univ, Adv Energy Res Ctr, Shenzhen 518060, Peoples R China;
3.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China;
4.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China;
5.Univ Sci & Technol China, Sch Phys Sci, Dept Engn & Appl Phys, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Qian XY,Peng XB,Song YT,et al. Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model[J]. NUCLEAR MATERIALS AND ENERGY,2020,24:7.
APA Qian XY.,Peng XB.,Song YT.,Huang JJ.,魏延鹏.,...&Wang L.(2020).Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model.NUCLEAR MATERIALS AND ENERGY,24,7.
MLA Qian XY,et al."Dynamic constitutive relationship of CuCrZr alloy based on Johnson-Cook model".NUCLEAR MATERIALS AND ENERGY 24(2020):7.
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