Research of silverless brazing weld in compressor air drains
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摘要:
通过化学成分设计,微观组织观察和焊接参数优化,研制出一种不含 Si 和 P 元素的新型 Cu-Zn钎料.研究结果表明,当上壳体排气管孔倒角为0.5×45°~1×45°,焊接头间隙0.5~0.6 mm,以 Cu-Zn合金为钎料,于温度900~950℃下对压缩机排气管钎焊,可获得满足压缩机服役要求的钎焊接头.
Abstract:
A novel Cu-Zn alloy with Si and P free solder was developed by means of chemical composition design,microstructure and welding parameters optimization. The results show that brazed joints can fulfill the requirement of compressor when air drains aligned with 45 degree Chamfer for 0.5-1mm and keeping the joints clearance of 0.5-0.6 mm by flame brazing in the temperature range of 900-950℃.
