ZrW2O8化合物因在0.3～1050K范围都表现出大幅度的各向同性负膨胀特征而备受关注.介绍了ZrW2O8化合物的基本性质、负膨胀原理,以及微波和共沉淀两种合成方法,重点总结了该化合物在发展低膨胀复合材料中所取得的成果和存在的问题.通过粉末冶金方法制备的Cu-ZrW2O8和Al-ZrW2O8复合材料具有低膨胀或者近零膨胀性质.但是由于ZrW2O8化合物与Cu之间的热膨胀性能差别大,在热循环过程中会产生热错配应力,诱发γ-ZrW2O8形成,从而影响到复合材料的热膨胀性能.金属基ZrW2O8复合材料的发展与应用期待工艺条件和理论模型的深入研究.
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