利用X射线衍射仪、扫描电镜和能谱分析研究不同铝含量的CoNiCrAlYRe合金在1000℃空气中的恒温氧化行为.结果表明:铝含量的增加促进了合金中富Cr相在γ、β相界面处的析出;铝含量的增加显著抑制了尖晶石氧化物的形成;高铝含量合金中存在的富Cr层有利于致密氧化膜的形成,从而降低了氧化速率,提高了合金的抗氧化性能.
参考文献
| [1] | 李美妲;胡望字;孙晓峰 et al.[J].材料导报,2005,19(04):41. |
| [2] | Huang L;Sun XF;Guan HR;Hu ZQ .Effect of rhenium addition on isothermal oxidation behavior of single-crystal Ni-based superalloy[J].Surface & Coatings Technology,2006(24):6863-6870. |
| [3] | Brandl W;Toma D;Grabke H J .[J].Surface and Coatings Technology,1998,108-109:10. |
| [4] | Konter M;Thumann M .[J].Journal of Materials Processing Research,2001,117(03):386. |
| [5] | Leyens C;Pint B A;Wright I G .[J].Surface and Coatings Technology,2000,133-134:15. |
| [6] | Li MJ.;Sun XF.;Guan HR.;Jiang XX.;Hu ZQ. .Cyclic oxidation behavior of palladium-modified aluminide coating[J].Surface & Coatings Technology,2003(1):106-111. |
| [7] | Liu CT;Sun XF;Guan HR;Hu ZQ .Effect of rhenium addition to a nickel-base single crystal superalloy on isothermal oxidation of the aluminide coating[J].Surface & Coatings Technology,2005(1):111-118. |
| [8] | Beele W;Czech N;Quadakkers WJ;Stamm W;Siemens AG Power Generat D-45466 Mulheim Germany. .Long-term oxidation tests on a Re-containing MCrAlY coating[J].Surface & Coatings Technology,1997(1/3):41-45. |
| [9] | Czech N;Schmitz F;Stamm W .[J].Surface and Coatings Technology,1995,76-77:28. |
| [10] | Czech N;Schmitz F;Stamm W .[J].Surface and Coatings Technology,1994,68-69:17. |
| [11] | Toscano J;Gil A;Huttel T;Wessel E;Naumenko D;Singheiser L;Quadakkers WJ .Temperature dependence of phase relationships in different types of MCrAlY-coatings[J].Surface & Coatings Technology,2007(4/7):603-607. |
| [12] | Krukovsky P.;Kolarik V.;Tadlya K.;Rybnikov A.;Kryukov I.;Mojaiskaya N.;Juez-Lorenzo M. .Lifetime prediction for MCrAlY coatings by means of inverse problem solution (IPS)[J].Surface & Coatings Technology,2004(0):32-36. |
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