曹明明,程玲舒,黄文超,等.免清洗钎剂的助焊能力及其限度[J].精密成形工程,2013,5(5):5-8,17.
CAO Ming-ming,CHENG Ling-shu,HUANG Wen-chao,et al.Weldability and Limits of No-clean Flux[J].Journal of Netshape Forming Engineering,2013,5(5):5-8,17. |
| 免清洗钎剂的助焊能力及其限度 |
| Weldability and Limits of No-clean Flux |
| 投稿时间：2013-05-09 修订日期：2013-08-01 |
| DOI：10.3969/j.issn.1674-6457.2013.05.002 |
| 中文关键词: 免清洗 钎剂 助焊性 限度 |
| 英文关键词: no-clean flux weldability limit |
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| 中文摘要: |
| 讨论了免清洗钎剂的特性和作用机理,应用物理化学原理对其活性的决定因素、助焊能力及其限度进行了分析。 结果表明,钎剂的助焊能力主要取决于其选用的活性剂,而免清洗钎剂主要采取复配活性剂的方式提高其活性。 尽管钎焊时高活性钎剂能显著提升 σs-f,降低 σl-f,但却无法使 σs-l 有效下降,这是钎剂活性难以完全发挥作用的根本原因,因此钎剂的活性是有限度的。 |
| 英文摘要: |
| The characteristics and function mechanism of no-clean flux were discussed, determinants of activity, fluxing capacity and limit were analysed by principles of physical chemistry. The results show that weldability of no-clean flux mainly depends on the chosen active agents, and no-clean flux mainly adopts the combined surfactant to increase its activity. Although the high activity of flux can significantly improve σs-f, reduce σ1-f, but can not make σs-1effectively descent. This is the fundamental reason why the flux activity is difficult to thoroughly play,so the flux activity is limited. |
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