| 超低碳含铜铸造不锈钢的组织与腐蚀行为 |
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| 引用本文： | 秦紫瑞 魏广升. 超低碳含铜铸造不锈钢的组织与腐蚀行为[J]. 材料开发与应用, 1998, 13(3): 1-7 |
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| 作者姓名： | 秦紫瑞 魏广升 |
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| 作者单位： | 大连理工大学 |
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| 摘 要： | 采用金相显微镜、Ｘ射线衍射、透射电镜、电子探针显微分析手段和多种腐蚀试验方法研究了超低碳含铜铸造不锈钢的析出相种类、成分、结构、形貌、分布及其腐蚀行为。结果表明，含Ｃｕ为２．０％的００Ｃｒ２０Ｎｉ２５Ｍｏ５钢经１１５０℃固溶处理可得到单相奥氏体组织，并具有优良的耐全面腐蚀、晶间腐蚀、点蚀和电化学腐蚀性能。
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| 关 键 词： | 铸造不锈钢 微观组织 腐蚀 |
Study on the Microstructure and Corrosion Behaviour of Ultra low carbon Containing Copper Cast Stainless Steel |
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| Affiliation: | Dalian University of Technology |
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| Abstract: | In this paper, optical microscope, X-ray diffraction spectrum, TEM, EMPA and several kinds of corrosion test methods are applied to investigate the sort, composition, structure, morphology, distribution of precipitated phase and corrosion behaviour of the 00Cr20Ni25Mo5 steel. Experimental results show that, the steel containing 2.0% Cu has a texture of single austenite phase after solution heat treatment at 1150℃, and possesses good resistances to uniform corrosion, intergranular corrosion, pitting corrosion and electrochemical corrosion. |
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| Keywords: | Cast stainless steel Microstructure Corrosion |
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