CAJ | 학술논문

光弹性材料条纹值是应用光弹性材料进行应力或应变测量时需要标定的一个材料常数。针对薄板型光弹性贴片易弯曲、不适合标准圆盘试件法标定的问题，提出一种基于等截面梁加载方式的标定方法，方便快捷地标定了环氧树脂光弹性贴片材料条纹值，并对标定结果进行了不确定度评定。
광탄성재료조문치시응용광탄성재료진행응력혹응변측량시수요표정적일개재료상수。침대박판형광탄성첩편역만곡、불괄합표준원반시건법표정적문제，제출일충기우등절면량가재방식적표정방법，방편쾌첩지표정료배양수지광탄성첩편재료조문치，병대표정결과진행료불학정도평정。
Material fringe canstant of photoelastic coating needs to be calibrated when stress or strain is measured with photoelastic material .Photoelastic coating is flexible and inconvenience to cali-brate by the method of standard disk , to solve the problem , a calibration way is applied with uniform beam .The material fringe constant of epoxy phtotoelastic coating is calibrated conveniently , and uncer-tainty of calibration result is analyzed .