Preparation of Graphite-copper Composite by Mechanical Alloying AITranslate
Abstract AITranslate
Cu-5 0/40 C alloy powder is prepared by mechanical alloying and copper-carbon alloy enforced copper -graphite composite,Cu-（Cu-5 % C）-C is prepared by powder metallurgy. Study is made of the power manu- facturing technology and the influence of Cu-Swt%C alloy powder on the physical performance and micro- structure of composites. The results show that with the ball milling time increases, the lattice constant of Cu goes up first then falls down, the diffraction peak strength of copper and graphite is decreased, while FWHM is gradually increased. After 40 h ball milling,the graphite peak disappears. Upon 3 h annealing at 400℃ the secondary phase Cu20 peaks disappear and the graphite peaks is not reproduced when the graph- ite content is 4% and carbon content in the alloy is ≤1.5% ,the electrical conductivity of Cu-（Cu-5%C）-C composite sample can be up to 61% IACS. And when carbon content in the alloy is 1. 0%, the yield strength of the composite is remarkably increased. When carbon content in the alloy is 1. 5%, the alloy phase in the composite is seriously decomposed, resulting in much lower enhancing effect.
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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:
Cu-5 0/40 C alloy powder is prepared by mechanical alloying and copper-carbon alloy enforced copper -graphite composite,Cu-（Cu-5 % C）-C is prepared by powder metallurgy. Study is made of the power manu- facturing technology and the influence of Cu-Swt%C alloy powder on the physical performance and micro- structure of composites. The results show that with the ball milling time increases, the lattice constant of Cu goes up first then falls down, the diffraction peak strength of copper and graphite is decreased, while FWHM is gradually increased. After 40 h ball milling,the graphite peak disappears. Upon 3 h annealing at 400℃ the secondary phase Cu20 peaks disappear and the graphite peaks is not reproduced when the graph- ite content is 4% and carbon content in the alloy is ≤1.5% ,the electrical conductivity of Cu-（Cu-5%C）-C composite sample can be up to 61% IACS. And when carbon content in the alloy is 1. 0%, the yield strength of the composite is remarkably increased. When carbon content in the alloy is 1. 5%, the alloy phase in the composite is seriously decomposed, resulting in much lower enhancing effect.
quote
| GB/T 7714-2015 | [1] LI Can-min, WANG Wen-fang, WU Yu-cheng. Preparation of Graphite-copper Composite by Mechanical Alloying[J]. Rare Metals and Cemented Carbides, 2011(4): 60-65. |
| MLA | [1] LI Can-min, et al., "Preparation of Graphite-copper Composite by Mechanical Alloying." Rare Metals and Cemented Carbides, no. 4, 2011, pp. 60-65. |
| APA | [1] LI Can-min, WANG Wen-fang, & WU Yu-cheng. (2011). Preparation of Graphite-copper Composite by Mechanical Alloying. Rare Metals and Cemented Carbides(4), 60-65. |
| IEEE | [1] LI Can-min, WANG Wen-fang, and WU Yu-cheng, "Preparation of Graphite-copper Composite by Mechanical Alloying," Rare Metals and Cemented Carbides, no. 4, pp. 60-65, 2011. keywords: {copper-graphite composite;mechanical alloying;copper-carbon alloy;grain enhancing} |