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材料特性对热障涂层合理压入深度的影响 被引量：1

Effect of Material Properties on Reasonable Indentation Depth of TBCs
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摘要 基于有限元计算方法和量纲分析原理提出了热障涂层合理压入深度的确定方法,并研究了涂层及基体材料特性对合理压入深度的影响。首先,根据量纲分析原理提出了合理压入深度的无量纲表达式;其次基于锥形压头识别理想弹塑性材料的材料特性的方法,提出合理压入深度的确定方法;最后研究了各无量纲因素对合理压入深度的影响。研究发现基体的弹性模量对合理压入深度的影响最大,粘结层材料特性的影响较大,热氧化生成层的材料特性及基体的屈服极限对合理压入深度的影响不大。 The reasonable indentation depth of the thermal barrier coating system is investigated using a combination of dimensional analysis and finite element analysis.Scaling functions relating the reasonable indentation depth are given according to the dimensional analysis.Based on the method of exacting the material properties of elastic-perfectly plastic material using the sharp indenter,the method to determine the ratio of the reasonable indentation depth to coating thickness below which the substrate material ...
作者 钱秀清 张建宇 费斌军
机构地区 北京航空航天大学航空科学与工程学院
出处 《航空材料学报》 EI CAS CSCD 2008年第5期45-49,共5页 Journal of Aeronautical Materials
关键词 热障涂层 材料特性 压入深度 量纲分析 有限元法 thermal barrier coatings materials properties indentation depth dimensional analysis finite element method
分类号 V250.2 [一般工业技术—材料科学与工程]
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参考文献12

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共引文献54

同被引文献7

  • 1赵彬,许宝星,岳珠峰.热障涂层平头压痕蠕变研究[J].机械强度,2005,27(1):112-116. 被引量：4
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引证文献1

航空材料学报
2008年 第5期

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