种钝化镁粉、钝化铝镁合金粉及其湿法生产工艺

• Format: Patent
• Language: Chinese
• Published: 02.04.2019
• Subjects: CASTING; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TRANSPORTING; WORKING METALLIC POWDER

本发明公开了种钝化镁粉、钝化铝镁合金粉及其湿法生产工艺，镁粒、铝镁合金粒与抗氧化剂水溶液加入到湿式粉碎设备中进行湿法粉碎，然后对固液混合物进行湿式筛分或水力分级完成固液分离，干燥后即得钝化镁粉或者钝化铝镁合金粉。所得成品镁粉、铝镁合金粉的颗粒表面包覆钝化保护膜。本发明的粉末生产过程全部在抗氧化剂的水溶保护下进行，是种安全系数高、设备简单、场所环境优良的生产方法。实现了钝化、粉碎、粒度分级步完成。其成品钝化均匀、致密、稳定、防氧化性能优良。抗氧化剂溶液可以长期循环使用，无废水排放，是种环境友好型的工艺方法。 The invention discloses passivation magnesium powder, passivation aluminum magnesium alloy powder and a wet process production process of the passivation magnesium powder and the passivation aluminum magnesium alloy powder. Magnesium particles, aluminum magnesium alloy particles and an antioxidant aqueous solution are added into wet grinding equipment to be subject to wet grinding; then a solid-liquid mixture is subjected to wet type screening or waterpower classification to complete solid-liquid separation; and the passivation magnesium powder or the passivation aluminum magnesium alloy powder is obtained after drying is carried out. Surfaces of particles of the finished magnesium powder and the aluminum magnesium alloy powder are wrapped with passivation p