挤压态合金的拉伸断口宏观上为杯锥状，微观上表现为明显的韧性断裂特征。
The fracture of the as-extruded composite on a macroscopic scale is cup and cone morphology and features with the toughness failure on the microscopic scale.
它具有前兆的性质并反映出孕震区活动断裂中介质微观与宏观裂隙结构的动办学特征。
They show precursory properties, and reflect the dynamic characteristics of microcosmic and macroscopic crack structure of the medium in the seismogenic zone.
并结合断口分析，探讨了钨合金在冲击作用下发生断裂的微观特征与韧脆转化间的关系及其物理本质。
Microscopic features of dynamic fracture of tungsten alloys under shock loading, as well as their relationship with the ductility_brittleness transition were discussed.
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