| 以球孔为起始灵敏度确定缺陷当量的方法 |
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| 引用本文： | 林景凡,郝光香,张秋华.以球孔为起始灵敏度确定缺陷当量的方法[J].齐齐哈尔大学学报(自然科学版),2001,17(4):62-63. |
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| 作者姓名： | 林景凡 郝光香 张秋华 |
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| 作者单位： | 1. 齐齐哈尔大学机械系,
2. 大庆晓雪啤酒有限公司质检部, |
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| 摘 要： | 用数学物理方法从理论上探讨了在司声程条件下,用不同孔径的球孔试块作为标准反射体对超声波反射声压的影响,找出它们衰减分贝值的变化规律,最后用球孔试块作起始灵敏度并结合实际探伤来确定缺陷的当量.
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| 关 键 词： | 标准反射体 球孔 当量法 |
| 文章编号： | 1007-984X(2001)04-0062-02 |
| 修稿时间： | 2001年10月9日 |
In quire into method of determine defect equivalent for sensitivity originally with sphere hole |
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| LIN Jing-fan,HAO Guang-xiang,ZHANG Qiu-hua.In quire into method of determine defect equivalent for sensitivity originally with sphere hole[J].Journal of Qiqihar University(Natural Science Edition),2001,17(4):62-63. |
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| Authors: | LIN Jing-fan HAO Guang-xiang ZHANG Qiu-hua |
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| Institution: | LIN Jing-fan1 HAO Guang-xiang 1 ZHANG Qiu-hua2 |
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| Abstract: | In this paper ,Probe into inference of Ultrasonic reflex sound pressure take place standand reflecting object in dissimilarities broe diameter test piece with sphere hole in mathematice physical method on theory in similar sound displacement.Find them deccbel value attenuation regular.Finally determine defect equivalent combination sensctivity originally of standard reflecting object and practice flaw detection. |
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| Keywords: | standand refleeting object sphere hole equivalent method |
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