| 郭海燕,魏嘉荃.山形切口三点弯曲试样的SIF柔度标定及应用[J].实验力学,1992,7(4): |
| 山形切口三点弯曲试样的SIF柔度标定及应用 |
| Compliance Calibration and Application of SIF of Three Point Bending Specimens with Chevron-Notched |
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| DOI： |
| 中文关键词: 柔度标定 应力强度因子 断裂韧度 |
| 英文关键词:chevron-notched three-point bend specimen,compliance calibration stress intensity factor,fracture toughness |
| 基金项目: |
| 郭海燕 魏嘉荃 |
| 大庆石油学院，大庆石油学院，大庆石油学院 |
| 摘要点击次数: 255 |
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| 中文摘要: |
| 本文对三组不同比例尺寸的山形切口三点弯曲试样,进行了直接实验柔度标定,由此确定了应力强度因子(SIF)系数表达式.以此标定结果,测定了工具铜 T10A 的断裂韧度 K_(ICV),并同 GB4161-84方法测定的断裂韧度 K_(IC)进行了比较,二者符合较好. |
| 英文摘要: |
| The compliance of chevron-notched 3-point bending specimens are cali- brated experimentally by means of three groups of specimens in different scales.The ex- pression of correction coefficient of stress intensity factor is obtained.According to the re- su |
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