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CN101818353B 一种防止气孔的钛及钛合金焊接表面前处理工艺 有权 转让

一种防止气孔的钛及钛合金焊接表面前处理工艺
摘要：
一种防止气孔的钛及钛合金焊接表面前处理工艺，首先将十二烷基苯磺酸钠1-2g，无水硫酸钠0.5-1g，聚乙二醇辛基苯基醚0.01-2g，无水碳酸氢钠0.05-0.8g，纯净水或蒸馏水10L，按上述比例配制成清洗液；然后将待焊接的钛或钛合金焊接件放入所述清洗液中浸泡5-10分钟，并在清洗溶液中用120-400#水砂纸打磨焊接面，直到焊接面出现金属光泽；再将钛或钛合金焊接件进行超声波清洗，并将经过超声波清洗的钛或钛合金焊接件放入烘干箱内烘干，然后对经过上述清洗并烘干的钛或钛合金焊接件施焊。
摘要（英）：

The invention discloses a titanium and titanium alloy welding surface pretreatment process for preventing pores, which comprises the following steps of: preparing cleaning solution from 1 to 2 grams of sodium dodecyl benzene sulfonate, 0.5 to 1 gram of anhydrous sodium sulfate, 0.01 to 2 grams of polyglycol octylphenyl ether, 0.05 to 0.8 gram of anhydrous sodium bicarbonate and 10 liters of purified water or distilled water according to the proportion; soaking a titanium or titanium alloy welding piece to be welded into the cleaning solution for 5 to 10 minutes, and polishing the welding surface in the cleaning solution by using No.120-400 waterproof abrasive paper till the welding surface has metallic luster; and ultrasonically cleaning the titanium or titanium alloy welding piece, drying the ultrasonically cleaned titanium or titanium alloy welding piece in a drying box, and welding the cleaned and dried titanium or titanium alloy welding piece.

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