在役超高压水晶釜的超声波检测

(,365000)ULTRASONICINSPECTIONOFSUPERHIGHPRESSURECRYSTALVESSELSINSERVICEZhangZhichao(SanmingResearchInstituteofBoilerandPressureVessel),20,,11.1150160MPa,137147MPa,400,400,240280mm,79119mm,5000mm,PCrNi3MoVA(708)1.280%,,,3050d1,,11.25NNaOH,1.3(1),(2)K,,(3)K1,22.1JB47302.2,3412.2K11,,,,,,10mm(2)1227222620006NDTVol.22No.6June2000©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.K1,JB47309,dB3,1,3b,,1mm2dB,,3mm(3mm),,2,,13mm,2(,1),,,32.3K,(4),,2.3.10.57,(0.8),,BSsinBSröR(5)45,AI=27.6,BSI=33.21,,280mm116119mm,12,,,1mmmmö()240799933.2225088.510133.60260839136.7027010911533.3028011611932.702.3.2,(6),K,T,d,HL,d,HL,(2);H,dL,K(3)3372:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.6d,HL23mmdHLdHL109.87.29075.998.02019.515.110081.5114.83028.823.811086.3132.84037.833.412090.1152.15046.544.013092.9172.46054.755.714094.5193.47062.468.515095.0214.78069.582.63K=0.69=250mmT=95mm33mmHK=0.67K=0.68K=0.69dLdLdL1010.17.010.17.210.17.32020.415.020.415.320.515.53031.124.231.124.631.225.04042.234.742.335.342.335.95053.847.054.047.954.148.76066.261.866.563.066.764.27079.880.280.281.980.783.68095.4104.396.2117.397.0109.790115.4140.3117.3145.4119.4151.13=250mmT=95mm3.1,,,7,,3mm1mm,GBöT1125973.2BS,,dB3.2.1bK(1)K=0.68(BS=34.2),,CSK2IAb0,,,1mm,b0+1mm,L,3,K,K3.2.2b(2)8,C,Dh1h2,AB,L1L2,RO,(R-h1)ADC,OOC,L1=L1(1)H=180(L2-L1)öPR=57.3(L2-L1)öR(2)OCD,OC=R-h1,OD=R-h2CD=[(R-h1)2+(R-h2)2-2(R-h1)(R-h2)cosH]1ö2sinGR-h2=sinHCDsinG=sinHR-h2CD472:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.8G=sin-1sinHõR-h2CD(3)ACO=180-GsinACO=sin(180-G)=sinGACO,sinBSOC=sinACORsinBS=sinGõR-h1RBS=sin-1sinH(R-h1)(R-h2)CDõR(4)E=G-BSE=180PR(b+L1)=57.3R(b+L1)b=ER57.3-L1bBSbBS,1bK4dB,V,,V30mm3mm,dB1mmdB$,dB$,,6dB5(1),(2),,(3),,,,(4)1,,,,,(5)K,30mm,,65K30mm:1999211230(262),,,,,(3)(),,,,1,,..,1997,19(5):87-942..:,1982.3R,..:,1982.4,..:,1992.5,.().,1992(3):408-4126..,:1992.:1999207219572:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.