中厚板材超声波自动探伤方法研究

20062810,,(,400081):,,,:;;;;:TG115.28:A:100026656(2006)1020518203StudyofAutomaticUltrasonicFlawDetectingMethodforMediumandHeavySteelPlateFUSan2qiang,SUNYu2lan,SUYong2xin(TheElectronicLtd.ofChongqingSteel&IronGroup,Chongqing400081,China)Abstract:Theworkwastoresolvesomeproblemswhichpuzzledautomaticultrasonicflawdetecting.Thedesignofautomaticultrasonicflawdetectingwasexpatiatedandthemethodofscanningplatewasoptimized.Theprincipleandcharacterofthemulti2crystalprobewereexpatiated.Furthermore,amethodwasdevelopedtoimprovethesystemcapabilityofanti2jammingandavoiddistorting.Theworkemphasizedparticularlyoninnovatingnewmethodandtechnology.Keywords:Ultrasonicautomaticflawdetecting;Mediumandheavysteelplate;Oddandevenfieldscan;Multi2crystalprobe;Flawevaluation,,,;,100%,;,,1,,:2005205218:(1952-),,,,,,,,100%,;,;,,,,,()()()()1,100%,,,815:200628101,100%,(),22,()()()(,)()(),(),(),,,,,,,;,,;,,,,,,,22.13,T,R,,3,,,,,,4103,;,,,,2.2,,ZBY2311984,3CTS226(ZBY2311984)DB2D12.2.1,,ZBY231198411L0mmBL0B3dBBL0B19dBBL0SdBBL0B5.6dBL12L02L26dBmmR12555471222L0248R22544501122L0248R32555471222L0248R4255547116640102:BL0L0B33mmB1919mmSB5.65.6mm2.2.2,,(),,915:20062810,,,2,2mm2mm/dBR1R2R3R4mm/dBR1R2R3R43565756561262646462460595959156264646256160606219616263626616062622460616261762626262305960626186262626236596061609626464624258606058106264646248586060582.2.3(4)L0(L0=10mm,D=2mm),X,6dBW+XW-X33W+X+W-XmmW+X+W-XmmR112R314R214R4121,;2,,,,;3,,R2,,2.3,,100%,75%,,,,,,,,,,,,(),,,,,,,,,,,,1.7m,12mm,136,(),37,,3,,,,,,(557)025:200628103,1.5mm,,,(13)89mm,,,1314(14)4,,,,,,,:[1].[M].:,2002.[2].[M].:,2001.[3].[J].,2001,(1):44-46.(520),,,,A/D,,,,,,,,,,,,,,,,,,i,i/2,k(ik,),,/,,(,),,,,,,,:[1],,.[J].,2004,26(3):145-148.[2].[J].,1997,19(2):55-57.[3],.30[M].,1996,(5):17-19.755