| 不同成分系列微合金钢抗奥氏体晶粒长大能力研究 |
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| 引用本文： | 彭云,许祖泽,陈钰珊.不同成分系列微合金钢抗奥氏体晶粒长大能力研究[J].钢铁钒钛,1995(1). |
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| 作者姓名： | 彭云 许祖泽 陈钰珊 |
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| 作者单位： | 北京钢铁研究总院，上海宝山钢铁总厂 |
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| 摘 要： | 研究了ＮｂＶ－Ｖ，Ｎｂ－Ｔｉ，Ｎｂ－Ｖ－Ｔｉ三种成分系列微合金钢的抗奥氏体晶粒长大能力，以及含氮量对Ｎｂ－Ｖ－Ｔｉ微合金钢抗奥氏体晶粒长大能力的影响。试验结果表明，微合金钢中加入微量钛可大大提高钢抗奥氏体晶粒长大能力，Ｎｂ－Ｖ－Ｔｉ微合金钢中含氮量增多抗奥氏体晶粒长大能力增强，但含氮量过高会影响焊接热影响区韧性。
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| 关 键 词： | 微合金钢，奥氏体晶粒，长大，焊接，韧性 |
STUDY OF THE ABILITY OF MICROALLOYED STEELS OF DIFFERENT COMPOSITION TO RESIST GROWTH OF AUSTENITE GRAINS |
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| Pen Yun,Xuzuze.STUDY OF THE ABILITY OF MICROALLOYED STEELS OF DIFFERENT COMPOSITION TO RESIST GROWTH OF AUSTENITE GRAINS[J].Iron Steel Vanadium Titanium,1995(1). |
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| Authors: | Pen Yun Xuzuze |
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| Affiliation: | Pen Yun;Xuzuze(Central Iron & Steel Research Institute)Chen Yushan(Shanghai Baoshan Iron &Steel(Group)Co.) |
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| Abstract: | In this paper the ability of Nb-V, Nb-Ti and Nb-V-Ti microalloyed steels to resist growth of auxtenite grains and the influence of N on the abillty of Nb-V-Ti microalloyed steel to resist growth of auxtenite grains are studied. Test results indicate that microamount Ti addition can greatly enhance the ability of Nb-V-Ti microalloyed steel to resist growth of austenite grains,with the increase of N content the ability of Nb-v-Ti steel to resist growth of austenite grains in-creases,but too much content of N decreases toughness of welding heat affected zone. |
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| Keywords: | icrocalloyed steel austenite grain growth welding toughness |
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