Journal of AE, Volume 23, 2005 (ca. 43 MB) - AEWG

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JOURNAL OF ACOUSTIC EMISSIONVOLUME 23, 2005VIEWING AN ARTICLE ON CD-ROMYou need a software that can read a pdf-file. Two folders are provided for Windows95/98/ME/2000/XP and for Macintosh. Each contains Adobe Acrobat Reader® Installer forrespective OS. Install one first before going further. You can also download the latest versionfrom www.adobe.com. Use of Adobe Acrobat ® (not provided) allows one to utilize the Searchfunction. This gives the power to search for a name or a word in the entire volume and is highlyrecommended.PDF Files: Contents are listed below. Individual papers have file names of 23-xxx.pdf, with xxxas their first page number.ISSN 0730-0050 Copyright©2005 Acoustic Emission Group Coden JACEDOCONTENTS23-001 EFFECTS OF NOISE ON LAMB-MODE ACOUSTIC-EMISSIONARRIVAL TIMES DETERMINED BY WAVELET TRANSFORMM. A. HAMSTAD and A. O’GALLAGHER 123-025 ACOUSTIC EMISSION TECHNIQUE FOR DETECTING DAMAGEAND MECHANISMS OF FRACTURE IN A KNITTED FABRICREINFORCED COMPOSITECARLOS R. RIOS, STEVE L. OGIN, CONSTANTINA LEKAKOU andK. H. LEONG 2523-037 QUANTITATIVE DAMAGE ESTIMATION OF CONCRETE COREBASED ON AE RATE PROCESS ANALYSISWILLIAM PROSSER, ERIC MADARAS, GEORGE STUDOR, andMICHAEL GORMAN 3723-047 MOMENT TENSORS OF IN-PLANE WAVES ANALYZED BYSIGMA-2DMASAYASU OHTSU, KENTARO OHNO and MARVIN A. HAMSTAD 4723-064 DEVELOPMENT OF AN OPTICAL MICRO AE SENSOR WITH ANAUTOMATIC TUNING SYSTEMHIROSHI ASANUMA, HIRONOBU OHISHI, and HIROAKI NIITSUMA 6423-072 DEVELOPMENT OF STABILIZED AND HIGH SENSITIVE OPTICALFIBER ACOUSTIC EMISSION SYSTEM AND ITS APPLICATIONHIDEO CHO, RYOUHEI ARAI and MIKIO TAKEMOTO 7223-081 HIGH PRECISION GEOPHONE CALIBRATIONMASAHIRO KAMATA 8123-091 DEVELOPMENT OF HEAT-RESISTANT OPTICAL FIBER AE SENSORPORNTHEP CHIVAVIBUL, HIROYUKI FUKUTOMI,I - 1
SHIN TAKAHASHI and YUICHI MACHIJIMA 9123-096 DAMAGE DETECTION SYSTEM FOR STRUCTURES WITHSMART AE SENSORSTAKAHITO YANASE and SEI IKEGAYA 9623-102 HIERARCHICAL FRACTURE PROCESS IN BRITTLE ROCKS BYMEANS OF HIGH-SPEED MONITORING OF AE HYPOCENTERXINGLIN LEI, OSAMU NISHIZAWA, ANDRE MOURA andTAKASHI SATOH 10223-113 MEASUREMENT OF HYDRAULICALLY ACTIVATED SUBSURFACEFRACTURE SYSTEM IN GEOTHERMAL RESERVOIR BY USINGACOUSTIC EMISSION MULTIPLET-CLUSTERING ANALYSISHIROKAZU MORIYA, HIROAKI NIITSUMA and ROY BARIA 11323-119 A MODELING METHOD ON FRACTAL DISTRIBUTION OFCRACKS IN ROCKS USING AE MONITORINGYOSHINORI WATANABE, KEN-ICHI ITAKURA, KAZUHIKO SATO,YOSHIAKI FUJII, RAO BALUSU, HUA GUO and XUN LUO 11923-129 INTERPRETATION OF RESERVOIR CREATION PROCESS ATCOOPER BASIN, AUSTRALIA BY ACOUSTIC EMISSIONYUSUKE KUMANO, HIROKAZU MORIYA, HIROSHI ASANUMA,NOBUKAZU SOMA, HIDESHI KAIEDA, KAZUHIKO TEZUKA,DOONE WYBORN and HIROAKI NIITSUMA 12923-136 MICROMECHANICS OF CORROSION CRACKING IN CONCRETEBY AE-SIGMAFARID A. K. M. UDDIN and MASAYASU OHTSU 13623-142 EVALUATION OF PARAMETER DEPENDENCIES OF AEACCOMPANYING SLIDING ALONG A ROUGH SIMULATEDFRACTUREKATSUMI NEMOTO, HIROKAZU MORIYA and HIROAKI NIITSUMA 14223-150 AE CHARACTERIZATION OF THERMAL SHOCK CRACK GROWTHBEHAVIOR IN ALUMINA CERAMICS BY DISC-ON-ROD TESTHUICHI WAKAYAMA, SATOSHI KOBAYASHI andTOSHIYA WADA 15023-156 FATIGUE DAMAGE PROGRESSION IN PLASTICS DURING CYCLICBALL INDENTATIONAKIO YONEZU, TAKAYASU HIRAKAWA, TAKESHI OGAWAand MIKIO TAKEMOTO 15623-164 EVALUATION OF FATIGUE DAMAGE FOR FRM WITH AE METHODMASANORI TAKUMA and NOBORU SHINKE 16423-173 ACOUSTIC EMISSION BEHAVIOR OF FAILURE PROCESSES OFGLASS-FIBER LAMINATES UNDER COMPLEX STATE OF LOADINGJERZY SCHMIDT, IRENEUSZ BARAN and KANJI ONO 17323-181 ROLLING CONTACT FATIGUE DAMAGE OF WC-Co CERMETSPRAYED COATING AND ITS AE ANALYSISJUNICHI UCHIDA, TAKESHI OGAWA, MIKIO TAKEMOTOYOSHIFUMI KOBAYASHI and YOSHIO HARADA 18123-189 BORON EFFECTS ON AE EVENT RATE PEAKS DURING TENSILEDEFORMATION OF Ni 3 Al INTERMETALLIC COMPOUNDK. YOSHIDA, Y. MASUI, T. NAGAMACHI and H. NISHINO 189I - 2
Page 4 and 5: 23-196 AE AND ELECTROCHEMICAL NOISE
Page 6 and 7: Volume 23 (2005) AUTHORS INDEXA. AN
Page 10 and 11: MEETING CALENDAR:The 49 th Meeting
Page 12 and 13: code [3-5]. The level of numerical
Page 14 and 15: 0.6(a)Amplitude, pm0-0.60 0.3 0.6 0
Page 16 and 17: 10S/N 1 to 20-1010S/N 1 to 1Displac
Page 18 and 19: Examination of the results in Table
Page 21: Based on the results in Table 6, we
Page 24 and 25: Fig. 7 Signal and WT of the signal.
Page 26: Then the absolute value differences
Page 29 and 30: two modes not being the same and bo
Page 31 and 32: 14. Comparison of Results with the
Page 36 and 37: understand the similitude on damage
Page 39 and 40: curve. During loading in this direc
Page 41 and 42: detected (i.e. interfacial debondin
Page 43 and 44: RTM material in course direction (9
Page 45 and 46: detected, at higher strain values t
Page 47 and 48: ACOUSTIC EMISSION DETECTION OF IMPA
Page 49 and 50: detected from this foam impact even
Page 51: Foam impact tests were also perform
Page 55 and 56:
Fig. 10 Key components of the Shutt
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MOMENT TENSORS OF IN-PLANE WAVES AN
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equired. So far, numerical solution
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Fig. 4 (a) Shear dislocation model,
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plate-like sample. In this case, th
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3. IN-PLANE THEORETICAL WAVEFORMS3.
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Fig. 11 Source model of out-of-plan
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Fig. 13 Slit model for a defect (di
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the large events, of which first ar
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Fig. 18 Crack orientations for shea
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the precise control of the gap leng
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3. Design and Fabrication of the Se
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Fig. 7: Interferometeric pattern fo
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Fig. 9: Trace and power spectral de
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2. Optical Fiber AE Sensor SystemA
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Fig. 4 Detected waves by the develo
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Fig. 10 Sensitivity distribution of
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Fig. 14 Experimental setup for dete
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HIGH PRECISION GEOPHONE CALIBRATION
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Fig. 3 Geophone response.the amplit
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Fig. 11 Imagenary short circuit.Fig
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Re22S0 12 0m0 0Z1= r +(14)222( )
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from G3. A geophone shakes the enti
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DEVELOPMENT OF HEAT-RESISTANT OPTIC
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2. Experiments2.1 Optical Fiber Sen
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Fig. 7 Detected quasi-AE waves.Fig.
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2. Outline of Damage Detection Syst
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Fig. 5 Outline of specimen (RN47) a
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2) The damage index transmitted fro
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microscopy [e.g., 1] or optical mic
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MPa. Under these conditions, a rock
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3. Damage Model Based on Sub-Critic
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in a positive relation. The larger
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well by the theoretical model consi
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MEASUREMENT OF HYDRAULICALLY ACTIVA
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Fig. 1 Source locations of induced
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P C means the increase of fluid pre
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A MODELING METHOD ON FRACTAL DISTRI
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as constant, Eight sensors were sel
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The number of AE events tends to de
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Fig. 10 Plan view of longwall minin
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Fig. 14 Crack distribution model of
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INTERPRETATION OF RESERVOIR CREATIO
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Fig. 2: Pumping data during the fir
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4. Focal MechanismWe observed the p
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AcknowledgementsThe seismic monitor
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Fig. 1 Arrangement of AE sensors an
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surface crack. Relations between AE
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4. ConclusionThe traces of the surf
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2. Sliding Experiments Using a Rock
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AE events accompanying sliding were
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though a limited number of m-values
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indicator for the contact state of
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2. Experimental Procedures2.1 Prepa
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Fig. 4 AE generation behavior and c
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1) The crack growth behavior under
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Fig. 1 AE monitoring system for cyc
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Fig. 4 (a) Surface photograph of in
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Fig. 8 Depth at lateral crack initi
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µm from the surface. This depth ag
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Fig. 1Conceptofthisstudy.following
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(b) By comparing the features in th
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ange K. From this result, it is und
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Figure 9 shows the relationship bet
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ACOUSTIC EMISSION BEHAVIOR OF FAILU
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Fig. 1. Statistical result of stren
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The AE signals indicating the onset
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occurrence of individual mechanisms
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ROLLING CONTACT FATIGUE DAMAGE OFWC
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and by 1.8 dB at 1 MHz. Without the
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Fig. 7 Sectional view of grooves at
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The analyzed locations are distribu
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BORON EFFECTS ON AE EVENT RATE PEAK
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Fig. 1 Stress-strain curves, AE eve
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Fig. 4 Relation between AE active s
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(2) Boron has a large strengthening
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produced during loading. Indentatio
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Fig. 3 Typical AE waveforms detecte
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formation. Thus, the crack morpholo
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Fig. 11 Examples of RD-type ENs wit
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(4) R. Ikeda, Y. Hayashi, M. Takemo
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averaged over a certain duration. O
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Fig. 3 Wavelet transform of continu
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Parameters used in time-series anal
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a minor contribution, but keeps the
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PRECURSOR OF HYDROIGEN INDUCED GLAS
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Table 1 Acoustic and elastic proper
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Fig. 5 Surface and transverse sketc
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Fig. 9 Chipped glass lining and sou
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ground coat. Crack volume and rise
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Figure 1 shows a schematic image of
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According to this process, the loca
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Fig. 5 Orientation dependence of th
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Fig. 9 Example of detected AE signa
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INVESTIGATION ON AE SIGNAL/NOISE PR
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Fig. 2 History of AE hit rates (upp
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Fig. 6 Source location of AE data i
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Fig. 9 Amplitude (upper) and hit ra
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Fig. 12 Amplitude (upper) and hit r
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EXAMINATION OF AE WAVE PROPAGATION
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Fig. 3 Waveguide for in water AE so
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and the rest through water, the obs
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INTEGRITY EVALUATION OF GLASS-FIBER
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Fig. 2 Deformation of GFRP vessel w
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Fig. 6 Load-deflection curves and c
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3.1 Test Vessels and Experimental P
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Fig. 12 Typical AE waves for vessel
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Fig. 15 Correlation between AE dura
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Fig. 1. Railway concrete piers to b
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Fig. 4 Arrangement of AE sensors wi
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5.2 Acoustic EmissionFig. 7 Develop
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Fig. 9 AE sources in three-dimensio
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Fig. 13 Amplitude distributions in
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4) T. Yasuda, S. Taniguchi, S. Kame
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Fig. 1 Water leakage in a joint sec
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A-FRQ(kHz)800600400200Normal Sectio
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ACOUSTIC EMISSION FOR FATIGUE DAMAG
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Fig. 3 Group velocity dispersion cu
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thick flange as shown in Fig. 8. Th
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Fig. 13 Relationship between load P
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PLASTIC REGION BOLT TIGHTENING CONT
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3. Experimental Results3.1 Result f
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4. Discriminant AnalysisMany noise
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Fig. 13 Cumulative AE counts select
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intra-grain mechanism, can also tak
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(a)(b)(c)(d)Fig. 4 AEsignals during
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where (σ - σ y ) is the decrease
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AN ACOUSTIC EMISSION TEST SYSTEM FO
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Fig. 1 Oxygen cylinder test system.
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5. Sensor FixtureThe sensor fixture
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Fig. 5 A block diagram of the test
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10. Experimental ResultsSeventy-one
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3. There was no indication at all o
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such modulated waveforms is difficu
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temperature distribution of the sam
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4.2 AE BehaviorFigure 4 shows a typ
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elatively low densification range.
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analysis applied for the evaluation
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• AE hits (Patterns) in the same
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3. Limitations, Errors and Classifi
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friction at the time just before th
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5. Pressure Spheres-AE/PR Case Stud
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6. Reactor Cool-Down - AE/PR Case S
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THE ACOUSTIC EMISSION HALON 1301 FI
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adius of the sphere). This definiti
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Second: any test, which did not det
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Fig. 3 Distribution of located even
Page 349 and 350:
The spacing between the clusters on
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This test is included as the system
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Journal of AE, Volume 23, 2005 (ca. 43 MB) - AEWG

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