在高强度双金属复合导线的拉拔过程中，往往产生杯锥状断口的断裂形貌。
The cup and cone-shaped fractures often occur when a high strength bimetal composite wire is drawn.
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.
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