采用拉伸试验研究了硼对高强度系泊链钢氢脆敏感性的影响.结果表明,未充氢和预充氢电流密度较小时,三种不同硼含量试验钢的氢脆敏感性无明显区别;而当预充氢电流密度较大时,含硼钢的抗氢脆能力相对不合硼钢明显增强,且随着硼含量的增加,氢致塑性损失逐渐减小,这主要是由于硼偏析强化了晶界,有效抑制了沿晶断裂.
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