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本文提出了一种新型异形试板,采用双试样法进行试验并用显微摄影测量COD。试验结果表明:它具有压力容器接管的高应变梯度分布特性,避免了传统宽板试验模拟工程结构的一些缺点。
In this paper, a new type of shaped test plate is proposed, which is tested by double sample method and measured by photogrammetry. The experimental results show that it has the characteristics of high strain gradient distribution of pressure vessel nozzle and avoids some shortcomings of traditional wide-plate test to simulate the engineering structure.