Impact of Cryogenic Cycling on the Macro and Microscopic Residual Stress in SiC/Al Composites
文献类型：期刊论文
| 作者 | Gu Liming1,2; Feng Xiaoming1,2; Yu Zhao1,2; Zhang Junfan1; Liu Zhenyu1; He Lunhua3,4,5; Lu Huaile3,6; Li Xiaohu3; Wang Chen3; Zhang Xiaodong3 |
| 刊名 | ACTA METALLURGICA SINICA
 |
| 出版日期 | 2024-08-11 |
| 卷号 | 60期号:8页码:1031-1042 |
| 关键词 | cryogenic cycle neutron diffraction residual stress finite element method representative volume element |
| ISSN号 | 0412-1961 |
| DOI | 10.11900/0412.1961.2024.00059 |
| 通讯作者 | Zhang Junfan(jfzhang@imr.ac.cn) |
| 英文摘要 | Aluminum-based silicon carbide (SiC/Al) composites are widely used in the field of precision optics by virtue of their high specific modulus, high specific strength, and excellent dimensional stability. The dimensional stability of these composites is primarily influenced by macroscopic and microscopic residual stresses induced during the heat treatment process. This study employed neutron diffraction and finite element method (FEM) to investigate the impact of cryogenic cycle treatment on both macroscopic and microscopic residual stresses within the 35%SiC/6092Al composite material in the annealed state. The results of this study will clarify the methods and effects of reducing the residual stress and improving the dimensional stability of precision optical parts. The study focused on the influencing factors such as the number of cryogenic cycles, sample size, reinforcement particle size, and temperature difference of cryogenic cycles. The results show that the deep cryogenic cycles can remarkably reduce the internal stress of SiC/Al composites in the annealed state; as the number of cryogenic cycles increases, the internal stress reduction effect of a single cycle weakens. The cryogenic cycles primarily induce plastic strain in the matrix around particles, thereby influencing the internal stress between the particles and the surrounding matrix. No significant relationship is found between cryogenic cycles and external dimensions. Moreover, the cryogenic cycle barely increases the macroscopic stress of the annealed sample. For composites with equal volume fraction of SiC particles, the reduction in the internal stress after multiple cryogenic cycles is the same regardless of the SiC size. Moreover, the effect of multiple cryogenic cycles on the reduction in internal stress has little to do with the cryogenic cycle temperature difference. Cryogenic cycles at temperatures ranges of 100 similar to-196 degrees C and 200 similar to-196 degrees C exhibit almost identical alterations in internal stress. |
| WOS研究方向 | Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001281277300003 |
| 出版者 | SCIENCE PRESS |
| 源URL |  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Zhang Junfan |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China 4.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100190, Peoples R China 5.Songshan Lake Mat Lab, Dongguan 523808, Peoples R China 6.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Gu Liming,Feng Xiaoming,Yu Zhao,et al. Impact of Cryogenic Cycling on the Macro and Microscopic Residual Stress in SiC/Al Composites[J]. ACTA METALLURGICA SINICA,2024,60(8):1031-1042. |
| APA | Gu Liming.,Feng Xiaoming.,Yu Zhao.,Zhang Junfan.,Liu Zhenyu.,...&Ma Zongyi.(2024).Impact of Cryogenic Cycling on the Macro and Microscopic Residual Stress in SiC/Al Composites.ACTA METALLURGICA SINICA,60(8),1031-1042. |
| MLA | Gu Liming,et al."Impact of Cryogenic Cycling on the Macro and Microscopic Residual Stress in SiC/Al Composites".ACTA METALLURGICA SINICA 60.8(2024):1031-1042. |
入库方式： OAI收割
来源：金属研究所
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