| 应变速率和位移速率对测定金属材料屈服强度影响的探讨 |
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| 引用本文： | 郑文龙,王春华. 应变速率和位移速率对测定金属材料屈服强度影响的探讨[J]. 工程与试验, 2009, 49(2): 1-5. DOI: 10.3969/j.issn.1674-3407.2009.02.001 |
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| 作者姓名： | 郑文龙 王春华 |
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| 作者单位： | 1. 国防科技大学航天与材料工程学院,湖南,长沙,410073
2. 钢铁研究总院,北京,100081 |
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| 摘 要： | 采用应变速率、位移速率和分段进行应变速率控制模式，测定有明显物理屈服金属材料的拉伸屈服强度，分析应变速率和位移速率对测定屈服强度影响，探讨在拉伸试验中如何正确使用应变速率控制模式。
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| 关 键 词： | 应变速率 位移速率 金属材料 屈服强度 控制模式 |
Exploration on Using Strain Rate and Displacement Rate to Determine the Yield Strength of Metal Materials |
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| Zheng Wenlong,Wang Chunhua. Exploration on Using Strain Rate and Displacement Rate to Determine the Yield Strength of Metal Materials[J]. ENGINEERING & TEST, 2009, 49(2): 1-5. DOI: 10.3969/j.issn.1674-3407.2009.02.001 |
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| Authors: | Zheng Wenlong Wang Chunhua |
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| Affiliation: | Zheng Wenlong1,Wang Chunhua2 (1.College of Aerospace and Materials Engineering,National University of Defense Technology,Changsha 410073,Hunan,China,2.Iron & Steel Research Institute,Beijing 100081,China) |
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| Abstract: | In this paper,by using strain rate,displacement rate and sub-control mode for the strain rate,we determined the tensile yield strength of metal materials which have significant physical yield,analyzed the impact on using strain rate and displacement rate to determine yield strength,discussed how to use the strain speed control mode correctly in the microcomputer control universal testing machines. |
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| Keywords: | strain rate displacement rate metal materials yield strength control mode |
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