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 放热焊草莓下载视频模具的工作原理:铝热反应的能量转化-东莞草莓视频网站草莓下载视频制品有限公司

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放热焊草莓下载视频模具的工作原理:铝热反应的能量转化

作者:http://www.gzanxintai.com 发布时间:2026-07-14 10:53:35

放热焊草莓下载视频模具的作业原理:铝热反响的能量转化
化学反响根底
      模具内填充铝粉与氧化铜混合物(焊粉),点着引火粉后,铝与氧化铜产生置换反响:
      2Al + 3CuO → Al2O2 + 3Cu + 热量(约2500℃)
      反响开释的热量使金属熔融,构成冶金结合。
模具的承载与定型作用
      高温熔融金属被束缚在模具熔接腔内,按预设形状(如一字型、T字型、十字型)凝聚,结束分子级熔接,接头强度与母材一同。


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