| 一种大量程疲劳试验机实现小试样预制裂纹的方法 |
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| 引用本文： | 邹广平,张学义.一种大量程疲劳试验机实现小试样预制裂纹的方法[J].应用科技,2004,31(1):49-50,53. |
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| 作者姓名： | 邹广平 张学义 |
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| 作者单位： | 哈尔滨工程大学,建筑工程学院,黑龙江,哈尔滨,150001 |
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| 摘 要： | 根据简单的力学原理，提出了一种使用大量程程控高频疲劳试验机，按照国标2038-91标准预制三点弯曲小试样裂纹的方法——双试样法，并与单试样法进行了对比，给出了实验数据，说明了双试样法的优点，详细给出了三点弯曲试样裂纹预制的相关公式及确定各个载荷具体方法。
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| 关 键 词： | 疲劳试验机 预制裂纹 双试样法 三点弯曲 材料试验 |
| 文章编号： | 1009-671X(2004)01-0049-02 |
| 修稿时间： | 2002年12月12 |
A method of implementing precast crack of small specimen with wide scale fatigue-testing machine |
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| ZOU Guang-ping,ZHANG Xue-yi.A method of implementing precast crack of small specimen with wide scale fatigue-testing machine[J].Applied Science and Technology,2004,31(1):49-50,53. |
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| Authors: | ZOU Guang-ping ZHANG Xue-yi |
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| Abstract: | A kind of concretion method was put forward to carry out precast crack experiment with PLC-200C microcomputer program control HF fatigue testing machine. Then according to national standard 2038- 91,an executive plan was introduced and two kinds of experiments were made with this method. The comparison between the two experimental results proves, that the two-specimen method is better. |
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| Keywords: | fatigue precast crack HF fatigue testing machine |
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