The chemical composition of a new casting alloy is designed. its structure and corrosion behavior are stud,ied by means of metallographic microscOPe, X-ray diffraction, EMPA,TEM, SEM and STM.

• 本文设计了新型铸造合金的化学成分，采用金相显微镜、X射线衍射、电于探什（EMPA）、透射电镜（TEM）、扫描电镜（SEM）及扫描隧道显微镜（STM）研究了新型铸造合金的组织及其腐蚀行为。