钢轨扣件动静刚度测试不确定度计算分析  

Calculation of the Uncertainty of the Static and Dynamic Stiffness Test of Rail Fastening

作　　者：徐宁[1] 杨巧云[1] 王志强[1] 仇武娟 

机构地区：[1]中国船舶重工集团公司第七二五研究所,河南洛阳471023

出　　处：《材料开发与应用》2017年第5期86-89,共4页Development and Application of Materials

基　　金：国家火炬计划(2015GH030682)

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。MTS electro-hydranlic 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 uncer- tainties of static stiffness and dynamic stiffness were 0. 061 7 and 0. 0739, respectively.

关 键 词：动刚度 静刚度 不确定度 扣件 

分 类 号：O317.3[理学—一般力学与力学基础]