Influence of cyclic frequency on oxidation behavior of K38 superalloy with yttrium additions at 1 273 K |
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Authors: | YU Ping WANG Wen WANG Fuhui |
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Affiliation: | YU Ping1,2,WANG Wen 2,WANG Fuhui2 (1.Shenyang University of Chemical Technology,Shenyang 110142,China,2.State Key Laboratory for Corrosion and Protection,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China) |
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Abstract: | Cyclic oxidation test is a fundamental method to assess lifetime of materials in high temperature environment.Cycle length or cyclic frequency is one important variable in cyclic oxidation testing.In present work,cyclic oxidation tests were performed on cast K38 alloys with 0 wt.%,0.1 wt.%,and 0.5 wt.% yttrium additions at 1 273 K respectively.Two cyclic frequencies were used to investigate the influence of cycle length (1 h vs.20 h) on the high temperature oxidation behavior of superalloy.The results showe... |
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Keywords: | K38 superalloy yttrium cyclic oxidation cyclic frequency rare earths |
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