为了研制适用于IC6合金的NiCoCrAlY包覆涂层,采用离子电弧镀方法在Ni3Al基合金IC6上涂覆了NiCoCrAlY 5元包覆涂层,测试了涂覆涂层后IC6合金的主要力学性能和抗氧化抗腐蚀性能.结果表明,NiCoCrAlY涂层主要由γ(Ni)、γ'(Ni3Al)、β(NiAl)和α-Cr组成,可使IC6合金的抗氧化抗腐蚀性能得到明显改善,而且对IC6合金的主要力学性能无明显影响,是IC6合金一种较为理想的防护涂层.
参考文献
[1] | George EP.;Lin H.;Pope DP.;Liu CT. .ENVIRONMENTAL EMBRITTLEMENT AND OTHER CAUSES OF BRITTLE GRAIN BOUNDARY FRACTURE IN NI3AL[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1995(0):277-288. |
[2] | Chaturvedi M C;ZHANG Y G;Han Y F .TEM studies of ETA carbide precipitate particles in a DS cast Ni3Al superalloy[J].Materials Characterization,1995,34(03):205-212. |
[3] | Aoki K.;Masumoto T.;Ishikawa K. .DUCTILIZATION OF NI3AL BY ALLOYING WITH BORON AND SUBSTITUTIONAL ELEMENTS[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,1995(0):316-323. |
[4] | HANYF;CHATURVEDI M C .A high performance DS Ni3Al base alloy for advanced gas turbine blades and vanes[J].金属学报(英文版),1995,8(08):497-502. |
[5] | HANYF;WANG Y M;Chaturvedi M C .Strengthening in a DS casting Ni3Al base alloy IC6[J].Advanced Performance Materials,1995,2:259-268. |
[6] | Xiao C;Han Y .Effect of yttrium on diffusion layer of Ni-Al-Mo-B alloy IC6 during high temperature oxidation process[J].Scripta materialia,1999(11):1217-1221. |
[7] | GOWARD G W .Protective coatings-purpose,role and design[J].Materials Science and Technology,1986,2(02):194-200. |
[8] | G. W. Goward .Progress in coatings for gas turbine airfoils[J].Surface & Coatings Technology,1998(1/3):73-79. |
[9] | 西姆斯·C·T.高温合金[M].大连:大连理工大学出版社,1992 |
[10] | Lee WH.;Lin RY. .Hot corrosion mechanism of intermetallic compound Ni3Al[J].Materials Chemistry and Physics,2003(1):86-96. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%