Weld access hole geometry and size have significant effect on ductility and failure mode of the connection.
节点局部构造尤其是焊接孔形状尺寸对于节点应力集中情况和节点破坏模式有很大影响。
The development procedure of the milling machine on line used in production of weld H type section steel was described in details, including the design idea, structure mode and working principle.
详细阐述了焊接H型钢生产线在线铣削机研制过程中的设计思想、结构形式和工作原理，介绍了设备的结构特点和使用效果。
Some experiments, including weld deviation experiment, A-TIG welding experiment with DCSP mode and FBTIG welding experiment, are made to study the mechanism of activating flux improving penetration.
通过焊接偏移试验、直流正接A-TIG焊试验和FBTIG 焊试验研究了活性剂增加熔深的机理。
The results show that the crack initiates at the outer surface of the weld comer and propagates into the steel base material with a high cycle fatigue mode.
钎焊焊缝的枝晶间显微疏松导致的应力集中与微裂纹效应以及近焊缝区母材晶粒长大是导管早期疲劳开裂的主要原因。
The results of experiments indicate that with short circuiting transfer mode, sound weld can be achieved in high speed welding.
试验结果表明，采用短路过渡焊接可以有效地防止驼峰焊道的产生，提高焊接速度。
The strain mode based approach to identify weld damage in members of steel structure automatically is demonstrated in present paper.
研究了基于应变模态的钢结构构件焊缝损伤的自动识别方法。
The result shows that the fracture mode is low stress brittle fracture. The fracture is mainly caused by needle type martensite in the heat affected zone of the weld joint.
结果表明，在连接杆焊缝附近的热影响区中存在大量针状马氏体组织，在低应力的作用下，导致材料发生脆性断裂。
The approaches to identify and locate weld damage in members of steel structure are discussed by using strain mode in this paper.
本文主要采用神经网络方法，依据结构的应变模态理论，对钢结构构件的焊缝损伤的自动识别问题进行了综合的研究。
The approaches to identify and locate weld damage in members of steel structure are discussed by using strain mode in this paper.
本文主要采用神经网络方法，依据结构的应变模态理论，对钢结构构件的焊缝损伤的自动识别问题进行了综合的研究。
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