(中国科学院金属研究所 沈阳材料科学国家（联合）实验室，
沈阳 110016)
摘 要: 用座滴法研究了Zr55Al10Ni5Cu30合金熔体与不锈钢基片在连续升温和不同温度下保温20min的润湿动力学， 用扫描电镜观察了润湿冷凝样品的界面形貌， 用能谱分析、 X射线衍射等研究了界面反应， 分析了Zr55Al10Ni5Cu30与不锈钢基片之间的扩散和界面问题。 结果表明： 随着温度的升高， Zr55Al10Ni5Cu30与不锈钢基片之间的润湿角减小， 润湿半径增大； 1223， 1273K时等温润湿动力学分3个阶段： 孕育阶段、 准稳态减小阶段和趋于平衡阶段， 温度高于1323K时润湿只有趋于平衡阶段； Zr55Al10Ni5Cu30合金与不锈钢之间的润湿为反应控制型润湿， 界面处有明显的扩散层和界面反应层； 合金熔体一侧含熔体与不锈钢反应生成的Cr2Zr, 界面处含反应生成的Al5Cr； 在制备Zr55Al10Ni5Cu30/不锈钢非晶复合材料时必须合理选择制备工艺， 严格控制界面反应。
关键字: Zr55Al10Ni5Cu30合金；润湿； 液/固界面； 扩散
（Shenyang National Laboratory for Materials Science,
Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China）
Abstract: By sessile drop technique the wetting behaviors of molten Zr55Al10Ni5Cu30 on 1Cr18Ni9Ti substrate were studied. The micrographs of the interfaces at different temperatures were observed by SEM, the interface reactions were studied by EDS and X-ray diffraction analysis, and the problems of diffusion and interface were also analyzed. The results show that the contact angle of molten Zr55Al10Ni5Cu30 and 1Cr18Ni9Ti substrate decreases as the temperature increases. The drop radius increases but the contact angle decreases as the temperature increases. The wetting process is divided into three phases at 1223K and 1273K, but there is only equilibrium phase when the temperature is above 1323K. The behaviors between Zr55Al10Ni5Cu30 and 1Cr18Ni9Ti belong to reactive wetting controlled by diffusion. There are distinct diffusion layers and reaction layers at the interfaces. The reaction product Cr2Zr is made in the side of molten Zr55Al10Ni5Cu30, and Al5Cr is produced at the interface. The appropriate preparing technique must be chosen and the reaction at the interface must be controlled when the stainless steel-reinforced Zr55Al10Ni5Cu30 bulk metal glass is prepared.
Key words: Zr55Al10Ni5Cu30 alloy; wetting; interface; diffusion
