Acoustic Emission Science Map by Muravin

Acoustic Emission Science Map by MuravinTheoryAE phenomenonTypes of AEBurst AEContinuous AEMacro-scopic sources of AESources in crystalline materialsCrack growthFatigueCorrosion fatigueThermal fatigueHydrogen embrittlement crackingStress corrosion crackingDuctile crack propagationCreep and creep fatigue crackingPlastic deformation developmentFracturing and de-bonding of hard inclus ...Phase transformationsTwinningPittingGeneral corrosionSources in compositesFiber breakageMatrix crackingFiber-matrix debondingDelaminationFiber pull-out, relaxationFrictionSources in nonmetalsMicrocrackingGross crackingCrazingOther sources in nonmetalsOther sourcesPressure leaks; cavitationOxide and scale crackingFrictionLoose parts, intermittent contactLiquefaction and solidificationMicro-scopic sources of AEWave propagationWave modesWave propagation effectsMode conversion, reflection and refracti ...Wave velocity in materialAnisotropic propagation in compositesStructure boundary effectsAttenuationGeometric attenuationDispersionScattering, diffractionEffects of contained fluidsAttenuation due to energy loss mechanism ...Attenuation versus frequencyInterdependance between material propert ...Models of AE, Interdependance between fr ...Effects of AEDunegan corollaryFelicity effect and Felicity ratioKaiser effectKnowedge basePublicationsStandards and proceduresStandards organizationsStandards and procedures typesCompany-developed test proceduresWorking with codes, standards and proced ...Developing and writing new AE  standards ...Training, examining and certification of ...PatentsTerminologyAE comunity and organizationsTechnologyEquipmentSensorsSensing materials and their properties,  ...Sensor typesWideband flat response sensorsResonant response sensorsIntegral sensorsSingle endedDifferentialTest environment considerationsWave mode sensitivitySpecial sensors (directional, mode respo ...Sensors mounting techniquesAttachment devicesCoupling materials: selection and effect ... Waveguides: design considerations, effe ...Selection of sensors for specific applic ...Sensors calibrationMethods and significanceAbsolute and secondary calibrationCalibration equipment and calibration bl ...ReciprocitySimulated AE sourcesLead breakGlass capillarsPiezoelectric transducers and associated ...Gas jetPreamplfiers and cablesCablesCable typesCoaxialTwisted pairMultiscreenedOpticalShielding and factors governing cable se ...Cable length effects and limtationsNoise problems in cablesCables as transmission linesImpedance matchingConnectorsElectronic noisePreamplfiers types, gain, dynamic rangeMeasurement devicesTypes of AE systemsSignal digitation, pre-processing, filtr ...Signal processingHit detection techniquesThreshold typesContinous threshold independent data acq ...Parameters of AEData displaysPurpose and value of different displaysSelection of displaysAccessory instrumentationNoise and signal generatorsOscilloscopesApplicationsExamination procedureSensor placement methodologiesField sensor calibration after installat ...Selection of AE examination schemeLoading procedureEstablishing appropriate loading procedu ...Types of loadingMaximum test loadLoad holdsRepeated and programmed loadingsRate of loadingTest typesHydraulic testsHigh temperature/low temperature testsFatigue testsContinuous monitoringTests in high noise environmentsManaging background noiseBackground noise typesHydraulic noiseMechanical noiseCyclic noiseElectro-magnetic noiseMethods to handle noisesElectrical shielding and groundingFrequency descriminationGain and/or threshold adjustmentFloating thresholdAcoustical insolation, prevention of fri ... Guard channelsRise Time and other parameter based disc ...Results interpretation and evaluationNoise filteringFrequency based filteringHit parameters based filteringTime-based filteringData evaluationData interpretation and flaw assessmentExamination reportPurposeContent and structureFlaw typesExamination approachesLocation of AE sourcesLinear locationZone locationGuard channelsCross-correlation methodsPlanar locationModal and frequency based location metho ...NDE confirmations and verificationsNDE methods fundamentalsChoice of appropriate NDE methodsMethods for comparision between AE and o ...Application typesCommon material studiesCrack growthStress corrosion and hydrogen embrittlem ...Dislocation movement in metalsDeformation mechanisms (composites)Phase transformation and phase stabilityDuctile/brittle transitionCreepCorrosionFatigue testsRupture testCommon structural applicationsPressure vessels and storage tanks (meta ...Piping and pipelinesReactorsBridges, tunnels, buildingsLeak detection and monitoringCranes and bucket tracksLandslide, minesAerospacePumps, valves, etc.Rotating machineryProcess controlIn-process weld monitoringConcrete dryingPhase transformationsPlant and laboratory safety regulations, ...Methods of data analysisBasic statistics and random variablesBasic statistical conceptsRandom variablesExpectation functionsMulti dimensional random variablesRandom processSpectral characteristics of a random pro ...Principles in estimation and fittingStatistical testingStatistical distributionsStationary and no-stationary processesSignal processingDiscrete time signal analysisData filteringFFT spectral analysisPattern recognitionClassifiersFeature extractionFeature generation and dimension reducti ...ClusteringClass separability measuresSource function determination by deconvo ...WaveletsNeural networksTechnological advantages of AE and limit ...Material scienceMaterialsMaterial propertiesFracture toughnessStrengthStress and strain (including triaxial, r ...Elastic and plastic deformationDynamic behaviourMaterials constitutionCrystalline/noncrystallineIsotropic/anisotropicMetals/composites/otherFracture mechanicsFracture mechanismsParameters of fracture mechanicsDynamic fracture mechanicsManufacturing and processingWeldmentsCasting
hideAcoustic Emission Science Map by Muravin
leafAE phenomenon
hideTypes of AE
leafBurst AE
leafContinuous AE
hideMacro-scopic sources of AE
hideSources in crystalline materials
hideCrack growth
leafCorrosion fatigue
leafThermal fatigue
leafHydrogen embrittlement cracking
leafStress corrosion cracking
leafDuctile crack propagation
leafCreep and creep fatigue cracking
leafPlastic deformation development
leafFracturing and de-bonding of hard inclusions
leafPhase transformations
leafGeneral corrosion
hideSources in composites
leafFiber breakage
leafMatrix cracking
leafFiber-matrix debonding
leafFiber pull-out, relaxation
hideSources in nonmetals
leafGross cracking
leafOther sources in nonmetals
hideOther sources
leafPressure leaks; cavitation
leafOxide and scale cracking
leafLoose parts, intermittent contact
leafLiquefaction and solidification
leafMicro-scopic sources of AE
hideWave propagation
leafWave modes
hideWave propagation effects
leafMode conversion, reflection and refraction
leafWave velocity in material
leafAnisotropic propagation in composites
leafStructure boundary effects
leafGeometric attenuation
leafScattering, diffraction
leafEffects of contained fluids
leafAttenuation due to energy loss mechanisms
leafAttenuation versus frequency
leafInterdependance between material properties and associated AE
leafModels of AE, Interdependance between fracture mechanics and AE parameters
hideEffects of AE
leafDunegan corollary
leafFelicity effect and Felicity ratio
leafKaiser effect
hideKnowedge base
hideStandards and procedures
leafStandards organizations
leafStandards and procedures types
leafCompany-developed test procedures
leafWorking with codes, standards and procedures
leafDeveloping and writing new AE standards and procedures
leafTraining, examining and certification of AE personnel
leafAE comunity and organizations
leafSensing materials and their properties, piezo-electricity
hideSensor types
leafWideband flat response sensors
leafResonant response sensors
leafIntegral sensors
leafSingle ended
leafTest environment considerations
leafWave mode sensitivity
leafSpecial sensors (directional, mode responsive, accelerometers)
hideSensors mounting techniques
leafAttachment devices
leafCoupling materials: selection and effective use
leaf Waveguides: design considerations, effect on signal
leafSelection of sensors for specific applications
hideSensors calibration
leafMethods and significance
leafAbsolute and secondary calibration
leafCalibration equipment and calibration blocks
hideSimulated AE sources
leafLead break
leafGlass capillars
leafPiezoelectric transducers and associated electronics
leafGas jet
hidePreamplfiers and cables
hideCable types
leafTwisted pair
leafShielding and factors governing cable selection
leafCable length effects and limtations
leafNoise problems in cables
leafCables as transmission lines
leafImpedance matching
leafElectronic noise
leafPreamplfiers types, gain, dynamic range
hideMeasurement devices
leafTypes of AE systems
leafSignal digitation, pre-processing, filtration
hideSignal processing
leafHit detection techniques
leafThreshold types
leafContinous threshold independent data acquisition
leafParameters of AE
hideData displays
leafPurpose and value of different displays
leafSelection of displays
hideAccessory instrumentation
leafNoise and signal generators
hideExamination procedure
leafSensor placement methodologies
leafField sensor calibration after installation
leafSelection of AE examination scheme
hideLoading procedure
leafEstablishing appropriate loading procedures
leafTypes of loading
leafMaximum test load
leafLoad holds
leafRepeated and programmed loadings
leafRate of loading
hideTest types
leafHydraulic tests
leafHigh temperature/low temperature tests
leafFatigue tests
leafContinuous monitoring
leafTests in high noise environments
hideManaging background noise
hideBackground noise types
leafHydraulic noise
leafMechanical noise
leafCyclic noise
leafElectro-magnetic noise
hideMethods to handle noises
leafElectrical shielding and grounding
leafFrequency descrimination
leafGain and/or threshold adjustment
leafFloating threshold
leafAcoustical insolation, prevention of friction
leaf Guard channels
leafRise Time and other parameter based discrimination methods
hideResults interpretation and evaluation
hideNoise filtering
leafFrequency based filtering
leafHit parameters based filtering
leafTime-based filtering
leafData evaluation
leafData interpretation and flaw assessment
hideExamination report
leafContent and structure
leafFlaw types
leafExamination approaches
hideLocation of AE sources
leafLinear location
leafZone location
leafGuard channels
leafCross-correlation methods
leafPlanar location
leafModal and frequency based location methods
hideNDE confirmations and verifications
leafNDE methods fundamentals
leafChoice of appropriate NDE methods
leafMethods for comparision between AE and other NDE results
hideApplication types
hideCommon material studies
leafCrack growth
leafStress corrosion and hydrogen embrittlement cracking
leafDislocation movement in metals
leafDeformation mechanisms (composites)
leafPhase transformation and phase stability
leafDuctile/brittle transition
leafFatigue tests
leafRupture test
hideCommon structural applications
leafPressure vessels and storage tanks (metal and composite)
leafPiping and pipelines
leafBridges, tunnels, buildings
leafLeak detection and monitoring
leafCranes and bucket tracks
leafLandslide, mines
leafPumps, valves, etc.
leafRotating machinery
hideProcess control
leafIn-process weld monitoring
leafConcrete drying
leafPhase transformations
leafPlant and laboratory safety regulations, hazards
hideMethods of data analysis
hideBasic statistics and random variables
leafBasic statistical concepts
leafRandom variables
leafExpectation functions
leafMulti dimensional random variables
leafRandom process
leafSpectral characteristics of a random process
leafPrinciples in estimation and fitting
leafStatistical testing
leafStatistical distributions
leafStationary and no-stationary processes
hideSignal processing
leafDiscrete time signal analysis
leafData filtering
leafFFT spectral analysis
hidePattern recognition
leafFeature extraction
leafFeature generation and dimension reduction
leafClass separability measures
leafSource function determination by deconvolution/Green's
leafNeural networks
leafTechnological advantages of AE and limitations
hideMaterial science
hideMaterial properties
leafFracture toughness
leafStress and strain (including triaxial, residual, thermal)
leafElastic and plastic deformation
leafDynamic behaviour
hideMaterials constitution
hideFracture mechanics
leafFracture mechanisms
leafParameters of fracture mechanics
leafDynamic fracture mechanics
hideManufacturing and processing