INSTRUMENTEDIMPACTTESTINGAsymposiumpresentedattheSeventy-sixthAnnualMeetingAMERICANSOCIETYFORTESTINGANDMATERIALSPhiladelphia,Pa.,24-29June1973ASTMSPECIALTECHNICALPUBLICATION563T.S.DeSisto,symposiumchairmanListPrice$21.7504-563000-23(~~l~AMERICANSOCIETYFORTESTINGANDMATERIALS1916RaceStreet,Philadelphia,Pa.19103CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:16:21EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.�9byAMERICANSOCIETYFORTESTINGANDMATERIALS1974LibraryofCongressCatalogCardNumber:74-81158NOTETheSocietyisnotresponsible,asabody,forthestatementsandopinionsadvancedinthispublication.PrintedinTallahassee,Fla.October1974CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:16:21EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.ForewordThesymposiumonInstrumentedImpactTestingwaspresentedattheSeven-ty-sixthAnnualMeetingoftheAmericanSocietyforTestingandMaterialsheldinPhiladelphia,Pa.24-29June1973.CommitteeE-28onMechanicalTestingsponsoredthesymposium.T.S.DeSisto,ArmyMaterialsandResearchCenter,presidedassymposiumchairman.CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:16:21EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.RelatedASTMPublicationsImpactTestingofMetals,STP466(1970),$21.25(04-466000-23)CopyrightbyASTMInt'l(allrightsreserved);MonDec2111:16:21EST2015Downloaded/printedbyUniversityofWashington(UniversityofWashington)pursuanttoLicenseAgreement.Nofurtherreproductionsauthorized.ContentsIntroduction1ProceduresandProblemsAssociatedwithReliableControloftheInstrumentedImpactTest-D.R.IRELAND3InstrumentationComponents4Background5FrequencyResponse8Procedures15Conclusions27Load-PointComplianceoftheCharpyImpactSpecimen-H.J.SAXTON,A.T.JONES,A.J.WEST,andT.C.MAMAROS30AnalyticalProcedures33ExperirnentalProcedures34Results36Rel...
