The effects of material composition, working surfacetreatment and microstructure on wear resistance of powder hot-forging flow oil-seal ring were studied.
研究了粉末热锻浮动油封密封环的材质、表面处理、显微组织对其耐磨性的影响。
2
Inside and outside surface anti-corrosion treatment by hot dipping acid.
由热浸酸内外表面防腐处理。
3
A furnace with preheating equipment for water vapor is developed for surface oxidation treatment of hot work dies. This type furnace is successfully used in industry.