| 不锈钢A-TIG焊接头的抗腐蚀性能分析 |
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| 引用本文： | 胡礼木,胡波,张永宏,王永善.不锈钢A-TIG焊接头的抗腐蚀性能分析[J].焊接学报,2006,27(7):34-36. |
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| 作者姓名： | 胡礼木 胡波 张永宏 王永善 |
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| 作者单位： | 陕西理工学院,材料科学与工程系,陕西,汉中,723003 |
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| 摘 要： | 用沸腾硝酸腐蚀法和室温硫酸加硫酸铜溶液浸蚀法对奥氏体不锈钢TIG焊和自制活性剂A-TIG焊接头进行了对比腐蚀试验.结果表明,自制活性剂A-TIG焊接头在室温下具有良好的耐硫酸腐蚀能力,比TIG焊接头有更强的抗沸腾硝酸腐蚀能力.焊缝金属的化学成分分析表明,自制活性剂在焊接过程中能抑制金属中Cr、Ni等合金元素的烧损,因此提高了A-TIG焊接头的抗腐蚀性能.
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| 关 键 词： | 不锈钢 A-TIG焊 抗腐蚀性能 |
| 文章编号： | 0253-360X（2006）07-034-03 |
| 收稿时间： | 06 30 2005 12:00AM |
| 修稿时间： | 2005-06-30 |
Analysis of corrosion resistance of A-TIG welded joint for austenitic stainless steel |
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| HU Li-mu,HU Bo,ZHANG Yong-hong and WANG Yong-shan.Analysis of corrosion resistance of A-TIG welded joint for austenitic stainless steel[J].Transactions of The China Welding Institution,2006,27(7):34-36. |
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| Authors: | HU Li-mu HU Bo ZHANG Yong-hong and WANG Yong-shan |
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| Affiliation: | Depantment of Materials Science and Engineering, Shanxi University of Science and Technology, Hanzhong 723003, Shanxi, China,Depantment of Materials Science and Engineering, Shanxi University of Science and Technology, Hanzhong 723003, Shanxi, China,Depantment of Materials Science and Engineering, Shanxi University of Science and Technology, Hanzhong 723003, Shanxi, China and Depantment of Materials Science and Engineering, Shanxi University of Science and Technology, Hanzhong 723003, Shanxi, China |
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| Abstract: | Corrosion tests with austenitic stainless steel TIG(tungsten inert-gas) and A-TIG(A:activating) welded joints in boiling nitric acid and sulphuric acid and cupric sulphate solution at room temperature were carried out.The results show that the joints welded with activating flux(A-TIG) have good resistance to acid corrosion at room temperature,and have better resistance to grain boundary corrosion than ordinary TIG welded joints.Chemical analysis shows that the activating flux has the ability to suppress the burning loss of some alloy elements such as Cr and Ni in welding proess which improves the corrosion resistance of the A-TIG welded joint. |
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| Keywords: | stainless steel activating tungsten inert-gas welding corrosion resistance |
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