ASTM E 1962_98 利用电磁声换能器EMAT技术进行超声表面检查的标准检测

ASTME1962-98(EMAT)1:TG115.28:C:167124423(2003)0323020611.1EMAT(:)1.21.3;,1.41.5,,1.6,SI1.7,,22.1ASTME5872E13162E1774(EMATs)2E1816(EMAT)22.2ANSIASNTSNTT-TC-1A3ANSIASNTCP-18932.3MIL-STD-410433.13.1.1E13163.23.2.13.2.2,,3.2.3,3.2.4EMAT,27320036NDTVol.27No.3June.20031234,(U.SGovermmentPrintingOffice),Washington,DC20402,11W.42ndSt.13thFloor,NewYork,NY10036.ASTM,VO103.03ASTME7,E07.061998710;199812©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,44.1:,4.21EMATB0,,EMAT,,,;,1,(),1EMAT4.32VR=2Df(1)VRDf24.4EMAT,,()55.1,EMAT,:EMATs5.2EMAT,,:,()5.3EMAT,:;;;5.4:,EMATPTMPT5.5EMATs,,:();EMAT;EMAT66.1NDT,:ANSIAS2NTCP189,SNTTC1A,MILSTD4106.2,6.3,126.4;,77.13EMAT1:133:ASTM(EMAT)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.;2:;3:7.2()()EMAT:,,,:,,7.33EMAT,,,EMAT,EMAT::,,,6dB37.44EMAT()EMAT()(),EMAT,,,(),():,,EMAT;45EMAT88.1EMAT;:(:2327©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.)()8.28.2.14.3,5,EMAT;,(0.0010.005)EMAT(),0.0010.002,,,8.2.21MHz;2MHz66EMAT78.3:8.4EMATB7;B(),;,,,;,8.5,EMATEMATAD()(),,,8.68.6.1:,8.6.2EMAT,,,8.6.38.6.3.1:,,,,8.6.3.2;8.6.3.3;8.6.3.4:8.6.3.5,333:ASTM(EMAT)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.99.1EMATs,,,:EMAT,,EMAT,9.2,()ATSM,EMAT9.3,,,89.4,,9.5,,9.6,4h,,EMAT,10%,9.7EMAT,,,9.8,EMATA9.9:9.109.10.19.10.2,E5871010.110.1.1EMAT,,10.1.2,EMAT10.1.3,EMATEMAT,()EMAT,,10.1.4,,EMAT,;,()10.1.5EMAT;:;(),,,,10.1.6,,,410%,10.210.2.1EMAT,,10.2.2,EMAT10.2.3,EMAT,EMATs,:EMATs,EMATsEMAT,EMAT,,10.2.44327©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,EMATEMAT;()10.2.5EMAT;:;(),,7.2,EMAT,10.2.6,,,4h10%,,;,;,4h10%,10.2.7,,6dB,,E2MATs,();,,,10.310.3.1EMAT,,10.3.2,EMAT10.3.3,EMAT,EMATs,:EMATs,EMATsEMAT,EMAT,,10.3.4,EMAT,;,()10.3.5EMAT;:;(),,,:,,,,10.3.6,,,4h10%,1111.1,1212.112.1.1;12.1.1.1;12.1.1.2;12.1.2ENAT,:;12.1.312.212.2.1;12.2.2;12.2.31313.1;EMAT;;(NDT);;;;533:ASTM(EMAT)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.