| 45钢热处理组织对声双折射影响的研究 |
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| 引用本文： | 杨九九,罗琅,董师润,魏勤.45钢热处理组织对声双折射影响的研究[J].物理测试,2009,27(2):1-4. |
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| 作者姓名： | 杨九九 罗琅 董师润 魏勤 |
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| 作者单位： | 江苏科技大学材料科学与工程学院,江苏,镇江,212003 |
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| 基金项目： | 江苏省重点实验室开放研究基金 |
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| 摘 要： | 采用回振法测试45钢的横波声速。实验结果表明，不同热处理的45钢有不同的组织，不同的组织对应不同的声双折射因子。实验研究发现，在自由边界且应力效应小的条件下，钢的晶粒细小且均匀时，声双折射因子小；反之，声双折射因子大。
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| 关 键 词： | 声弹性 热处理 组织 回振法 |
Influence of Heat Treatment Structure of 45 Steel on Birefringence |
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| YANG Jiu-jiu,LOU Lang,DONG Shi-run,WEI Qin.Influence of Heat Treatment Structure of 45 Steel on Birefringence[J].Physics Examination and Testing,2009,27(2):1-4. |
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| Authors: | YANG Jiu-jiu LOU Lang DONG Shi-run WEI Qin |
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| Affiliation: | (Department of Material Science and Engineering,Jiangsu University of Science and Technology, Zhenjiang 212003 ,Jiangsu,China) |
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| Abstract: | The transverse wave velocity of the 45 steel was measured by the sing-around method. The result of experiment showed the 45 steel with different heat treatment had different structures and different birefringences. It was found that the fine evengrained steel had little birefringence, otherwise had large birefringence. |
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| Keywords: | acoustoelasticity heat treatment structure sing-around |
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