| Cr17Ni2钢焊接接头抗刀状腐蚀性能的研究 |
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| 引用本文： | 薛锦,戚继皋,司国安,李成珊.Cr17Ni2钢焊接接头抗刀状腐蚀性能的研究[J].西安交通大学学报,1987(6). |
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| 作者姓名： | 薛锦 戚继皋 司国安 李成珊 |
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| 作者单位： | 西安交通大学，西安交通大学，西安交通大学，太原化肥厂 |
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| 摘 要： | 本文研究了 Cr17Ni2钢焊接接头在腐蚀介质中抗刀状腐蚀的机理,采用了多种焊接材料及不同的焊后处理措施,研究其对抗刀状腐蚀性能的影响.在大量试验基础上,提出了采用合理的焊后热处理工艺能够解决接头抗刀状腐蚀的问题,从而提高了用 Cr17Ni2钢制造的焊接叶轮的使用寿命,并取得了明显的经济效益.
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| 关 键 词： | 刀状腐蚀 二次稳定化退火处理 碳的扩散迁移 贫铬区 敏化处理 |
RESEARCH ON THE KNIFE-LINE ATTACK-RESISTANT PROPERTIES OF Cr17Ni2 STEEL WELDING JOINT |
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| Xue Jin Qi Jigao Si Guo'an.RESEARCH ON THE KNIFE-LINE ATTACK-RESISTANT PROPERTIES OF Cr17Ni2 STEEL WELDING JOINT[J].Journal of Xi'an Jiaotong University,1987(6). |
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| Authors: | Xue Jin Qi Jigao Si Guo'an |
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| Institution: | Xue Jin Qi Jigao Si Guo'an (Xi'an Jiaotong University)Li Chengshan (Taiyuan Chemical Fertilizer Factory) |
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| Abstract: | The objective of this research was to investigate the mechanism of knife- line attack resistance of Cr17Ni2 steel welding joint in a corrosive solution. Data were gathered on various kinds of welding materials and different post- welding heat treatment.Based upon these test results,it is proposed to use certain postwelding heat treatment as a method to solve the problem of knife- line attack,thus extending the working life of welding impellers of Cr17Ni2 steel.This method has produced marked economical benefit in a certain factory. |
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| Keywords: | knife-line attack twice stabilizing annealing treatment carbon moved poor chromium zone sensitization |
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