在综合了不同材料热轧复合的实验基础上,分析了双金属热轧复合过程中不同工艺条件对结合质量的影响.结果表明:轧制前清除材料表面的覆盖膜有助于轧制过程中形成结合点;轧制过程中适当的轧制温度和轧制压下量能大量消除轧制过程中在金属表面形成的氧化膜,从而使组元材料能形成机械结合;在热烧结过程中,原子通过界面扩散可以消除轧制过程中由于界面微观不平整形成的空洞,同时通过原子间的相互作用使组元材料间形成冶金结合.依据固相结合理论分析得出,双金属热轧复合的界面结合过程包括:金属间物理接触形成机械结合阶段,原子通过化学作用形成化学键及通过界面扩散消除空洞的冶金结合阶段,以及互扩散阶段.
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