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2024年5月9日发(作者:)

超声无损检测术语

1范围

本标准界定了用于超声无损检测方法的术语,作为标准和一般使

用的共同基础。2一般术语

2.1声吸收acoustical absorption

2.2声各向异性acoustical anisotropy

2.3声阻抗acoustical impedance

2.4声影acoustic shadow

阴影区shadow zone

2.5衰减attenuation

声衰减sound attenuation

2.6声衰减系数attenuation coefficient

2.7声束轴线beam axis

2.8声束边缘beam edge

2.9声束轮廓beam profile

2.10声束扩散beam spread

2.11分贝decibel

db

2.12不连续discontinuity

2.13边缘效应edge effect

2.14远场far field

2.15缺陷flaw

defect

2.16界面interface

2.17背反射损失loss of back reflection 底波损失

2.18近场near field

菲涅耳区fresnel zone

2.19近场长度near field length

2.20近场点near field point

2.21传播时间propagation time

time of flight

声时

2.22反射系数reflection coefficient 2.23反射体reflector

2.24散射scattering

2.25声场sound field

2.26声速sound velocity

传播速度velocity of propagation 2.27检测频率test frequency

2.28超声声束ultrasonic beam 声束sound beam

2.29超声波ultrasonic wave

3与“波”相关的术语

3.1纵波longitudinal wave

压缩波compressional wave

3.2连续波continuous wave 3.3爬波creeping wave

3.4波型转换mode conversion mode transfomation

wave conversion

3.5板波plate wave

兰姆波lamb wave

3.6横波transverse wave

切变波shear wave

3.7球面波spherical wave

3.8表面波surface wave

瑞利波rayleigh wave

3.9波前wavefront

波阵面

3.10波长wavelength

3.11波列wave train

4与“角”相关的术语

4.1入射角angle of incidence 4.2反射角angle of reflection 4.3

折射角angle of refraction 4.4临界角critical angle

本文标签: 术语超声检测无损