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
,其
由气缩组成,物按形态尺寸分
团簇状、锥状、粒状、积聚物、丝状混合形。
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,其由气缩组成,物按形态尺寸分团簇状、锥状、粒状、积聚物、丝状混合形。
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