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Effect of sintering technology on properties and microstructure of ZrO2/Cu nano-composites
Author(s): 
Pages: 6-9
Year: Issue:  3
Journal: TRANSACTIONS OF MATERIALS AND HEAT TREATMENT

Keyword:  烧结纳米复合材料氧化锆;
Abstract: 采用原位化学工艺制备了ZrO2/Cu纳米复合粉末,并用粉末冶金法制备了ZrO2/Cu纳米复合材料.研究了烧结温度、烧结时间对纳米复合材料性能的影响.结果表明,随着烧结温度的升高,复合材料的体积收缩率增大,同时电导率、显微硬度也增大;随着烧结时间的延长,体积收缩率增大,显微硬度增大到一定程度后减小.当烧结温度为975℃,时间为90min时,得到的ZrO2/Cu纳米复合材料性能较佳(122HV,93.4IASC%).
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