The longitudinal cracks along bond line and the transverse cracks which cut across the weld metal cross section inside weld metal were formed, while X65 pipe line steel was welding.
The defect testing and strength estimating of metal to metal single step-lap adhesive bond structures are studied by means of acoustic emission (AE) technique.
应用声发射检测技术研究金属铝单搭接胶接结构的缺陷检测和强度估计问题。
3
But this photoresist was then peeled off, leaving only a pure metal on metalbond.