When molten metal or alloy is made to flow out of a small hole in the bottom of a crucible into a thin stream and high-speed air, nitrogen, argon, water, etc. is blown onto it, the molten metal disperses, rapidly cools, and solidifies into powder. This type of powder production method is called the atomization method, and the resulting powder is called atomized powder. The atomization method is the best method for making alloy powder, and various alloy powders such as carbon steel, stainless steel, high-speed steel, super alloy, duralumin, and titanium alloy can be made using this method. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
金属または合金の溶湯をるつぼ底部の小孔から流出させて細流とし,これに高速の空気,窒素,アルゴン,水などを吹き付けると,溶湯は飛散,急冷凝固して粉末となる。このような粉末製造法をアトマイズ法といい,得られる粉末をアトマイズ粉末という。アトマイズ法は合金粉末を作るのに最適の方法であり,炭素鋼,ステンレス鋼,高速度鋼,スーパーアロイ,ジュラルミン,チタン合金などの各種合金粉末をこの方法によって作ることができる。
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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