【摘要】 本文讨论在精铸条件下,球铁的化学成分、组织、性能与工艺条件的关系。分析各种组织的球铁石墨分布形态和性能特点。试验证明在精铸条件下可获得各种组织和性能的球铁,其性能均达到或超过了相应基体的球铁标准。更多还原

【Abstract】 This Paper discusses the relation among chemical components,microstructure,mechanical properties and technical condition of ductile iron in investment casting Distributing form of graphit and mechanical properties feature of various matrix microstructure are also discussed. It is proved that investment casting can obtain various microstructure and properties ductile iron and its properties get or surpass atandards of various ductile iron.更多还原