铍铝合金铸件导电化学氧化表面防护研究  

Surface Protection of Be-Al Alloy Castings by Conducting Chemical Oxidation

作　　者：张鹏 谢垚 李军义 李正飞 杨一群 刘兆刚 方熙成 王东新 ZHANG Peng;XIE Yao;LI Junyi;LI Zhengfei;YANG Yiqun;LIU Zhaogang;FANG Xicheng;WANG Dongxin(State Key Laboratory of Rare Metal Special Materials,Northwest Rare Metal Materials Research Institute Limited Company,Shizuishan 753000)

机构地区：[1]西北稀有金属材料研究院宁夏有限公司,稀有金属特种材料国家重点实验室,石嘴山753000

出　　处：《特种铸造及有色合金》2025年第1期109-112,共4页Special Casting & Nonferrous Alloys

基　　金：国家重点研发计划资助项目(2021YFC2902304);宁夏回族自治区重点研发计划资助项目(2022BDE02028,2022BDE92022)。

摘　　要：开展制备铸造铍铝合金导电化学氧化膜层试验,分析导电氧化膜形成机理,研制出铍铝合金导电化学氧化表面防护技术。通过导电化学氧化技术在铸造铍铝合金表面生成保护膜层,对膜层表面微观结构进行观察,分析膜层的组成成分,对膜层进行耐磨性、导电性、耐腐蚀测试。通过导电化学氧化进行防护,可有效增强铸造铍铝合金表面的导电性和耐蚀性。The preparation of conductive chemical oxidation film of cast Be-Al alloy was carried out.The formation mechanism of conductive oxide film was analyzed,and the surface protection technology of conductive chemical oxida⁃tion of Be-Al alloy was developed.The protective film was generated on the surface of cast beryllium aluminum alloy by conducting chemical oxidation technology.The microstructure of film was observed,and the composition was ana⁃lyzed,and the wear resistance,electrical conductivity and corrosion resistance were tested.The surface conductivity and corrosion resistance of cast Be-Al alloy can be effectively enhanced by conducting chemical oxidation protection.

关 键 词：铍铝合金 表面防护 导电化学氧化 氧化膜层 

分 类 号：TG249[金属学及工艺—铸造] TG146.21[一般工业技术—材料科学与工程]