采用电弧离子镀技术在IC10合金基体上制备NiCrAlYSi粘结层,利用电子束物理气相沉积(EB-PVD)技术在粘结层上制备YSZ陶瓷面层.研究了YSZ热障涂层对IC10合金拉伸、持久、疲劳性能的影响.结果表明:IC10合金沉积YSZ热障涂层后,980℃/200 MPa高温持久寿命与IC10合金相当;900℃高温抗拉强度σ_b、屈服强度σ_0.2、伸长率δ和断面收缩率ψ与基体相比,基本保持不变;室温抗拉强度σ_b、屈服强度σ_0.2与基体相比稍有下降;800℃/447MPa疲劳寿命与基体合金相当.因此,IC10合金沉积TBCs涂层后,对IC10合金力学性能无明显影响,不影响合金的实际使用.
The Y2O3 stabilized ZrO2 thermal barrier coatings with arc ion plated NiCrAlYSi bond coating were deposited by EB-PVD technique on the IC10 alloy substrate. The effect of YSZ thermal barrier coating on the tensile strength,yield strength at 900℃ and the rotating bending fatigue life were studied. Compared IC10 alloy with thermal barrier coating to IC10 alloy,the results of the stress rupture life under 980℃/200 MPa conditions, the tensile intension and yield intension at 900℃ and the rotating bending fatigue life under 800℃/447 MPa were identical. But it's room temperature tensile strength and yield strength decreases in some sort. So the EB-PVD TBCs process does not affect the mechanical properties of IC10 substrate.
参考文献
| [1] | 霍武军,孙护国.先进的航空发动机涡轮叶片涂层技术[J].航空科学技术,2001(3):34-36. |
| [2] | 面向21世纪的热障涂层结构设计[J].材料保护,2000(01):86-88. |
| [3] | 赵希宏,黄朝晖,谭永宁,张强,余乾,徐惠彬.新型Ni3Al基定向高温合金IC10[J].航空材料学报,2006(03):20-24. |
| [4] | 吴小梅,何利民,李建平.NiCrAlYSi涂层对IC10合金力学性能的影响[J].稀有金属材料与工程,2008(05):816-818. |
| [5] | 吴小梅,何利民,李建平,贺世美.EB-PVD热障涂层对IC10合金高温持久性能的影响[J].航空材料学报,2007(03):38-41. |
| [6] | 崔彤,王磊,吕俊英,杨洪才,赵光普.GH586合金高温下低周疲劳断裂行为[J].钢铁研究学报,2003(z1):21-23. |
| [7] | 杨铁洪,王德志,程仕平.GH4033镍基合金高温低周疲劳行为的研究[J].金属热处理,2006(07):26-28. |
| [8] | 王东林,李家宝,金涛,魏政,胡壮麒,付立群,刘世锋.利用喷丸再结晶方法提高K417合金的疲劳寿命[J].稀有金属材料与工程,2006(08):1294-1298. |
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