The intensive press, static press and fatigue experiments for liquid tufftriding spring show that the ability of anti-elastic relaxation and service reliability are increased after low temperature and liquid tufftriding.

• 对处理出的弹簧经强压、静压和疲劳试验表明 ,低温液体软氮化处理使气阀弹簧的抗弹性松驰及工作可靠性均得到了提高。