GOST R 55045-2012 Technical diagnostics Acoustic emission diagnostic Terms definitions and symbols《技术诊断 声发射诊断 术语 定义和符号》.pdf

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2、ions and symbols 201401011 , - . , . . , -, , , - . , . . .2 2.1 . 2.1.1 ; : (, ) - acoustic emission2.1.2 : , acoustic emission ofmaterial2.1.3 : , - () acoustic emission ofleak detection2.1.4 : , - acoustic emission offriction2.1.5 - ; : - , acoustic emissionmethod2.1.6 -: , - , acousto-ultrasonic

3、smethod2.1.7 - : - - acoustic emissiondiagnostic1 5504520122.1.8 - : - c - , acoustic emissiontesting2.1.9 - : - - acoustic emissionmonitoring2.1.10 ; : -, - source of acousticemission2.1.11 ; : , acoustic emissionsignal2.1.11.1 : - , - acoustic signal of AE2.1.11.2 : electric signal of AE2.1.12 : ,

4、 - / -burstacoustic emission2.1.13 : , - / continuous acousticemission2.1.14 : - / , mechanism of acousticemission generation2.1.15 -: , , - acoustic emissioninterference2.1.16 : , background noise2.1.17 : - , - - sensors noise2.2 2.2.1 : count of acousticemission signal2.2.2 ; N: - acousticemission

5、 count2.2.3 ; c188: acoustic emissioncount rate2.2.4 : (-) acoustic emissionevent2.2.5 : -, acoustic emissionimpulse2.2.6 ; Nc83: - acoustic emissionburst count2.2.7 ; c188c83: acoustic emissionevent rate2.2.8 : , , - , .intensity of AE /22.2.9 ; E: , , .energy of AE 2 5504520122.2.10 ; Ec: -, .ener

6、gy of AE source 2.2.11 ; A: - .AE signal amplitude 2.2.12 ; c227: C - , 1 signal level2.2.13 - ; u: , , 1 acoustic-emissiondecibels dBAE2.2.14 :, -impulse amplitudedistribution2.2.15 - : , - , , cumulative amplitudedistribution2.2.16 - : , - , umum+dum.differential amplitudedistribution - 2.2.17 : ,

7、 - AE signal start2.2.18 : , - , AE signal end2.2.19 : , AE signal rise time2.2.20 : , , AE impulse time decay2.2.21 : .AE impulse duration , - , , , (. 2.4.1), - - 2.2.22 : , (. 2.4.4), dead time2.2.23 ; : i- j- - interval arrival time2.2.24 -: , - effective velocity2.2.25 : , - examination zone3 5

8、504520122.2.26 ; : source location2.2.26.1 : ( ) , linear location2.2.26.2 : .planar location 2.2.26.3 : .3D location 2.2.26.4 : - .adaptive location 2.2.27 : - .zone location - : , , 2.2.27.1 -: , , , .independent channelzone location . 2.2.272.2.27.2 : - , - first-hit zone location2.2.27.3 - : , arrival sequencezone location2.2.28 : - .continuous AE signallocation :- , ;- , 2.2.29 : ( , ), - - indication of AEevent2.2.30