梯度复合材料热应力影响因素正交有限元分析
为了分析梯度层厚度、梯度层组成相体积分数及组成相长径比三种因素对热应力的影响,建立了梯度复合材料的物理模型,并采用有限元分析方法计算了该模型冷却至室温的热应力,同时使用正交设计对各因素的重要程度进行了数量估计。结果表明：三种因素中梯度层厚度对热应力的影响最为显著,次之为组成相体积分数,而长径比的影响较小。...
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| Published in | 材料工程 no. 8; pp. 1 - 4 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
北京航空航天大学材料科学与工程学院大型整体金属构件激光直接制造教育部工程研究中心,北京,100191
2012
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1001-4381 1001-4381 |
| DOI | 10.3969/j.issn.1001-4381.2012.08.001 |
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| Abstract | 为了分析梯度层厚度、梯度层组成相体积分数及组成相长径比三种因素对热应力的影响,建立了梯度复合材料的物理模型,并采用有限元分析方法计算了该模型冷却至室温的热应力,同时使用正交设计对各因素的重要程度进行了数量估计。结果表明：三种因素中梯度层厚度对热应力的影响最为显著,次之为组成相体积分数,而长径比的影响较小。 |
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| AbstractList | TB33; 为了分析梯度层厚度、梯度层组成相体积分数及组成相长径比三种因素对热应力的影响,建立了梯度复合材料的物理模型,并采用有限元分析方法计算了该模型冷却至室温的热应力,同时使用正交设计对各因素的重要程度进行了数量估计.结果表明:三种因素中梯度层厚度对热应力的影响最为显著,次之为组成相体积分数,而长径比的影响较小. 为了分析梯度层厚度、梯度层组成相体积分数及组成相长径比三种因素对热应力的影响,建立了梯度复合材料的物理模型,并采用有限元分析方法计算了该模型冷却至室温的热应力,同时使用正交设计对各因素的重要程度进行了数量估计。结果表明：三种因素中梯度层厚度对热应力的影响最为显著,次之为组成相体积分数,而长径比的影响较小。 |
| Author | 范世通 汤海波 张述泉 王华明 |
| AuthorAffiliation | 北京航空航天大学材料科学与工程学院大型整体金属构件激光直接制造教育部工程研究中心,北京100191 |
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| Author_FL | ZHANG Shu-quan FAN Shi-tong TANG Hai-bo WANG Hua-ming |
| Author_FL_xml | – sequence: 1 fullname: FAN Shi-tong – sequence: 2 fullname: TANG Hai-bo – sequence: 3 fullname: ZHANG Shu-quan – sequence: 4 fullname: WANG Hua-ming |
| Author_xml | – sequence: 1 fullname: 范世通 汤海波 张述泉 王华明 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.3969/j.issn.1001-4381.2012.08.001 |
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| DocumentTitleAlternate | Finite Element Analysis of Factors to Thermal Stress in Gradient Composite with Orthogonal Method |
| DocumentTitle_FL | Finite Element Analysis of Factors to Thermal Stress in Gradient Composite with Orthogonal Method |
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| Keywords | 有限元分析 梯度材料 热应力 |
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| Notes | 11-1800/TB FAN Shi-tong, TANG Hai-bo, ZHANG Shu-quan, WANG Hua-ming （Engineering Research Center on Laser Direct Manufacturing for Large Metallic Components（Ministry of Education）,School of Materials Science and Engineering, Beihang University, Beij ing 100191, China） In order to analysis the contributions of graded layer thickness, constituent phase volume fraction and aspect ratio to the being of thermal stress, physical models of gradient composite were established. The thermal stresses of the models induced by cooling to room temperature were simulated most remarkable effect to thermal stress, and the influence of constituent phase volume fraction is ob vious, but the effect of aspect ratio is not significant. graded material thermal stress finite element method |
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| PublicationTitle | 材料工程 |
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| PublicationYear | 2012 |
| Publisher | 北京航空航天大学材料科学与工程学院大型整体金属构件激光直接制造教育部工程研究中心,北京,100191 |
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| Snippet | 为了分析梯度层厚度、梯度层组成相体积分数及组成相长径比三种因素对热应力的影响,建立了梯度复合材料的物理模型,并采用有限元分析方法计算了该模型冷却至室温的热应力,同时使用正交设计对各因素的重要程度进行了数量估计。结果表明：三种因素中梯度层厚度对热应力的影响最为显著,次之为组成相体积分数,而长径比的影响较小。 TB33; 为了分析梯度层厚度、梯度层组成相体积分数及组成相长径比三种因素对热应力的影响,建立了梯度复合材料的物理模型,并采用有限元分析方法计算了该模型冷却至室温的热应力,同时使用正交设计对各因素的重要程度进行了数量估计.结果表明:三种因素中梯度层厚度对热应力的影响最为显著,次之为组成相体积分数,而长径比的影响较小. |
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| SubjectTerms | 有限元分析 梯度材料 热应力 |
| Title | 梯度复合材料热应力影响因素正交有限元分析 |
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