| 钢轨扣件动静刚度测试不确定度计算分析 |
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| 引用本文： | 徐宁,杨巧云,王志强,仇武娟.钢轨扣件动静刚度测试不确定度计算分析[J].材料开发与应用,2017,32(5). |
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| 作者姓名： | 徐宁 杨巧云 王志强 仇武娟 |
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| 作者单位： | 中国船舶重工集团公司第七二五研究所,河南洛阳,471023 |
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| 摘 要： | 通过MTS电液伺服试验机,对随机抽取生产过程中的某型扣件的动静刚度进行了测试,并对结果进行了不确定性评定。结果表明,实验条件下的静刚度和动刚度测试结果的相对不确定度分别为0.061 7和0.073 9。
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| 关 键 词： | 动刚度 静刚度 不确定度 扣件 |
Calculation of the Uncertainty of the Static and Dynamic Stiffness Test of Rail Fastening |
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| XU Ning,YANG Qiaoyun,WANG Zhiqiang,QIU Wujuan.Calculation of the Uncertainty of the Static and Dynamic Stiffness Test of Rail Fastening[J].Development and Application of Materials,2017,32(5). |
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| Authors: | XU Ning YANG Qiaoyun WANG Zhiqiang QIU Wujuan |
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| Abstract: | MTS electro-hydraulic servo testing machine was adopted to test the static and dynamic stiffness of upper self-locking double layer nonlinear damping fastener randomly selected in the production process.The results showed that the relative uncertainties of static stiffness and dynamic stiffness were 0.061 7 and 0.0739,respectively. |
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| Keywords: | dynamic stiffness static stiffness uncertainty double layer nonlinear damping fastener |
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