The result showed that the quantity and dimension of M-A islands in granular bainite has a great effect on impact toughness of CGHAZ of ultra-low carbon copper-bearing age hardening steel.
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- 结果表明,粒状贝氏体中M A岛的含量和尺寸对超低碳含铜时效钢CGHAZ的冲击韧性有显著影响。