Effects of SiC Particle Size on Density and Tensile Properties of High-pressure Torsion SiC_P/Al Composites AITranslate
Abstract AITranslate
The mixture powders were directly consolidated of SiC particles with different size and industrial pure aluminum by high-pressure torsion（HPT）to prepare SiC_P/Al composites.The volume of the composites was measured with drainage method,and then the density was calculated.Effects of SiC particle size on density and tensile properties of the composites were studied by tensile tests and SEM observation of the tensile fracture.The results show that with the increase of SiC particle size at 200 ℃,both the amount and specific surface area of the particles gradually decrease due to the certain SiC particle content,more large particles are broken by shearing force and weakly bound freshmen interface increases,resulting in both the density and tensile strength of the composites increasing firstly and then decreasing.Meanwhile,the dimples in tensile fracture have increased size with poorer distribution uniformity,the residue particles in the dimple increase,and therefore the composites have weakened ductile fracture characteristics and enhanced brittle fracture characteristics.
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Basic Information:
DOI：
Chinese Library Classification Number:TB331[一般工业技术—材料科学与工程]
Citation Information:
The mixture powders were directly consolidated of SiC particles with different size and industrial pure aluminum by high-pressure torsion（HPT）to prepare SiC_P/Al composites.The volume of the composites was measured with drainage method,and then the density was calculated.Effects of SiC particle size on density and tensile properties of the composites were studied by tensile tests and SEM observation of the tensile fracture.The results show that with the increase of SiC particle size at 200 ℃,both the amount and specific surface area of the particles gradually decrease due to the certain SiC particle content,more large particles are broken by shearing force and weakly bound freshmen interface increases,resulting in both the density and tensile strength of the composites increasing firstly and then decreasing.Meanwhile,the dimples in tensile fracture have increased size with poorer distribution uniformity,the residue particles in the dimple increase,and therefore the composites have weakened ductile fracture characteristics and enhanced brittle fracture characteristics.
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| GB/T 7714-2015 | [1] SUN Da-zhi, XUE Ke-min, WANG Cheng-guo, et al. Effects of SiC Particle Size on Density and Tensile Properties of High-pressure Torsion SiC_P/Al Composites[J]. Rare Metals and Cemented Carbides, 2016(2): 64-67. |
| MLA | [1] SUN Da-zhi, et al., "Effects of SiC Particle Size on Density and Tensile Properties of High-pressure Torsion SiC_P/Al Composites." Rare Metals and Cemented Carbides, no. 2, 2016, pp. 64-67. |
| APA | [1] SUN Da-zhi, XUE Ke-min, WANG Cheng-guo, & LI Ping. (2016). Effects of SiC Particle Size on Density and Tensile Properties of High-pressure Torsion SiC_P/Al Composites. Rare Metals and Cemented Carbides(2), 64-67. |
| IEEE | [1] SUN Da-zhi, XUE Ke-min, WANG Cheng-guo, and LI Ping, "Effects of SiC Particle Size on Density and Tensile Properties of High-pressure Torsion SiC_P/Al Composites," Rare Metals and Cemented Carbides, no. 2, pp. 64-67, 2016. keywords: {SiCP/Al composite;high-pressure torsion;SiC particle;particle size;density;tensile property} |