原位生成金属间化合物／Fe－Cr－Ni复合材料的耐蚀性

CORROSION RESISTANCE OF COMPOSITES OF Fe-Cr-Ni WITH INTERMETALLICS FORMED IN SITU

原位生成金属间化合物／Ｆｅ－Ｃｒ－Ｎｉ复合材料的耐蚀性杨霓虹，柯伟，张玉生（西南交通大学成都６１００３１）（中国科学院金属腐蚀与防护研究所沈阳１１００１５）１前言铬、镍和铝含量很高的铁基合金在一定条件下可生成大量均匀分布的金属间化合物，形成原位生成的...

he iron-bed alloy with high contents of chronium, nickle and molybdenum under certain conditions could generate intermetallics distributed homogeneously in the alloy and result in composites which are resistant to wear and corrosion as well. The corrosion resistance of the composites in a solution simulated to that in phosphoric acid process was evaluated with electrochemical polarization measurements. With the increasing volume fraction of intermetallics, the passivity of the composite materials degrades slightly. As a whole, however, the composites under study with various amount of intermetallics exhibit excellent corrosion resistance.