| 查子初,王志群.试验确定自增强圆筒的表面裂纹K1因子和疲劳扩展规律[J].实验力学,1991,6(2): |
| 试验确定自增强圆筒的表面裂纹K1因子和疲劳扩展规律 |
| Determination of K_1Stress Intensity Factors and Fatigue Crack Growth for Surface Crack in Auto-strengthened Thick-walled Ring Specimens |
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| DOI： |
| 中文关键词: 圆筒 表面裂纹 疲劳裂纹扩展 |
| 英文关键词:compliance teat,autostrengthed ring,stress-intensity factors for the suace crack,fatigue crack growth. |
| 基金项目: |
| 查子初 王志群 |
| 华东工学院，华东工学院，华东工学院 |
| 摘要点击次数: 194 |
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| 中文摘要: |
| 本文提供了一种可以进行自增强处理的圆筒试样,通过实验用柔度法确定了该试样的表面裂纹的应力强度因子,介绍了含表面裂纹试样的柔度测试技术,导出了柔度与表面裂纹尖端前缘各点的应力强度因子的关系式,该式可作为各种含表面裂纹试样柔度法测表面裂纹 K_1因子的参考,本文还测定了不同自增强程度下,自增强圆筒的表面裂纹疲劳扩展规律。 |
| 英文摘要: |
| An auto strengthened thick-walled ring specimen is developed.The stress in- tensity factors for surface crack in this specimen arc determined by compliance method.The relation between SIF at surface crack tip and compliance is given,and may be used as a r |
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