| 双相不锈钢成分、性能及析出相分析 |
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| 引用本文： | 于海成,严与辉,刘小杨,唐张献,吴桂林.双相不锈钢成分、性能及析出相分析[J].特殊钢,2019,40(3):53-58. |
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| 作者姓名： | 于海成 严与辉 刘小杨 唐张献 吴桂林 |
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| 作者单位： | 1兴机电器有限公司，温州325027 ；
2宣达实业集团有限公司，温州325105；
3埃科特富系统有限公司,加拿大,米西索加L5C3C8) |
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| 摘 要： | 叙述了常用的超级双相不锈钢的成分、耐蚀性和应用,分析了不同种析出相、有害相、点蚀当量值(PRE)及焊接对双相不锈钢组织和性能的影响,得出通过控制合金化成分,调整点蚀当量值,编制合理的热处理工艺,严格控制有害相析出,使两相比含量比值接近1,可获得良好耐蚀性、高强度和耐磨性的双相不锈钢。
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| 收稿时间： | 2019-12-16 |
Analysis on Composition,Properties and Precipitated Phases of Duplex Stainless Steel |
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| Yu Haicheng,Yan Yuhui,Liu Xiaoyang,Tang Zhangxian,Wu Guilin.Analysis on Composition,Properties and Precipitated Phases of Duplex Stainless Steel[J].Special Steel,2019,40(3):53-58. |
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| Authors: | Yu Haicheng Yan Yuhui Liu Xiaoyang Tang Zhangxian Wu Guilin |
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| Affiliation: | 1 Xingji Electric Apparatus Co Ltd,Wenzhou 325027；
2 Xuan Da Industrial Group Co Ltd,Wenzhou 325105;
3 Active Exhaust Ltd,Mississauga,Canada L5C3C8 |
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| Abstract: | The composition, corrosion resistance and application of normal and super duplex stainless steels have been summarized, and different kinds of precipitated phases, harmful phases, pitting resistant equivalent (PRE) and effect of welding on structure and properties of duplex stainless steel are analyzed. It is obtained that with controlling alloy chemical composition adjusting pitting resistant equivalent value ； scheduling reasonable heat treatment process to control the precipitation of harmful phases and the ratio of dual phase content near to 1 ,it is able to get better corrosion, higher strength and wear-resistant duplex stainless steel. |
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