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开学励志语
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从的组词
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
自豪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
德黑兰宣言wave conversion
3.5板波plate wave
兰姆波lamb wave
3.6横波transver wave
切变波shear wave
3.7球面波spherical wave 3.8表面波surface wave
小初衔接
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
4.5扩散角divergence angle 指向角
5与“脉冲和回波”相关的术语5.1背面回波back wall echo back surface echo
背反射back reflection
底波bottom echo
b
5.2延迟回波delayed echo 5.3回波echo
反射reflection
5.4缺陷回波flaw echo
defect echo
f
不连续回波discontinuity echo
d
5.5幻影回波ghost echo
phantom echo
wrap-around
5.6草状回波grass
山东高考作文组织回波structural echoes
5.7界面回波interface echo
5.8多次回波multiple echo
多次反射multiple reflection
5.9脉冲pul
5.10侧面回波side wall echo
世界上最长的英语单词w
5.11干扰回波spurious echo
parasitic echo
少先队建队日5.12界面波surface echo
s
表面回波
5.13发射脉冲指示transmission pul indication t
