The relationship of crack growth rate between lateralnotch specimen and plane plate specimen was studied in this paper. A formula for the relationship was established.
主要研究侧槽试样与平板试样裂纹扩展速率之间的关系，并建立了两者关系的效学表达式。
2
One of the tool tips is in contact with a projection in the notch, and the other one is in contact with the adjacent tool tip and the lateral side of the notch for the positioning.