Effect of vibration on weld metal hardness and toughness
Effect of vibration on weld metal hardness and toughness
复制标题
振动对焊缝金属硬度和韧性的影响
DOI：
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发表时间：
2005
期刊：
影响因子：
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通讯作者：
V. Gliha
中科院分区：
文献类型：
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作者：
B. Pučko;V. Gliha
通常对焊接部件施加振动以达到类似于消除热应力的效果。对于振动，受影响的不仅仅是残余应力。使用两种不同的焊接工艺，测量振动对焊缝硬度和韧性的影响。对于每种焊接工艺，在 -60 至 +20°C 的温度范围内制作了两个系列的夏比试样。这两个系列之间的唯一区别是在有或没有振动的情况下进行焊接。观察到焊缝金属硬度略有差异。韧性测量显示，在焊接过程中振动的样品中，冲击韧性增加，断裂韧性显着增加。
Vibration of welded parts is usually applied to achieve effects similar to thermal stress relief. With vibration, it is not only residual stresses that are affected. Using two different welding processes, the influence of vibration on hardness and toughness of the weld was measured. For each welding process, two series of Charpy specimens were made over the temperature range from -60 to +20°C. The only difference between the two series was in performing welding with or without vibration. Slight differences in weld metal hardness were observed. Toughness measurements show an increase in impact toughness and a significant increase in fracture toughness in samples which were vibrated during welding.