GB/T 12604.4—2005/ISO 12716:2001
《无损检测术语声发射检测》
1 范围
沧州欧谱本标准界定了声发射检测的术语。
2 术语和定义
2.1 声发射acoustic emission
AE
应力波发射stress wave emission
微震动活动microseismic activity
2.2 声－超声acousto-ultrasonics
AU
2.3 声发射信号持续时间AE signal duration
2.4 声发射信号终止点AE signal end
2.5 声发射信号发生器AE signal generator
2.6 声发射信号上升时间AE signal rise time
2.7 声发射信号起始点AE signal start
2.8 阵列array
2.9 衰减attenuation
2.10 平均信号电平average signal level
2.11 声发射通道channel, acoustic emission
acoustic emission channel
2.12 声发射计数count, acoustic emission
acoustic emission count
振铃计数count, ring-down
ring-down count
发射计数emission count
N
2.13 事件计数count, event
event count
Ne
2.14 声发射计数率count rate, acoustic emission
acoustic emission count rate
发射率emission rate
计数率count rate
2.15 耦合剂couplant
2.16 分贝幅度dBAE
2.17 闭塞时间dead time
instrumentation dead time
2.18 累计幅度分布distribution, amplitude, cumulative (acoustic emission)
cumulative (acoustic emission) amplitude distribution
F(V)
2.19 累计过门槛次数分布distribution, threshold crossing, cumulative (acoustic emission)
cumulative (acoustic emission) threshold crossing distribution
Ft(V)
2.20 微分幅度分布distribution, differential (acoustic emission) amplitude
differential (acoustic emission) amplitude distribution
f(V)
2.21 微分过门槛次数分布distribution, differential (acoustic emission) threshold crossing
differential (acoustic emission) threshold crossing distribution
ft(V)
2.22 对数幅度分布distribution, logarithmic (acoustic emission) amplitude
logarithmic (acoustic emission) amplitude distribution
g(V)
2.23 动态范围dynamic range
2.24 有效声速effective velocity
2.25 突发发射emission, burst
burst emission
2.26 连续发射emission, continuous
continuous emission
2.27 声发射事件能量energy, acoustic emission event
acoustic emission event energy
2.28 评价门槛evaluation threshold
2.29 声发射事件event, acoustic emission (emission event)
acoustic emission event
2.30 监测区域examination area
2.31 检测范围examination region
2.32 费利西蒂效应Felicity effect
2.33 费利西蒂比Felicity ratio
2.34 浮动门槛floating threshold
2.35 撞击hit
2.36 沧州欧谱到达时间间隔interval, arrival time
arrival time interval
Δtij
2.37 凯塞效应Kaiser effect
2.38 集中区定位location, cluster
2.39 计算定位location, computed
adaptive location
2.39.1 线定位linear location
2.39.2 面定位planar location
2.39.3 三维定位3-D location
2.39.4 自适应定位adaptive location
2.40 连续声发射信号定位location, continuous AE signal
2.40.1 信号衰减源定位signal attenuation-based source location
2.40.2 相关源定位correlation-based source location
2.41 源定位location, source
2.42 区域定位location, zone
首次撞击定位first-hit location
2.42.1 独立通道区域定位independent channel zone location
2.42.2 首次撞击区域定位first-hit zone location
2.42.3 到达次序区域定位arrival sequence zone location
2.43 定位准确度location accuracy
2.44 过载恢复时间overload recovery time
2.45 处理能力processing capacity
2.46 处理速度processing speed
2.47 事件计数率rate, event count
event count rate
2.48 声发射传感器sensor, acoustic emission
acoustic emission sensor
声发射换能器acoustic emission transducer
2.49 声发射信号signal, acoustic emission
acoustic emission signal
发射信号emission signal
2.50 声发射信号幅度signal amplitude, acoustic emission
acoustic emission signal amplitude
2.51 信号过载电平signal overload level
2.52 信号过载点signal overload point
2.53 声发射特征signature, acoustic emission
acoustic emission signature
特征signature
2.54 激励stimulation
2.55 系统检测门槛system examination threshold
2.56 声发射换能器acoustic emission transducers
2.57 门槛电压voltage threshold
2.58 声发射波导waveguide, acoustic emission
acoustic emission waveguide
