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在印度 Kokom 的 CABOT 公司研制了一种 NO214合金。该合金是在 Ni-15Cr-5Al 基础上添加少量的钇,以提高氧化膜的粘着力,使抗氧化温度达到1315℃。在试制中解决了由于少量钇加入,引起 Ni-15Cr5Al 合金热加工性能恶化的问题。据称该合金将进入工业性的生产阶段。NO214合金和其他一些抗氧化合金的成分及其高温坑氧化性能等如表1、表2。214合金的工业应用:1.用以夹住纤维绝热材料的固定器,气氛控制炉的辐射管和烧咀,以及炉架、夹具和筐架等的代用材料;
CABOT, Kokom, India, has developed a NO214 alloy. The alloy is based on the Ni-15Cr-5Al add a small amount of yttrium to improve the adhesion of the oxide film, the oxidation temperature reached 1315 ℃. Solve in the trial due to a small amount of yttrium added, causing Ni-15Cr5Al alloy hot workability problems. Allegedly the alloy will enter the industrial production stage. NO214 alloy and some other anti-oxidation alloy composition and its high-temperature pit oxidation properties such as Table 1, Table 2.214 industrial applications of the alloy: 1. Used to clamp the fiber insulation fixtures, atmosphere control furnace radiant tube and Burning Tsui, as well as furnaces, fixtures and rack and other alternative materials;