为充分发掘氧化锆(YSZ:ZrO2-6wt%Y2O3)基热障涂层的潜力,利用纳米级的YSZ粉末作为陶瓷涂层原材料,分别对采用等离子喷涂(APS)和电子束物理气相沉积(EB-PVD)沉积具有纳米结构陶瓷涂层的工艺过程进行全面研究.对比性试验结果表明,涂层中引入纳米结构使热障涂层具有更高的隔热效果,更高的硬度以及更高的抗剥落能力.并对纳米结构陶瓷涂层微观结构的高温稳定性进行研究分析.
参考文献
[1] | G. W. Goward .Progress in coatings for gas turbine airfoils[J].Surface & Coatings Technology,1998(1/3):73-79. |
[2] | EVANS A G;HE M Y;HUTCHINSON J W .Mechanics based scaling laws for the durability of TBCs[J].Progress in Materials Science,2001,46:249-271. |
[3] | WALSTON W S.Coating and surface technologies for turbine airfoils[A].TMS,2004:579-588. |
[4] | WOLFE D E;SINGH J;MILLER R A et al.Tailored microstructure of EB-PVD 8YSZ TBCs with low thermal conductivity and high thermal reflectivity for turbine applications[J].Surface and Coatings Technology,2005,190:132-149. |
[5] | Mineaki Matsumoto;Norio Yamaguchi;Hideaki Matsubara .Low thermal conductivity and high temperature stability of ZrO_2-Y_2O_3-La_2O_3 coatings produced by electron beam PVD[J].Scripta materialia,2004(6):867-871. |
[6] | Nicholls JR.;Lawson KJ.;Johnstone A.;Rickerby DS. .Methods to reduce the thermal conductivity of EB-PVD TBCs[J].Surface & Coatings Technology,2002(0):383-391. |
[7] | Harris KD.;Gonzalez EJ.;Smy T.;Robbie K.;Brett MJ.;Vick D. .Porous thin films for thermal barrier coatings[J].Surface & Coatings Technology,2001(2/3):185-191. |
[8] | Lima RS.;Kucuk A.;Berndt CC. .Bimodal distribution of mechanical properties on plasma sprayed nanostructured partially stabilized zirconia[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2002(2):224-232. |
[9] | Lima RS.;Berndt CC.;Kucuk A. .Evaluation of microhardness and elastic modulus of thermally sprayed nanostructured zirconia coatings[J].Surface & Coatings Technology,2001(2/3):166-172. |
[10] | LIMA R S;KUCUK A;BERNDT C C .Integrity of nanostructured partially stabilized zirconia after PS processing[J].Materials Science and Engineering,2001,A313:75-82. |
[11] | CHEN Huang;ZHOU Xia-ming;DING Chuan-xian .Investigation of the thermalmechanical properties of a plasmasprayed nanostructured zirconia coating[J].Journal of the European Ceramic Society,2003,23:1449-1455. |
[12] | [R].USA,1996. |
[13] | WANG P .[P].ZL 01128448.X,2004. |
[14] | MOVCHAN B A;DEMCHISHIN A V .Study of the structure and properties of thick vacuum condensates of nickel,titanium,tungsten,aluminum oxide and zirconium oxide[J].Physics of Metals and Metallography,1969,28:83-91. |
[15] | THORNTON J A.High rate thick film growth[J].Annual Review of Materials Science,1977(07):239-248. |
[16] | MOVCHAN B A .EB-PVD technology in the gas turbine industry:present and future[J].Journal of The Minerals,Metals & Materials Society,1996,48(11):40-49. |
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%