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Effects of gradual matrix crack closure on the constitutive behavior of SiC/SiC composites upon unloading
Zhanga, Sheng; Gao, Xiguang; Dong, Hongnian; Song, Yingdong; Pang, Shengyang; Gao, XG (reprint author), Nanjing Univ Aeronaut & Astronaut, Coll Energy & Power Engn, Jiangsu Prov Key Lab Aerosp Power Syst, Nanjing 210016, Jiangsu, Peoples R China.
2017-02-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume43Issue:2Pages:1839-1842
AbstractGradual matrix closure and its effects on the constitutive behavior of SiC/SiC composites are examined in the present study. Real-time matrix crack detection and a macroscopic loading unloading tensile test are performed on SiC/SiC minicomposites. To verify the effects of matrix crack closure, stress-strain responses under loading and unloading with and without crack closure are discussed. The experimental and numerical results show that matrix cracks close gradually upon unloading, and gradual matrix closure greatly reduces the unloading stiffness.; Gradual matrix closure and its effects on the constitutive behavior of SiC/SiC composites are examined in the present study. Real-time matrix crack detection and a macroscopic loading unloading tensile test are performed on SiC/SiC minicomposites. To verify the effects of matrix crack closure, stress-strain responses under loading and unloading with and without crack closure are discussed. The experimental and numerical results show that matrix cracks close gradually upon unloading, and gradual matrix closure greatly reduces the unloading stiffness.
description.department[zhanga, sheng ; gao, xiguang ; dong, hongnian ; song, yingdong] nanjing univ aeronaut & astronaut, coll energy & power engn, jiangsu prov key lab aerosp power syst, nanjing 210016, jiangsu, peoples r china ; [zhanga, sheng ; gao, xiguang ; dong, hongnian ; song, yingdong] minist ind & informat technol, key lab aeroengine thermal environm & struct, nanjing 210016, jiangsu, peoples r china ; [song, yingdong] nanjing univ aeronaut & astronaut, state key lab mech & control mech struct, nanjing 210016, jiangsu, peoples r china ; [pang, shengyang] chinese acad sci, inst met res, shenyang 110016, peoples r china
KeywordCeramic Matrix Composite Minicomposite Matrix Crack Closure Unloading
Subject AreaMaterials Science, Ceramics
Funding OrganizationNational Natural Science Foundation of China [51575261, 51675266]; Aeronautical Science Foundation of China [2015Z1352015]; Funding of Jiangsu Innovation Program for Graduate Education [KYLX_0300]; Fundamental Research Funds for the Central Universities; Priority Academic Program Development of Jiangsu Higher Education Institutions
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78325
Collection中国科学院金属研究所
Corresponding AuthorGao, XG (reprint author), Nanjing Univ Aeronaut & Astronaut, Coll Energy & Power Engn, Jiangsu Prov Key Lab Aerosp Power Syst, Nanjing 210016, Jiangsu, Peoples R China.
Recommended Citation
GB/T 7714
Zhanga, Sheng,Gao, Xiguang,Dong, Hongnian,et al. Effects of gradual matrix crack closure on the constitutive behavior of SiC/SiC composites upon unloading[J]. CERAMICS INTERNATIONAL,2017,43(2):1839-1842.
APA Zhanga, Sheng,Gao, Xiguang,Dong, Hongnian,Song, Yingdong,Pang, Shengyang,&Gao, XG .(2017).Effects of gradual matrix crack closure on the constitutive behavior of SiC/SiC composites upon unloading.CERAMICS INTERNATIONAL,43(2),1839-1842.
MLA Zhanga, Sheng,et al."Effects of gradual matrix crack closure on the constitutive behavior of SiC/SiC composites upon unloading".CERAMICS INTERNATIONAL 43.2(2017):1839-1842.
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