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.
观缺陷主要包括
和
,其中
气和缩组成,
按形态和尺
分为团簇状、锥状、粒状、积聚、丝状和混合形。
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.
观缺陷主要包括和,其中气和缩组成,按形态和尺分为团簇状、锥状、粒状、积聚、丝状和混合形。
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