| 传统测量的热膨胀系数局限性论证 |
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| 引用本文： | 苗恩铭,费业泰.传统测量的热膨胀系数局限性论证[J].合肥工业大学学报(自然科学版),2002,25(5):641-644. |
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| 作者姓名： | 苗恩铭 费业泰 |
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| 作者单位： | 合肥工业大学,仪器仪表学院,安徽,合肥,230009 |
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| 基金项目： | 国家自然科学基金资助项目 (E0 5 0 2 0 40 1) |
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| 摘 要： | 对热膨胀系数的忽视形体因素的影响进行了理论及试验的论证 ,说明了零件形体因素热膨胀系数的存在与该因素对零件热变形的影响。对典型件的几何形体参数热膨胀系数同零件体膨胀系数之间的关系进行了理论探讨 ,推出了一般零件几何形体参数热膨胀系数同零件体膨胀系数之间的通常关系。对今后形体因素对热变形影响的研究及发展提出了看法
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| 关 键 词： | 热膨胀系数 热变形系数 几何形体热膨胀系数 |
| 文章编号： | 1003-5060(2002)05-0641-04 |
| 修稿时间： | 2002年4月29日 |
On the limitation of the traditional coefficient of thermal expansion |
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| MIAO En ming,FEI Ye tai.On the limitation of the traditional coefficient of thermal expansion[J].Journal of Hefei University of Technology(Natural Science),2002,25(5):641-644. |
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| Authors: | MIAO En ming FEI Ye tai |
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| Abstract: | The form influence of coefficient of thermal expansion is demonstrated from theory and experimentation,and the existence of the coefficient of geometric form thermal expansion is explained as well as the influence of the form factor on the thermal deformation of parts. A theoretical discussion is made on the connection between the coefficients of thermal expansion with regard to the geometrical form parameter of typical parts and the coefficients of volume expansion of the parts,and a general expression of the connection is presented. Some viewpoints about the future research in this field are put forward. |
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| Keywords: | coefficient of thermal expansion coefficient of thermal deformation coefficient of geometric form thermal expansion |
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