| T91小径管异质钢的焊接工艺研究 |
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| 引用本文： | 李强.T91小径管异质钢的焊接工艺研究[J].热加工工艺,2007,36(7):31-33. |
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| 作者姓名： | 李强 |
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| 作者单位： | 中原工学院,河南,郑州,450007 |
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| 摘 要： | 研究了T91与10CrMo910钢的异质焊接工艺，确定出预热和层间温度，选择了焊接材料，制订出相应的工艺参数和焊接、热处理工艺。通过焊接工艺试验评定表明：此焊接工艺选择适当，焊接接头的力学性能、显微组织满足要求，可以保证工程焊口质量。
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| 关 键 词： | 异质钢焊接 TIG SMAW焊 预热 层间温度 高温回火 |
| 文章编号： | 1001-3814(2007)01-0031-03 |
| 修稿时间： | 2007-01-22 |
Study of Welding Process for Dissimilar Small-Dia T91 Steel Tube |
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| LI Qiang.Study of Welding Process for Dissimilar Small-Dia T91 Steel Tube[J].Hot Working Technology,2007,36(7):31-33. |
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| Authors: | LI Qiang |
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| Affiliation: | Zhongyuang Institute of Technology, Zhengzhou 450007,China |
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| Abstract: | The welding process of dissimilar steel T91 and 10CrMo910 was studied. Preheat and interpass temperature were determined, the welding material was choosen, the relevant process parameters, the welding procedure and the heat-treatment procedure were worked-out.The welding examination shows that the selected procedure is suitable, and the mechanical properties and microstructure of the welding joint can satisfy the specifications, and can ensure the quality of the welding project. |
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| Keywords: | welding on dissimilar steel TIG+SMAW welding preheat interpass temperature high-temperature tempering |
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