| 双熔敷极耐磨堆焊焊条焊接稳定性的分析 |
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| 引用本文： | 赵伟,邹勇,邹增大,王育福.双熔敷极耐磨堆焊焊条焊接稳定性的分析[J].焊接学报,2013,34(6):25-28. |
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| 作者姓名： | 赵伟 邹勇 邹增大 王育福 |
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| 作者单位： | 山东大学材料液固结构演变与加工教育部重点实验室,济南,250061 |
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| 基金项目： | 国家自然科学基金面上资助项目 |
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| 摘 要： | 针对φ4.0 mm的双熔敷极耐磨堆焊焊条电弧焊中焊条参数与焊接工艺参数对焊接稳定性的影响进行了研究.结果表明,双熔敷极耐磨堆焊焊条电弧焊电弧电压主要由焊条的双芯间距决定,并受到熔滴过渡、电弧吹力等因素的影响,双芯间距太小或者太大都不利于焊接稳定,当双芯间距为1.0mm时,电弧电压为33 V左右,焊接稳定性优良；药皮重量系数为45％～ 56％时,保护效果较好,冶金反应充分,焊接稳定,熔覆层硬度HHRc＞6 200 MPa;焊接电流选择180～200 A为宜,这比传统同规格耐磨堆焊焊条焊接电流大且可调范围窄；焊条与工件间的距离为7 mm时,焊接稳定性较好,焊缝与母材熔合良好.
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| 关 键 词： | 双熔敷极耐磨堆焊焊条 电弧电压 焊接稳定性 |
| 收稿时间： | 2012/4/26 0:00:00 |
Analysis on welding stability of twin deposition surfacing electrode |
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| ZHAO Wei,ZOU Yong,ZOU Zengda and WANG Yufu.Analysis on welding stability of twin deposition surfacing electrode[J].Transactions of The China Welding Institution,2013,34(6):25-28. |
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| Authors: | ZHAO Wei ZOU Yong ZOU Zengda and WANG Yufu |
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| Affiliation: | Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China,Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China,Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China and Key Laboratory of Liquid Structure and Heredity of Materials, Ministry of Education, Shandong University, Jinan 250061, China |
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| Abstract: | |
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| Keywords: | twin deposition surfacing electrode arc voltage welding stability |
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