Xiaoying CHENG
,
Xiaojing WAN
,
Yexin CHEN
,
Meiyi YAO
材料科学技术（英文）
Some observation relating tp the solubility, diffusivity and intergranular cracking by hydrogen transport from the external surface in Co3Ti, Co3Ti-Al and Co3Ti-Fe alloys have been carried out. The results show that the addition of alloying elements Al or Fe to Co3Ti alloy can increase the critical hydrogen concentration for changing from transgranular to brittle intergranular fracture, therefore suppress the moisture induced environmental embrittlement.
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