切口弯曲试验 notched-bar test
- 在裂纹扩展试验中,试样切口后使其弯曲并产生微小裂纹,在试件上继续加力直到裂纹扩大为止。
For crack-opening displacement tests, a specimen is notched and then fatigued by flexing to obtain a fine crack. Force is then applied until the crack begins to grow.
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