铜钛合金是典型的时效硬化高强高导电合金。本文详细阐述了铜钛合金的相变过程；综述了铜钛合金的研究现状，即通过氢气氛时效、预冷变形与时效处理结合的方法可以在不同程度上提高铜钛合金的导电性、强度等性能。指出，晶界对合金性能的影响以及塑性变形对相变的影响有待进一步研究，预冷变形与时效处理结合将是今后研究的热点。
Copper-titanium alloys are a kind of age hardening alloys with high strength and good electrical con-ductivity performance.The phase transition process of copper-titanium alloys was illustrated in detail in this pa-per and the research status of copper-titanium alloys were described,that is,both aging in hydrogen atmosphere and prior-deformation combined with aging treatment can improve the performance,such as electrical conductiv-ity and strength.It is pointed out that the influence of grain boundary on performance and the effect of plastic deformation on phase transition are still not clear.Prior-deformation combined with aging treatment will be an attractive area of research in the future.
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