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Optimization and Simulation of Deformation Parameters of SiC/2009Al Composites
Ma Kai1,2; Zhang Xingxing1; Wang Dong1; Wang Quanzhao1; Liu Zhenyu1; Xiao Bolv1; Ma Zongyi1
Corresponding AuthorXiao Bolv(blxiao@imr.ac.cn)
2019-10-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume55Issue:10Pages:1329-1337
AbstractParticle reinforced aluminum matrix composites (PRAMCs) have the advantages of high specific strength and high specific modulus, and are important engineering materials for aerospace field. However, due to the huge difference in the mechanical properties between the reinforcements and the aluminum matrixes, the plastic forming of PRAMCs is quite difficult, which restricts their wide engineering applications. In order to improve the quality of plastic processing, it is necessary to optimize deformation parameters of PRAMCs. In this study, the hot deformation parameters of a 15%SiC/2009Al composite fabricated by powder metallurgy were optimized using a simulation method. Firstly, true stress-strain curves of the SiC/2009Al composite were obtained through hot compression tests, and then the strain rate sensitivity index (m) map at the ultimate strain was established. Under the deformation parameters corresponding to various m values, the finite element simulation of the hot compression process was carried out. The flow stress, strain and damage coefficient distribution of the hot-compressed samples were analyzed. The results show that it is reliable to use the m value as the basis for optimizing the processing parameters, which were further verified by the microstructural observations. The deformation temperature and strain rate corresponding to the optimum parameters of the composite were determined to be 500 and 0.01 s(-1), respectively.
Keywordaluminum matrix composite hot deformation constitutive equation finite element simulation
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China
DOI10.11900/0412.1961.2019.00020
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFB0703104] ; National Natural Science Foundation of China[51871214] ; National Natural Science Foundation of China[U1508216]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000487716200011
PublisherSCIENCE PRESS
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/135538
Collection中国科学院金属研究所
Corresponding AuthorXiao Bolv
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Ma Kai,Zhang Xingxing,Wang Dong,et al. Optimization and Simulation of Deformation Parameters of SiC/2009Al Composites[J]. ACTA METALLURGICA SINICA,2019,55(10):1329-1337.
APA Ma Kai.,Zhang Xingxing.,Wang Dong.,Wang Quanzhao.,Liu Zhenyu.,...&Ma Zongyi.(2019).Optimization and Simulation of Deformation Parameters of SiC/2009Al Composites.ACTA METALLURGICA SINICA,55(10),1329-1337.
MLA Ma Kai,et al."Optimization and Simulation of Deformation Parameters of SiC/2009Al Composites".ACTA METALLURGICA SINICA 55.10(2019):1329-1337.
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