铁基合金中氢致冷加工内耗峰

HYDROGEN-INDUCED COLD WORK INTERNAL FRICTION PEAKS IN IRON BASED ALLOYS

用声频内耗方法研究了 Fe—0.5C,Fe—0.5Ti 和 Fe—0.5C—0.5Ti 合金中的氢致冷加工内耗峰(H—CWP)。确定了不同合金中 H—CWP 的特征及其激活能以及氢与位错的结合能。对合金元素对 H—CWP 以及氢与位错的交互作用的影响进行了讨论。

The hydrogen-induced cold work internal friction peaks (H-CWP) in iron based alloys were studied by an acoustic frequency internal fri-ction apparatus.The character of the peaks in different alloys was determined.The activation energy for the peaks and the binding energy between hydrogenand dislocation in each kind of alloys were obtained.The effect of alloyingelement on the H-CWP of iron is discussed.