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导电石墨烯/聚醚酮酮复合粉末的电磁脉冲压实研究

Investigation of Electromagnetic Pulse Compaction on Conducting Graphene/PEKK Composite Powder.

作者信息

Wang Quanbin, Jia Deli, Pei Xiaohan, Wu Xuelian, Xu Fan, Wang Huixiong, Cao Minghao, Chen Haidong

机构信息

Department of Oil & Gas Production Equipment, Research Institute of Petroleum Exploration and Development, Xueyuan Road 20#, Beijing 100083, China.

School of Mechanical Engineering, Jiangsu University, Xuefu Road 301#, Zhenjiang 212000, China.

出版信息

Materials (Basel). 2021 Jan 30;14(3):636. doi: 10.3390/ma14030636.

DOI:10.3390/ma14030636
PMID:33573144
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7866504/
Abstract

Polymer-composite materials have the characteristics of light weight, high load, corrosion resistance, heat resistance, and high oil resistance. In particular, graphene composite has better electrical conductivity and mechanical performance. However, the raw materials of graphene composite are processed into semi-finished products, directly affecting their performance and service life. The electromagnetic pulse compaction was initially studied to get the product Graphene/PEKK composite powder. Simultaneously, spark plasma sintering was used to get the bars to determine the electrical conductivity of Graphene/PEKK composite. On the basis of this result, conducting Graphene/PEKK composite powder can be processed by electromagnetic pulse compaction. Finite element numerical analysis was used to obtain process parameters during the electromagnetic pulse compaction. The results show that discharge voltage and discharge capacitance influence on the magnetic force, which is a main moulding factor affecting stress, strain and density distribution on the specimen during electromagnetic pulse compaction in a few microseconds.

摘要

聚合物复合材料具有重量轻、负荷高、耐腐蚀、耐热和耐油性强等特点。特别是，石墨烯复合材料具有更好的导电性和机械性能。然而，石墨烯复合材料的原材料被加工成半成品，直接影响其性能和使用寿命。最初对电磁脉冲压实进行了研究以获得产品石墨烯/聚醚酮酮复合粉末。同时，使用放电等离子烧结来获得棒材以测定石墨烯/聚醚酮酮复合材料的电导率。基于此结果，导电的石墨烯/聚醚酮酮复合粉末可通过电磁脉冲压实进行加工。利用有限元数值分析来获得电磁脉冲压实过程中的工艺参数。结果表明，放电电压和放电电容对磁力有影响，而磁力是在几微秒内电磁脉冲压实过程中影响试样应力、应变和密度分布的主要成型因素。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/b5831c51f804/materials-14-00636-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/9d01f27937c7/materials-14-00636-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/8b39f6176952/materials-14-00636-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/9b2df6517ecd/materials-14-00636-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/4bb15eab174f/materials-14-00636-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/9456bed239df/materials-14-00636-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/2f3af8f7eebc/materials-14-00636-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/33c8f8203e9e/materials-14-00636-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/f2f613663300/materials-14-00636-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/3181c981aee0/materials-14-00636-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/b5831c51f804/materials-14-00636-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/9d01f27937c7/materials-14-00636-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/a86db0c16e99/materials-14-00636-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/9ff31bb0cb95/materials-14-00636-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/db0d4890cdb4/materials-14-00636-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/8b39f6176952/materials-14-00636-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/9b2df6517ecd/materials-14-00636-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/4bb15eab174f/materials-14-00636-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/9456bed239df/materials-14-00636-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/2f3af8f7eebc/materials-14-00636-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/33c8f8203e9e/materials-14-00636-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/f2f613663300/materials-14-00636-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/3181c981aee0/materials-14-00636-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/01e4/7866504/b5831c51f804/materials-14-00636-g013.jpg

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