The impact fracture section of modified unsaturated polyester showed ductile failure.

所得改性不饱和聚酯的冲击断裂截面表现为韧性断裂；

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Fractal dimension of impact fracture surface of 08f steel was measured by vertical section method.

利用垂直截面法测量了08f钢经不同形变氮化复合后冲击断裂表面的分形维数。

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The results indicted that the better resistance to impact fracture and abrasion for the test grinding …

结果表明，该球经适当的余热热处理可获得较高的抗多冲击破坏能力与耐磨性能。

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Prof Trinkaus, who was part of an international team that re-examined the specimen, said the depressed fracture in the right temple region was the result of an impact that was "very directed, very localised".

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