| 柔度法测量三点弯曲试样弹性模量的影响因素 |
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| 引用本文： | 张亚军. 柔度法测量三点弯曲试样弹性模量的影响因素[J]. 材料开发与应用, 2005, 20(5): 33-36 |
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| 作者姓名： | 张亚军 |
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| 作者单位： | 洛阳船舶材料研究所,河南,洛阳,471039 |
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| 摘 要： | 根据柔度法测量金属材料裂纹长度的原理,讨论了测量三点弯曲SE(B)试样弹性模量的影响因素,并分析了主要因素的影响。在此基础上,用柔度法测量了裂纹尖端张开位移(CTOD)试验用大尺寸SE(B)试样预制疲劳裂纹的长度。经断口测量发现,用柔度法测量的两组母材与焊缝试样的原始裂纹长度具有很好的同一性,为进一步进行CTOD试验提供了保证。
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| 关 键 词： | 三点弯曲试样 柔度法 弹性模量 |
| 文章编号： | 1003-1545(2005)05-0033-04 |
| 收稿时间： | 2004-12-28 |
| 修稿时间： | 2004-12-28 |
Interferential Factors in Elastic Modulus Measurement of Three-point Bend Specimen with Compliance Method |
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| ZHANG Ya-jun. Interferential Factors in Elastic Modulus Measurement of Three-point Bend Specimen with Compliance Method[J]. Development and Application of Materials, 2005, 20(5): 33-36 |
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| Authors: | ZHANG Ya-jun |
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| Affiliation: | Luoyang Ship Material Research Institute, Luoyang 471039, China |
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| Abstract: | With reference to the principle of crack length measurment with compliance method, interferential factors in elastic modulus measurement of metal materials with three-point bend specimen were investigated. On the basis of above investigation, fatigue crack length of bigger three-point specimen for CTOD test with compliance method were preformed. Fracture measurement manifested that base metal specimen and weld specimen have similar original crack length in compliance method measurement. So the measure accuracy for further CTOD test is ensured. |
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| Keywords: | Three-point bend specimen Compliance technique Elastic modulus |
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