复合材料的断裂形貌为韧窝加沿晶断裂。
The composite displays the fracture features of the dimple and intergranular fracture.
轴向垂直滑动方向的纤维呈螺旋状断裂形貌。
The fiber with the axis perpendicular to the sliding direction has the helical crack morphology.
断裂形貌考察表明，POM/ NBR共混物的断裂面呈脆性断裂特征；
The impact fracture surface showed a tough morphology for POM/NBR/Novolak blends and brittle one for POM/NBR blends.
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