Ultrasonic Testing of T-Joint Fillet Weld in Steel Construction
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摘要: 为了有效地监控T型贴角焊缝的内部质量, 通过理论分析和可靠性试验, 验证了T型贴角焊缝进行超声波探伤的可行性, 确定了T型贴角焊缝超声波探伤的探头角度, 设计制作了探头移动范围曲线(A-R)和闸门宽度范围曲线(A-S), 使缺陷的判断简单化, 并制订了该类焊缝的探伤工艺和缺陷的评定标准。Abstract: In order to control the internal quality of T-joint fillet weld effectively, the feasibility of ultrasonic testing method for T-joint fillet weld was verified through theoretical analysis and reliability experiments. Suitable probe angle was chosen. For judging defect simply, the A-R and A-S curves were designed and drawn. And testing technique and criteria for evaluation of defect were written.
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Keywords:
- T-joint fillet weld /
- Ultrasonic testing /
- Testing technique /
- Acceptance level /
- Steel construction
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[1] 张明升.T型接头角焊缝的超声波检测技术[J].水利电力机械.1992, 2(1): 31-36. [2] 陈育文, 季步.T型角焊缝的超声波探伤[J].无损检测, 1981, 3(4): 8-15. [3] 唐锦荣, 马礼广, 邓景燊.T型焊缝的手动超声波探伤[J].无损检测, 1990, 12(5): 130-134. [4] JG/T 203—2007 钢结构超声波探伤及质量分级方法[S]. [5] GB 11345—1989 钢焊缝手工超声波探伤方法和探伤结果分级[S].
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