化学镀铜层厚度对铜包覆钨酸锆铝基复合材料热稳定性能的影响.pdf

·102· 材料导报B：研究篇 化学镀铜层厚度对铜包覆钨酸锆／铝基复合材料热稳定性能的影响 刘 青1，吴一1，王浩伟2 摘要 采用化学镀铜的方法在陶瓷颗粒表面沉积不同厚度的铜颗粒，对陶瓷颗粒进行表面修饰，在陶瓷颗粒 与金属基体间形成过渡层以缓解制备过程中材料内部产生的内应力。研究了添加不同镀层厚度颗粒的复合材料的 热膨胀系数和相变性能，结果表明铜镀层可以在一定程度上缓解内应力。减少ZrW：Q向高压相的转变，提高复合材 料的热稳定性。 关键词 钨酸锆铝基复合材料化学镀铜 中图分类号：TGll3．22+2 文献标识码：A of of ontheThermal ofAluminum EffectThickness CopperPlating Stability with Coated Matrix ZrWz08 CompositeCopper ’LIU Haowei2 Yil，WANG Qin91，WU (1SchoolofMaterialsScienceand 200240； JiaoTongUniversity，Shanghai Engineering，Shanghai 2 State ofMetalMatrix Jiao 200240) KeyLaboratory Composites。ShanghaiTongUniversity，Shanghai AbstractAluminummatrix with 08asthesecond was to compositeZrW2 phasepreparedbysqueezecasting in downofthe withexcellent structuraland the andcooling getcomposite performance function．Duringpreparation wasunavoidabletoformthe of causedtheinternalstress．Electroless ZrW2(X by composite，it highpressurephase was uniform ontheceramicsurfacewithdifferentthicknesstoalleviate copperplatingusedtodeposit coppercoating thisinternalstress．Thethermal behaviorofthe andthe transitionbehaviorwerestudied． expansion compositephase a alsoreduce