两次淬火对HSLA钢组织和冲击韧性的影响
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Effect of Double Quenching on Microstructure and Impact Toughness of a High Strength Low Alloy Steel
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图9. DQT工艺实验钢的二次裂纹和主要裂纹扩展形貌 |
Fig.9. SEM images of (a) secondary crack propagation and (b) main crack propagation for impact specimens treated by DQT process |
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