A series of nickel-chromium-copper cast-irons with varied rare earth were designed and theirs microstructures were observed by optical election microscope ， The corrosion rates of Re-Ni-Cr-Cu alloy cast irons in static、room—temperature and strong alkali l
A series of nickel-chromium-copper cast-irons with varied rare earth were designed and theirs microstructures were observed by optical election microscope ， The corrosion rates of Re-Ni-Cr-Cu alloy cast irons in static、room—temperature and strong alkali l
设计了含不同量的稀土镍-铬-铜合金铸铁，采用光学显微镜观察组织，用失重法测定合金铸铁在静态、室温、高浓度碱液中的腐蚀速率。