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鎢鉬知識
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鎢基面向等離子體材料的製備方法
69
鎢基面向等離子體材料因有高導熱、高熔點、低濺射、低氫滯留、低蒸氣壓、韌性大、成本合理等優點,而深受核聚變領域的歡迎。其製備方法如下: (1)按鎢纖維占基體鎢粉體…
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![超粗鎢粉的製備方法 超粗鎢粉的製備方法圖片](http://www.uicoollab.com/big5/wp-content/uploads/2021/05/Picture-of-preparation-method-of-ultra-coarse-tungsten-powder-2-351x185.jpg)
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如何减少硬質合金焊接時裂紋出現?
94
硬質合金由于燒結後未經清理的表面層含有較多的游離碳,所以在焊接時很容易出現裂紋。那應如何减少裂紋的出現呢? 第一,采用加暖方法進行控制减少裂紋産生。焊接溫度控制…
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