利用磁控溅射方法在IN738合金上制备了同成分的纳米晶涂层,研究了该合金与纳米晶涂层在800℃、900℃和1000℃的恒温氧化行为.结果表明:纳米晶涂层在900℃和1000℃氧化时能形成双层的外氧化膜,表层为TiO2和Cr2O3为主的混合氧化物层,内层为连续的Al2O3层,没有内氧化及氮化,但在800℃氧化却不能形成连续的Al2O3内层.讨论了纳米晶的氧化机理.
参考文献
| [1] | Whittle D P.High Temp.Alloys for Gas Turbines[M].London:Appl.Sci.Pub,1978:109. |
| [2] | Felix P;Hart A B;Cutler J Beds.Deposition and Corrosion in Gas Turbines[M].London:Appl Sci Pub,1972:331. |
| [3] | 楼翰一.K38G合金及其溅射微晶层的高温氧化[J].腐蚀科学与防护技术,1993(02):101. |
| [4] | Lou H;Wang F;Xia B et al.High temperature oxidation resistance of sputtered micro-grain superalloy K38G[J].Oxidation of Metals,1992,38:299. |
| [5] | 陈国锋,楼翰一.溅射Ni-8Cr-3.5Al纳米晶涂层的抗高温氧化行为[J].金属学报,2000(01):59-61. |
| [6] | Xia B;Lou H;Zhang L .Morphology and microstructure of sputtered superalloy coating[J].Journal of Materials Science and Technology,1993,9:116. |
| [7] | Bouihis Y;St.John C .Na2SO4 and NaCl induced hot corrosion of six Ni-base superalloy[J].Oxidation of Metals,1975,9:507. |
| [8] | Bennett M J;Tuson A T;Knights C F et al.Oxidation protection of alloy IN738LC by plasma assisted silic coating[J].Materials Science and Technology,1989,5:841. |
| [9] | Abe F;Araki H;Yoshida H et al.The role of aluminum and titanium on the process of a nickel-base superalloy in steam at 800℃[J].Oxidation of Metals,1987,27:21. |
| [10] | Wagner C .Types of reaction in the oxidation of alloys[J].Zeitschrift Fur Elektrochemie,1959,63:772. |
| [11] | Wang F;Young D J .Effect of nanocrystallization on the corrosion resistance of K38G superalloy in CO+CO2 atmospheres[J].Oxidation of Metals,1997,48:497. |
| [12] | Wang F .The effect of nanocrystallization on the selective oxidation and adhesion of Al2O3 scale[J].Oxidation of Metals,1997,48:215. |
| [13] | Kvernes I A;Kofstad P .The oxidation behavior of some Ni-Cr-Al Alloys at high temperatures[J].Metallurgical and Materials Transactions,1972,3:1511. |
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%