The pattern of fracture by impact penetration test and tensile fatigue test of thermite welding with stereoscan was observed,and the component of defect with energy spectrum was analyed.
微观缺陷主要包括微孔和
,
中微孔由微气孔和微缩孔组成,物按形态和尺
分为团簇
、锥、粒、积聚物、丝和混合形。
The pattern of fracture by impact penetration test and tensile fatigue test of thermite welding with stereoscan was observed,and the component of defect with energy spectrum was analyed.
微观缺陷主要包括微孔和,中微孔由微气孔和微缩孔组成,物按形态和尺分为团簇、锥、粒、积聚物、丝和混合形。
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