The SCCR could be further improved by promptly polishing the surface after shot peening.
若喷丸强化后再表面磨光，则可以进一步改善喷丸强化提高SCC抗力的效果。
T73 and RRA treatment improve the grain boundary character, which is help to inhibit hydrogen embrittlement and decrease anodic dissolution rate, then to improve the SCCR of the alloy.
T73和RRA时效处理改善了合金晶界特性，有助于阻止氢脆、减缓晶界阳极溶解速度，提高合金的抗应力腐蚀能力。
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