TESTING METHOD OF BENDING STRESS AND TESTING APPARATUS THEREOF

摘要

A testing method of bending stress and a testing apparatus thereof are provided. The method includes the following steps. A stress distribution model of a structure to be tested is built. Next, a testing sample of the structure to be tested is provided, and a force is applied on two ends of the testing sample to bend the testing sample till it breaks at a breaking point, so as to obtain a first distance between the two ends of the testing sample when the testing sample breaks, or a second distance from the breaking point to a closer end of the two ends. Next, a maximum principle stress value of the stress distribution model or a break point principle stress value at the breaking point of the stress distribution model is obtained according to the first distance or the second distance.

主权项

1. A testing method of bending stress, comprising:
(a) building a stress distribution model of a structure to be tested; (b) providing a testing sample of the structure to be tested, and applying a force on two ends of the testing sample to bend the testing sample till the testing sample breaks at a breaking point, so as to obtain a first distance between the two ends of the testing sample when the testing sample breaks, and a second distance from the breaking point to a closer end of the two ends; and (c) obtaining a maximum principle stress value of the stress distribution model or a breaking point principle stress value of the stress distribution model at the breaking point when the testing sample breaks according to the first distance or the second distance.