| 超声DGS法检测锻件时探头频率对缺陷当量的影响 |
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| 引用本文： | 施道芸,范吕慧,周澄,姚力. 超声DGS法检测锻件时探头频率对缺陷当量的影响[J]. 大型铸锻件, 2016, 0(5): 36-39. DOI: 10.3969/j.issn.1004-5635.2016.05.011 |
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| 作者姓名： | 施道芸 范吕慧 周澄 姚力 |
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| 作者单位： | 1. 中国第二重型机械集团公司,四川,618013;2. 中国空气动力研究与发展中心,四川,621000 |
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| 摘 要： | 通过试验数据分析得出了缺陷平底孔当量尺寸与探头频率的关系,缺陷平底孔当量尺寸随探头频率升高而减小,随探头频率降低而增大。
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| 关 键 词： | 超声检测 DGS 锻件 探头频率 缺陷当量 |
Influence of Probe Frequency on Defect Equivalent During Ultrasonic Testing on Forgings with DGS Method |
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| Abstract: | By analyzing the test data, the relation between the flat-bottomed hole equivalent size of defect and the probe frequency has been obtained.The flat-bottomed hole equivalent size of defect shall be decreased along with the rising of probe frequency, and shall be increased along with the reducing of probe frequency. |
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| Keywords: | ultrasonic testing DGS forging probe frequency defect equivalent |
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