大块非晶合金与许多金属间化合物一样,其主要组元之间有较大的负混合焓,有可能发生自蔓延反应.利用这一特点,设计了激光诱导燃烧合成非晶合金的工艺方法.用激光诱导燃烧合成的方法合成了Zr55Ti22Ti 10.8Al 17.1合金.分析发现,合成产物主要由非晶、Zr2Ni和Zrr6Al2Ni金属间化合物和Ti/Zr固熔体组成.合成产物与单相非晶合金相比,具有较高的硬度和较低的摩擦系数.

Bulk metallic glasses, like many crystalline intermetallics, have large negative enthalpy of mixing among the m^jor constituent elements, and hence are potential candidates of self-propagating high-temperature reaction systems. Based on this characteristic, the laser-induced combustion synthesis (LCS) technique is applied to fabricate Zr₅₅Ti_10.8Al_17.1Ni_17.1 alloy. The product consists of amorphous, Zr2Ni and Ζr6Al2Ni intermetallic phases and Ti/Zr solid solution· Compared with single amorphous alloy, the product shows higher microhardness and lower friction coefficient.