Cyclic Oxidation Resistance of a Sputtered Micro-grained Superalloy Film
来源期刊：JOURNAL OF MATERIALS SCIENCE TECHNOLOG1992年第5期
论文作者：楼翰一 王福会 夏邦杰 张立新
文章页码：347 - 352
摘 要：<正> The cyclic oxidation resistance of cast Ni-basesuperalloy K38G and its sputtered micro-grainedfilm were studied between 950℃ and room temper-ature in air.The results show that the weight gain ofmicrograined films is much less than that of cast al-loy during cyclic oxidation,and the resistance ofmicro-grained fihns is even better than that of thealuminide coating on the same alloy.On the surfaceof cast alloy K38G,complex oxide scales of Cr2O3,TiO2 and NiCr2O4 spinel formed and they beganto spall alter about 30 cycles of test.However,onthe micro-grained films,continuous and thinα-Al2O2 scale was formed and did not spallthroughout the cyclic oxidation test.
楼翰一，王福会，夏邦杰，张立新
摘 要：<正> The cyclic oxidation resistance of cast Ni-basesuperalloy K38G and its sputtered micro-grainedfilm were studied between 950℃ and room temper-ature in air.The results show that the weight gain ofmicrograined films is much less than that of cast al-loy during cyclic oxidation,and the resistance ofmicro-grained fihns is even better than that of thealuminide coating on the same alloy.On the surfaceof cast alloy K38G,complex oxide scales of Cr2O3,TiO2 and NiCr2O4 spinel formed and they beganto spall alter about 30 cycles of test.However,onthe micro-grained films,continuous and thinα-Al2O2 scale was formed and did not spallthroughout the cyclic oxidation test.
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