This praper discusses various hydrogen-induced softening in metals and analyzes the effect of hydrogenation on tittanium and its properties, in the view of direct and indirect effect of hydrogenation.

• 本文闸述了氢对金属的各种致软现象,采用氢的内在和间接的影响观点,来分析氢在钛合金中的作用及其对性能的影响。