
[材] 超声波检查
From a certain size, defects of this type can be detected by ultrasonic inspection before delivery.
在一定的尺寸范围内,通过超声波探伤可检测到此类缺陷。
This paper introduced the distribution and pattern of two conceal defects in explosive welding stainless clad steel plate and their ultrasonic inspection.
本文主要介绍了爆炸焊接不锈钢复合板中两种隐蔽性缺陷的形态、分布规律以及超声波检测。
The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.
采用纵剪带钢生产小口径螺旋焊管时,超声波检验经常在焊缝的一侧发现缺陷波,而X射线拍片检验却很难发现。
Research on the signal digitalization processing for ultrasonic inspection of train wheels is described including the design idea, composition and application results of the system.
介绍车轮超声波探伤信号数字化处理的研究,以及系统的设计思想、构成和现场应用效果。
According to the technology and configuration of the vacuum braze welding metal honeycomb parts, the technique of ultrasonic inspection for them was stu***d.
针对金属蜂窝真空钎焊件的工艺及结构特点,探讨了利用超声波法对其质量进行检测的可行性和可靠性。
According to the theory of ultrasonic inspection, the principle of flow inspection using multi pulse circulation method was discussed.
根据超声波探测理论,讨论了多脉冲循环法用作非接触式流量检测的原理。
Ultrasonic inspection of the material used for the above mentioned components.
对用于以上部件的材料的超声检测。
The recognition of surface faults in ultrasonic inspection of oil and gas pipeline is investigated.
研究了石油天然气长输管道内腐蚀超声检测中的表面缺陷识别问题。
The application of PLC in the automatic ultrasonic inspection of LSAW can greatly improve the accuracy and efficiency of inspection, and is helpful for raising the welding quality and productivity.
将可编程序控制器(PLC)应用于LSAW自动超声检测系统,可极大地改善焊管检测效率和可靠性,有益于提高焊缝质量和生产效率。
End of the seam welding have been injured on-line continuous automatic ultrasonic inspection apparatus, ensuring 100% coverage of spiral weld NDT.
焊完的焊缝均经过在线连续超声波自动伤仪检查,保证了100%的螺旋焊缝的无损检测覆盖率。
Carotid atherosclerotic plaques were defined by cervical vascular color ultrasonic inspection.
颈动脉粥样硬化斑块经颈部血管彩色超声检查确定。
Methods: 30 patients with old ectopic pregnancy validated by surgery and abdominal speculum were chosen to review their data of ultrasonic inspection.
方法:选择临床疑诊为陈旧性宫外孕,后经手术或腹腔镜证实的30例病例,对其超声检查资料进行回顾性分性。
As compared with same international detectors used for railway ultrasonic inspection, this new one has 5 new designs that have the highest speed.
通过五项新型设计,该探轮的技术水平应为目前国际同类产品最高速度水平。
The technology of ultrasonic inspection is the mature application technology. It is widely used for the inner defect of mechanical parts.
超声波探伤技术是一项成熟的应用技术,在机械零部件内部缺陷检测方面得到了广泛的应用。
While using pulse reflection method to do ultrasonic inspection, it is difficult to analyze the defect quantificationally and qualitatively through equivalence sample and currency AVG curve.
应用脉冲反射法进行超声波探伤时,使用当量试块或通用AVG曲线对缺陷定性、定量分析均存在一定困难。
Objective To explore the ultrasonic inspection and prevention of fetal hydrops induced by blood type incompatibility between mother and embryo.
探讨母儿血型不合致胎儿水肿的超声检查及预防对策。
Aimed at internal defect ultrasonic inspection for sculptured surface parts, the paper presented a new nearly arc-length approach to path generation.
针对复杂曲面工件内部缺陷的超声检测,提出了一种新的近似等弧长超声检测轨迹生成算法。
A new digital automatic ultrasonic inspection system is presented.
介绍了一种新型数字化超声波自动探伤系统。
Methods 25 patients who had foreign body inside the digestive tract but the X-ray exploration was negative, were exarnined with ultrasonic inspection with high and Iow frequency detecting head.
方法对25例有明确异物吞入史,但X线探查为阴性的患者,运用超声高、低频探头对可疑部位进行探查定位。
Based on the analysis of the structures and force of the lifting subs, this paper indicates that ultrasonic inspection is one kind of effective inspection for ensuring its quality.
在分析提升短节结构及受力的基础上,指出超声波无损检测是保证其质量的一种有效检测方法。
Consistent use of eddy current and ultrasonic inspection techniques on every roll after completed of the grinding process.
除此之外,在每支轧辊完成研磨后,必须使用涡电流探伤和超声波探伤去检测轧辊。
There are mainly two quality inspection techniques of TLP, i. e. radiographic inspection and ultrasonic inspection.
关于瞬时液相扩散焊的质量检测技术主要有两种,射线探伤和超声波检测。
Pressure equipment; Ultrasonic inspection; TOFD technique; Procedure requirements; Acceptance criteria.
承压设备;超声检测;TOFD;程序要求;验收标准。
|ultrasonic examination;[材]超声波检查
超声波检测(Ultrasonic Inspection) 是一种利用高频声波(通常高于人类听觉范围,即大于20 kHz)来探测材料内部结构、评估材料完整性或测量厚度的无损检测技术。其核心原理是向被检物体发射超声波脉冲,通过分析声波在材料内部传播时遇到界面(如缺陷、分层、其他材料)产生的反射、散射或透射信号的变化,来判断材料内部是否存在缺陷、测量缺陷尺寸、位置或材料厚度等。
详细解释与技术原理:
基本工作原理:
主要应用领域:
关键优势:
局限性:
权威参考来源:
Ultrasonic Inspection(超声波检测)是一种广泛应用于工业领域的无损检测技术,主要用于评估材料或结构的内部缺陷或性能。以下是详细解释:
定义与原理
超声波检测利用高频声波(通常超过20kHz)在材料中传播的特性。当声波遇到材料内部缺陷(如裂纹、气孔)或界面时,会反射、散射或衍射。通过接收和分析这些回波信号,可以确定缺陷的位置、大小和形状。例如,在焊缝检测中,超声波束进入金属后,若遇到裂缝,反射波会在仪器屏幕上形成特定脉冲波形,从而判断缺陷。
核心应用领域
技术优势
局限性
实例说明
例如,在工业焊接中,超声波检查可发现肉眼不可见的焊缝裂纹,如“超声波检查显示焊缝存在裂纹”(However, ultrasonic checks showed cracks in the seams)。
Ultrasonic Inspection通过声波特性实现材料内部缺陷的无损评估,是制造业、工程维护等领域的关键技术。如需进一步了解操作标准或具体案例,可参考专业检测手册或行业规范。
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