蒋鸣,李国喜,刘常升,郑毅然.非调质N80钢热浸镀55%Al-Zn合金显微组织及性能的研究[J].表面技术,2007,36(5):4-7. JIANG Ming,LI Guo-xi,LIU Chang-sheng,ZHENG Yi-ran.Study on the Microstructure and Properties of 55 %AI-Zn Alloy Coated Un-Hardened and Tempered N80 Steel[J].Surface Technology,2007,36(5):4-7 |
非调质N80钢热浸镀55%Al-Zn合金显微组织及性能的研究 |
Study on the Microstructure and Properties of 55 %AI-Zn Alloy Coated Un-Hardened and Tempered N80 Steel |
投稿时间:2007-06-10 修订日期:2007-10-10 |
DOI: |
中文关键词: 热浸镀 55% Al-Zn合金 非调质N80钢 显微组织 耐蚀性 力学性能 |
英文关键词:Hot dipping 550-/o Al-Zn alloy Un-hardened and tempered N80 steel Microstructure Corrosion resistance Mechanical properties |
基金项目: |
作者 | 单位 |
蒋鸣 | 东北大学材料研究所,辽宁沈阳110004 |
李国喜 | 东北大学材料研究所,辽宁沈阳110004 |
刘常升 | 东北大学材料研究所,辽宁沈阳110004 |
郑毅然 | 东北大学材料研究所,辽宁沈阳110004 |
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Author | Institution |
JIANG Ming | Research Institute of Materials, Northeastern University, Shenyang 110004, China |
LI Guo-xi | Research Institute of Materials, Northeastern University, Shenyang 110004, China |
LIU Chang-sheng | Research Institute of Materials, Northeastern University, Shenyang 110004, China |
ZHENG Yi-ran | Research Institute of Materials, Northeastern University, Shenyang 110004, China |
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中文摘要: |
为了提高石油管常用材质非调质N80钢的耐蚀性,采用两步助镀法对其进行热浸镀55% Al-Zn合金,得到了表面光滑平整,无漏镀等缺陷的镀层。在此基础上,研究了N80钢镀层的显微组织及其在NaCI水溶液中的耐蚀性,并对镀铝锌合金前后N80钢的力学性能进行了比较和分析。结果显示:55% Al-Zn合金镀层由表及里可分为两层,表层由富铝仅相和富锌B相组成;内层由Fe-AI-和Fe-Al-Si系金属间化合物组成。热浸镀55% Al-Zn合金后,非调质N80钢在NaCI水溶液中的耐蚀性及其强度、塑性等力学性能均显著提高。试验结果表明:将热浸镀55% Al-Zn合金技术应用于非调质N80钢的防腐是可行的。 |
英文摘要: |
A hot dipping 550-/o Al-Zn alloy coating was produced on the un-hardened and tempered N80 steel by two-step flux method, to improve the corrosion resistance in oil field. On the base, the microstructure of hot dipping 55% Al-Zn alloy coating and the corrosion resistance in NaCl solution of the alloy-coated steels were analyzed. And the comparison of the mechanical properties of N80 steels before-and-after coating was carried out. The results show that the microstructure of 550-/o Al-Zn coating is composed of an Al-Zn alloy overlay and a intermetallic layer. After hot dipping 55% Al-Zn alloy, the corrosion resistance in NaCl solution and mechanical properties of the alloy-coated steels can be greatly improved. The investigations indicat that it is feasible to use hot dipping 550-/o Al-Zn process to improve the corrosion resistance of N80 steel. |
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