Effect of Thermal Cycling on Microstructure and Mechanical Properties of Cf/SiC-Al Composites
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作者:
Liao, Jiahao
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Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R China
Suzhou Superlong Aviat Heat Resistance Mat Technol, Suzhou 215400, Peoples R ChinaNanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R China
Liao, Jiahao
[1
,2
]
Yang, Lixia
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Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R ChinaNanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R China
Yang, Lixia
[1
]
Chen, Zhaofeng
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Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R ChinaNanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R China
Chen, Zhaofeng
[1
]
Guan, Tianru
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Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R ChinaNanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R China
Guan, Tianru
[1
]
Liu, Tianlong
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Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R ChinaNanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R China
Liu, Tianlong
[1
]
机构:
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Int Lab Insulat & Energy Efficiency Mat, Nanjing 211106, Peoples R China
[2] Suzhou Superlong Aviat Heat Resistance Mat Technol, Suzhou 215400, Peoples R China
Thermal cycling inevitably affects the microstructure and mechanical properties of composites due to the differences in thermal expansion coefficients (CTEs) of each component. Herein, the evolution of the microstructure and in-plane compressive properties of C-f/SiC-Al composites after different thermal cycles at different temperature differences are investigated. Moreover, the magnitude and state of residual thermal stress in each component of the composites after thermal cycling are further analyzed by X-ray diffraction and nanoindentation methods. The results show that with the increase of the temperature difference and the number of thermal cycles, the residual stress in each component gradually accumulates, accompanied by interface debonding and microcracks in the fiber/matrix interface area, which can release part of the residual stress. The evolution of the residual stress and the interface microstructure has a significant effect on the in-plane compressive strength of the composites. The release of residual stress and the generation of some microcracks are beneficial to the compressive strength, but too many microcracks can reduce the strength.
机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Wang, Bo
Zhang, Fan
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Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Zhang, Fan
Hao, Jianjie
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Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Hao, Jianjie
He, Ping
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Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine M, Shanghai 200050, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
He, Ping
Shi, Wei
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Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Shi, Wei
Tan, Yi
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Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Tan, Yi
Li, Jiayan
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Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Dalian Univ Technol, Sch Mat Sci & Engn, 2 Linggong Rd, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Wang, Bo
Zhang, Fan
论文数: 0引用数: 0
h-index: 0
机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Zhang, Fan
Hao, Jianjie
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机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Hao, Jianjie
He, Ping
论文数: 0引用数: 0
h-index: 0
机构:
Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine M, Shanghai 200050, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
He, Ping
Shi, Wei
论文数: 0引用数: 0
h-index: 0
机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Shi, Wei
Tan, Yi
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h-index: 0
机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Tan, Yi
Li, Jiayan
论文数: 0引用数: 0
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机构:
Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
Dalian Univ Technol, Sch Mat Sci & Engn, 2 Linggong Rd, Dalian 116024, Peoples R ChinaDalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China