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High-Temperature Compressive Response of SiCp/6092Al Composites under a Wide Range of Strain Rates
Suo, Yongyong1; Li, Jintao2; Deng, Zhilun2; Wang, Bo2,3; Wang, Quanzhao4; Ni, Dingrui4; Jia, Purong1; Suo, Tao2,3
Corresponding AuthorWang, Bo() ; Wang, Quanzhao()
2021-11-01
Source PublicationMATERIALS
Volume14Issue:21Pages:15
AbstractThe high-temperature dynamic compressive properties of a 30 vol.% SiCp/6092Al composite, fabricated using powder metallurgy, were experimentally investigated using the split Hopkinson pressure bar system with an electric furnace. Three different ambient temperatures, namely, room temperature, 200 & DEG;C, and 350 & DEG;C, were adopted, and the dynamic tests of the composite specimens were conducted at strain rates ranging from 1500 to 4500 s(-1). The experimental results showed that the flow stress of the composite was generally insensitive to strain rates at room temperature. However, the composite started exhibiting different strain-rate-dependent behaviors as the temperature increased, and the flow stress nonlinearly varied with increasing temperature. In addition, the microscopic images of the specimens showed that the microscopic failure mechanisms of the composite were greatly influenced by the ambient temperature and strain rate. Specifically, the percentage of failed particles decreased with rising temperature and the dominating failure mode of particles changed significantly as the strain rate increased.
Keywordmetal matrix composites dynamic compressive properties high temperature strain-rate-dependent behavior particle failure mode
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China
DOI10.3390/ma14216244
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFB1103504] ; National Natural Science Foundation of China[51475372]
WOS Research AreaChemistry ; Materials Science ; Metallurgy & Metallurgical Engineering ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000719002400001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/167481
Collection中国科学院金属研究所
Corresponding AuthorWang, Bo; Wang, Quanzhao
Affiliation1.Northwestern Polytech Univ, Sch Mech Civil Engn & Architecture, Xian 710129, Peoples R China
2.Northwestern Polytech Univ, Sch Aeronaut, Xian 710072, Peoples R China
3.Northwestern Polytech Univ, Shaanxi Key Lab Impact Dynam & Engn Applicat IDEA, Xian 710072, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Suo, Yongyong,Li, Jintao,Deng, Zhilun,et al. High-Temperature Compressive Response of SiCp/6092Al Composites under a Wide Range of Strain Rates[J]. MATERIALS,2021,14(21):15.
APA Suo, Yongyong.,Li, Jintao.,Deng, Zhilun.,Wang, Bo.,Wang, Quanzhao.,...&Suo, Tao.(2021).High-Temperature Compressive Response of SiCp/6092Al Composites under a Wide Range of Strain Rates.MATERIALS,14(21),15.
MLA Suo, Yongyong,et al."High-Temperature Compressive Response of SiCp/6092Al Composites under a Wide Range of Strain Rates".MATERIALS 14.21(2021):15.
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