| 钛对药芯焊丝熔敷金属扩散氢的影响 |
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| 引用本文： | 王征,桂赤斌,周建奇.钛对药芯焊丝熔敷金属扩散氢的影响[J].焊接学报,2009,30(7):94-96. |
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| 作者姓名： | 王征 桂赤斌 周建奇 |
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| 作者单位： | 海军工程大学船舶与动力学院,武汉,430033 |
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| 摘 要： | 通过添加不同量的钛铁到药芯焊丝中,并在不同保护气焊接的条件下,研究其对熔敷金属扩散氢的逸出和含量的影响.结果表明,保护气体氧化性的增加可以降低熔敷金属扩散氢,而保护气还原性的增加,则熔敷金属扩散氢含量也会相应增加;在药芯焊丝中加入一定量的钛铁,一方面TiO,Ti(C,N)颗粒会在熔敷金属中形成的不可逆氢陷阱,对氢产生捕获作用,可以降低熔敷金属扩散氢;同时,加入的钛铁会提高电弧气氛的还原性,这样会增加熔敷金属的扩散氢,所以适量的添加钛铁,使钛铁对焊接气氛的氧化性的影响和形成不可逆氢陷阱的作用之间合理的结合,能达到理想的降氢效果.Abstract：The effects of Ti content on diffusible hydrogen escape characteristic of deposited metal of flux cored wire were investigated by adding different quantities of Ti-Fe and in different protecting gas conditions. The results show that the oxidative susceptibility of protecting gas can decrease the diffusible hydrogen of deposited metal, and the grains of Ti and Ti(C,N) which exhibit irreversible hydrogen traps can also decrease the diffusible hydrogen of deposited metal. The rational adding Ti-Fe, which harmonized the oxidative susceptibility of welding atmosphere and formed the irreversible hydrogen traps, could obviously decrease the diffusible hydrogen of deposited metal.
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| 关 键 词： | 钛 扩散氢 不可逆氢陷阱 影响 |
| 收稿时间： | 2008/6/13 0:00:00 |
Ti content on diffusible hydrogen of deposited metal of flux cored wire |
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| WANG Zheng,GUI Chibin and ZHOU Jianqi.Ti content on diffusible hydrogen of deposited metal of flux cored wire[J].Transactions of The China Welding Institution,2009,30(7):94-96. |
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| Authors: | WANG Zheng GUI Chibin and ZHOU Jianqi |
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| Affiliation: | College of Naval Architecture & Power, Naval University of Engineering, Wuhan 430033, China,College of Naval Architecture & Power, Naval University of Engineering, Wuhan 430033, China and College of Naval Architecture & Power, Naval University of Engineering, Wuhan 430033, China |
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| Abstract: | The effects of Ti content on diffusible hydrogen escape characteristic of deposited metal of flux cored wire were investigated by adding different quantities of Ti-Fe and in different protecting gas conditions. The results show that the oxidative susceptibility of protecting gas can decrease the diffusible hydrogen of deposited metal, and the grains of Ti and Ti(C,N) which exhibit irreversible hydrogen traps can also decrease the diffusible hydrogen of deposited metal. The rational adding Ti-Fe, which harmonized the oxidative susceptibility of welding atmosphere and formed the irreversible hydrogen traps, could obviously decrease the diffusible hydrogen of deposited metal. |
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| Keywords: | Ti diffusible hydrogen irreversible hydrogen traps effect |
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