| 稀土元素Ce对锡银铜无铅钎料润湿性及钎缝力学性能的影响 |
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| 引用本文： | 薛松柏,陈燕,吕晓春,廖永平.稀土元素Ce对锡银铜无铅钎料润湿性及钎缝力学性能的影响[J].焊接学报,2005,26(10):1-4. |
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| 作者姓名： | 薛松柏 陈燕 吕晓春 廖永平 |
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| 作者单位： | 1. 南京航空航天大学,南京,210016
2. 哈尔滨焊接研究所,哈尔滨,150080 |
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| 基金项目： | 南京航空航天大学引进人才科研基金项目（S0462-061） |
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| 摘 要： | 采用STA-5100型可焊性测试仪和STR-1000微焊点强度测试仪，对添加了稀土元素Ce的Sn-3．8Ag-0．7Cu无铅钎料的润湿性及钎缝的力学性能进行了研究。试验结果表明，Ce的加入，可以改善钎料的润湿性，质量百分含量为0．03％～0．05％时效果最好，温度升高以及通人氮气均可以明显地提高Sn-3．8Ag-0．7Cu—Ce无铅钎料的润湿性；当Sn-3．8Ag-0．7Cu钎料中稀土元素Ce的质量百分含量为0．03％时，钎缝的力学性能最佳。
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| 关 键 词： | 铈 无铅钎料 润湿性 力学性能 |
| 文章编号： | 0253-360X（2005）00-00-04 |
| 收稿时间： | 07 29 2005 12:00AM |
| 修稿时间： | 2005年7月29日 |
Effect of cerium on wettability and mechanical properties of soldered joints for Sn-Ag-Cu lead free solder |
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| XUE Song-bai,CHEN Yan,L&#; Xiao-chun and LIAO Yong-ping.Effect of cerium on wettability and mechanical properties of soldered joints for Sn-Ag-Cu lead free solder[J].Transactions of The China Welding Institution,2005,26(10):1-4. |
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| Authors: | XUE Song-bai CHEN Yan L&#; Xiao-chun and LIAO Yong-ping |
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| Affiliation: | XUE Song-bai~1,CHEN Yan~2,LV Xiao-chun~2,LIAO Yong-ping~2 |
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| Abstract: | Based on Sn-3.8Ag-0.7Cu lead free solder,the effect of cerium on the wettability and mechanical properties of soldered joints were investigated by means of Solder Checker STA-5100 and STR Joint Strength Tester.The results showed that the wettability of solder can be improved by adding small amount of Cerium and the optimum was in the range of 0.03wt.% to 0.05wt.%.With the rising of testing temperature,the wettability is greatly improved gas well as by adding nitrogen.Adding small amount of Cerium to Sn-3.8Ag-0.7Cu lead free solder,the mechanical properties of soldered joints is enhenced and the optimum is about 0.03wt.%. |
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| Keywords: | Cerium lead-free solder wettability mechanical properties |
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