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AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 11
Charpy TestCharpy Test
Prepare notched specimens (sets Prepare notched specimens (sets of 3)of 3)
Test each specimen set at a Test each specimen set at a specific temperaturespecific temperature
Impact sampleImpact sample Plot resultsPlot results
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 22
Charpy SpecimensCharpy Specimens
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 33
Typical Typical Charpy Charpy Testing Testing MachineMachine
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 44
Charpy Test ResultsCharpy Test Results
Energy absorption - Ft. lbs.Energy absorption - Ft. lbs. Percent shear - %Percent shear - % Lateral expansion - Mils Lateral expansion - Mils
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 55
Transition Transition Temperature Temperature
DeterminationDeterminationss
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 66Transition Temperature Transition Temperature SamplesSamples
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 77
Soundness TestingSoundness Testing
Bend testingBend testing Nick-breakNick-break Fillet breakFillet break
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 88Bend Test SamplesBend Test SamplesTransverse Weld Bend Transverse Weld Bend
SpecimensSpecimens
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 99Bend Test SamplesBend Test SamplesLongitudinal Weld Bend Longitudinal Weld Bend
SpecimensSpecimens
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1010
Guided Bend Test JigGuided Bend Test Jig
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1111
Wrap-Wrap-around around
Bend Test Bend Test JigJig
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1212
Bend Test ProcedureBend Test Procedure
Prepare samplePrepare sample Orient in jigOrient in jig Bend sample (weld and HAZ in Bend sample (weld and HAZ in
bend)bend) Evaluate bend to CodeEvaluate bend to Code
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1313
Nick Break TestNick Break Test
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1414Evaluation of Nick-Break Evaluation of Nick-Break TestTest
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1515
Fillet Break TestFillet Break Test
Prepare samplePrepare sample Break sampleBreak sample Evaluate fractureEvaluate fracture
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1616Fillet Break - Sample Fillet Break - Sample FractureFracture
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1717Fillet Break Specimen - T-Fillet Break Specimen - T-JointJoint
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1818
Fatigue TestingFatigue Testing
Prepare samplesPrepare samples Test series of various loadsTest series of various loads Test to failure, record cyclesTest to failure, record cycles Test at maximum load vs no failureTest at maximum load vs no failure Plot dataPlot data Determine endurance limitDetermine endurance limit
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 1919
Chemical TestingChemical TestingDetermines Chemistry of MetalsDetermines Chemistry of Metals
SpectrographicSpectrographic Combustion (CO, COCombustion (CO, CO22
determination)determination) Wet chemistry (titration)Wet chemistry (titration) X-Ray fluorescence (XRF)X-Ray fluorescence (XRF)
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 2020
Corrosion TestingCorrosion Testing
““Evaluates metals in corrosive Evaluates metals in corrosive environments”environments”
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 2121
Metallographic TestingMetallographic Testing
Shows structure of metalShows structure of metal Macroscopic - less than 10XMacroscopic - less than 10X Microscopic - typically more than Microscopic - typically more than
100X100X
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 2222
PhotomacrographPhotomacrograph
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 2323
PhotomicrographPhotomicrograph
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 2424
Heat Treatment - 1 of 3 Heat Treatment - 1 of 3
Mechanical properties are often very Mechanical properties are often very dependent upon heat treat conditiondependent upon heat treat condition
Many types of heat treatmentMany types of heat treatment Determine heat treat condition prior to Determine heat treat condition prior to
welding on base metal or mech. testingwelding on base metal or mech. testing Consider effects of welding on heat Consider effects of welding on heat
treat condition and mechanical treat condition and mechanical propertiesproperties
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 2525
Heat Treatment - 2 of 3 Heat Treatment - 2 of 3
Heat Treatments For Steels:Heat Treatments For Steels: PreheatingPreheating Stress RelievingStress Relieving NormalizingNormalizing AnnealingAnnealing Quenching and TemperingQuenching and Tempering OthersOthers
AA m e r i c a nm e r i c a n WW e l d i n ge l d i n g S S o c i e t yo c i e t y
Module 6 - Module 6 - 2626
Heat Treatment - 3 of 3 Heat Treatment - 3 of 3 Heat Treatments For Stainless Steels:Heat Treatments For Stainless Steels: PreheatingPreheating Stress RelievingStress Relieving Solution Annealing, Water Quench Solution Annealing, Water Quench
(Solution Treatment)(Solution Treatment) Quenching and TemperingQuenching and Tempering OthersOthers
More on heat treating in Module 8More on heat treating in Module 8