Research on Preparation of W-Cu Nanocomposite Powders and their Sintering Behaviors AITranslate
Abstract AITranslate
With sodium tungstate and cupric nitrate as raw materials,W-Cu composite powders were prepared by hydrothermal synthesis and coreduction process, and then W-Cu composite materials were prepared by vacuum hot-pressing sintering. The microstructure and morphology of W-Cu composite powders and the micromorphology and physical characteristics of W-Cu composite materials were investigated. The results indicate that the W-Cu nanocomposite powders prepared by hydrothermal synthesis and coreduction process are well distributed,with particle size of about 70 nm. Then W-Cu composite materials can be obtained by pressure sintering and heat treatment,in which Cu phase is well distributed around W phase and the two phases are closely bonded. Its relative density reaches the maximum of 99.2% at the heat treat- ment temperature of 950 ℃, its electrical conductivity reaches the maximum of 46.5 % IACS at the heat treatment temperature of 800 ℃ ,and its Brinell hardness reaches the maximum of HB285 at the heat treatment temperature of 900 ℃.
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Basic Information:
DOI：
Chinese Library Classification Number:TG146.411[金属学及工艺—金属材料]
Citation Information:
With sodium tungstate and cupric nitrate as raw materials,W-Cu composite powders were prepared by hydrothermal synthesis and coreduction process, and then W-Cu composite materials were prepared by vacuum hot-pressing sintering. The microstructure and morphology of W-Cu composite powders and the micromorphology and physical characteristics of W-Cu composite materials were investigated. The results indicate that the W-Cu nanocomposite powders prepared by hydrothermal synthesis and coreduction process are well distributed,with particle size of about 70 nm. Then W-Cu composite materials can be obtained by pressure sintering and heat treatment,in which Cu phase is well distributed around W phase and the two phases are closely bonded. Its relative density reaches the maximum of 99.2% at the heat treat- ment temperature of 950 ℃, its electrical conductivity reaches the maximum of 46.5 % IACS at the heat treatment temperature of 800 ℃ ,and its Brinell hardness reaches the maximum of HB285 at the heat treatment temperature of 900 ℃.
quote
| GB/T 7714-2015 | [1] LIU Shu, XIE Jing-pei, MA Dou-qin, et al. Research on Preparation of W-Cu Nanocomposite Powders and their Sintering Behaviors[J]. Rare Metals and Cemented Carbides, 2014(5): 34-38. |
| MLA | [1] LIU Shu, et al., "Research on Preparation of W-Cu Nanocomposite Powders and their Sintering Behaviors." Rare Metals and Cemented Carbides, no. 5, 2014, pp. 34-38. |
| APA | [1] LIU Shu, XIE Jing-pei, MA Dou-qin, WANG Feng-mei, WANG Ai-qin, LI Ji-wen, WANG Wen-yan, SUN Hao-liang, WANG Wei, & CHENG Guang-yao. (2014). Research on Preparation of W-Cu Nanocomposite Powders and their Sintering Behaviors. Rare Metals and Cemented Carbides(5), 34-38. |
| IEEE | [1] LIU Shu, XIE Jing-pei, MA Dou-qin, WANG Feng-mei, WANG Ai-qin, LI Ji-wen, WANG Wen-yan, SUN Hao-liang, WANG Wei, and CHENG Guang-yao, "Research on Preparation of W-Cu Nanocomposite Powders and their Sintering Behaviors," Rare Metals and Cemented Carbides, no. 5, pp. 34-38, 2014. keywords: {W-Cu composite powder;W-Cu composite material;hydrothermal synthesis and coreduction;pressure sintering;heat treatment} |