fracture toughness test

基本解释

In accordance with the fracture toughness test standard of BS7448, J-R curve tests were conducted with multiple specimen with welded joints of D406A ultra-high strength steel.
根据英国标准BS7448断裂韧度试验标准，采用多试样法，测试了D406A超高强度钢焊接接头的J-R曲线。
An experiment on dynamic rock fracture toughness test using edge-notched disc specimen is presented.
提出用边切槽圆盘试样测量岩石动态断裂韧度的实验方法。
The prediction of 3-point bend specimen fracture toughness from the Charpy test result based on the local approach was studied.
研究了基于局部法由冲击试验对三点弯曲试样断裂韧性的预测。