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研究了退火时间为3 h时,退火温度对Cr-Nb机械合金化(MA)粉的Laves相Cr2Nb固相热反应合成的影响规律,获得了30 h MA粉在退火时间为3 h时能使Laves相Cr2Nb固相热反应合成充分进行的最低退火温度.优化出的Cr2Nb固相热反应合成低温退火温度,可为通过MA+热压(或烧结)工艺路线制备具有微/纳米晶结构的高强高韧Cr2Nb合金或Cr2Nb基复合材料提供理论指导.

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