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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超声波探伤仪http://www.chaoshengbotanshangyi.org 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 |
