| 回火温度对低碳贝氏体钢AH80DB冲击韧性的影响 |
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| 引用本文： | 吴金跃,赵贤平,窦玉香,杨柳,陈新慈,王志国.回火温度对低碳贝氏体钢AH80DB冲击韧性的影响[J].河南冶金,2012(4):36-38. |
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| 作者姓名： | 吴金跃 赵贤平 窦玉香 杨柳 陈新慈 王志国 |
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| 作者单位： | 安阳钢铁集团有限责任公司 |
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| 摘 要： | 研究了低碳贝氏体钢AH80DB不同回火温度对冲击韧性的影响。研究结果表明，在250℃左右M／A岛开始分解，300℃-350℃分解数量多，尺寸大，且沿晶界分布，发生了回火脆性，导致冲击韧性差。随着回火温度的升高，M／A岛的分解在500-550℃基本完成，冲击韧性逐渐升高。
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| 关 键 词： | 回火温度 AH80DB 冲击韧性M／A岛 回火脆性 |
EFFECT OF TEMPERING TEMPERATURE ON IMPACT TOUGHNESS OF LOW CARBON BAINITIC STEEL AH80DB |
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| Wu Jinyue Zhao Xianping Dou Yuxiang Yang Liu Chen Xinci Wang Zhiguo.EFFECT OF TEMPERING TEMPERATURE ON IMPACT TOUGHNESS OF LOW CARBON BAINITIC STEEL AH80DB[J].Henan Metallurgy,2012(4):36-38. |
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| Authors: | Wu Jinyue Zhao Xianping Dou Yuxiang Yang Liu Chen Xinci Wang Zhiguo |
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| Affiliation: | Wu Jinyue Zhao Xianping Dou Yuxiang Yang Liu Chen Xinci Wang Zhiguo(Anyang Iron and Steel Group Co.,Ltd) |
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| Abstract: | Effect of different tempering temperature on impact toughness of low carbon bainitic steel AH80DB is investigated.The results show that the M/A islands start to decompose at about 250 ℃ and decompose greatly between 300℃~350 ℃ with large grain along boundary which leads to bad impact toughness from temper brittleness.With the tempering temperature rise,the resolve of M/A islands basically complete within 300 ℃~350 ℃,then the impact toughness gradually rise. |
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| Keywords: | tempering temperature AH80DB impact toughness M/A islands temper brittleness |
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