BS EN 12668-2-2001 中文版 无损检测-超声检验设备的特性与认证-第2部分：探头

EN12668-22001.10--20.5-15MHzEN12668-31234566.16.277.17.27.37.47.5-7.67.77.87.97.107.11A()B()-EN12668-1--1-EN12668-2--2-EN12668-3--3AB10.5~15MHza)b)592050m/s325530m/sEN12668-3EN12668-32EN1330-4--4EN12223--1EN12668-1--1EN12668-3--3EN27963-2ISO7963:1985ENISO9001-ISO9001:1994ENISO9002-ISO9002:19943EN1330-43.1deadzone3.2focaldistancenearfieldlength3.3horizontalplaneofasoundbeam3.4operatingfrequencyf0centrefrequency-6dBfuflf0=(fufl)1/23.5-peak-to-peakamplitudell13.6probedatasheet3.7pulseduration10%13.8referenceside3.9relativebandwidthfrelfuflf0=[(fu-fl)/f0]x100%3.10squintangleforstraight-beamprobes233.11transducer3.12verticalplaneofasoundbeam4a)b)c)5a)ENISO9001ENISO9002b)51I=M=C=11IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIITRIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII=M=C=MMMMMM()MMMMMMMMMMMMMMM,MMMMMMMMMMMMMMMMMMMMMMMMMMMMMM-M,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,C,MMMMMMMMMMMMMMMI=M=C=M,C=MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM,M,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CM,CMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMI=M=C=M,C=non-f.=66.17/EN12668-12/a)100MHzb)100MHzDFT/c)d)-EMAe)f)0.5mm6.2a)R12~200mmR21/2EN27963100mmb)3mm4a-lhw-d1d2...-s26dB-EN27963c)4b4c4dEN27963d)Ae)f)0.05mmg)22MHzdmm3f15d30.5f33d5h)107.7.2.2i)-XYZ-j)1213XYZ100mm0.1mm7.720233b.w.50%100%f0mmf0MHzb.w.%10203040506070809010015020025030035040050000000111112223351000111222333567910115001112223335679101110100134567891011162124283134501123445667101315182023151003681013151719212330374247505450134567891011162124283134201005101317212427293234445156616467502467911121415172329343841452510071420242933363942455562677074765036810131517192123303742475054301001019263237414548515464707478808277.17.1.17.1.20.05mm7.27.2.1513a)1.5b)c)1-7.2.210%7.37.3.17.2(-)6dB3fuflf0f0=(fufl)1/2..........(1)f=fu-fl..........(2)frel=(f/f0)x100%..........(3)7.3.210%-6dB15%flfu3dB100%fl+10%fu-10%7.47.4.1/Srel=20log10(Vc/Va)..........(4)Vc-Va7.2-7.4.23dB7.5-7.5.14-4--7.7.240%-20%6dB-10%12dB-5%18dB--6a)----DGS6b)3mm-7.5.2dB3mm3dB7.67.6.1///EN12668-1100mm///30%-7.6.220%7.77.7.16.1f)6.2g)7.2a)-7.7.27~11b)-7.7.3C-7.7.3XY-1213XY-7.7.2-7.7.2.1a)b)12b)137.7.2.2-7.7.2.2.1Z014Z-X-Y-ZpVpFD=Zp-Z0..........(5)Vp6dB3dBZL1ZL2Z-FL=ZL2-ZL1..........(6)7.7.2.2.215%7.7.2.3-7.7.2.3.17.7.2.27.7.2.2X-X-X1X26dB3dBY-X-Y-Y1Y26dB3dBX-Y-WX1=X2-X1WY1=Y2-Y1..........(7)7.7.2.3.215%7.7.2.4-7.7.2.4.17.7.2.3a)7.7.2.3WX1WX2b)7.7.2.2ZL2X-Y-VL6dB3dBX1X2Y1Y2WX2=X2-X1WY2=Y2-Y1..........(8)XYYX=arctan[(WX2-WX1)/2(ZL2-Zp)]YY=arctan[(WY2-WY1)/2(ZL2-Zp)]..........(9)7.7.2.4.210%17.7.3-7.7.3.1a)b)Vp0dB0dB-3dB-6dB-12dBa)XZ-YZ-b)XYXYXY-7.7.3.2-7.7.3.2.112b)13a)b)XZ-YZ-XY6dB3dBC-a)FD7.7.2.2b)FL7.7.2.2157.7.3.2.215%7.7.3.3-7.7.3.3.17.7.3.212b)13a)Z-7.7.3.2XYb)XYVp20dB10dBWX1WY1XYVp6dB3dB16ZL27.7.3.2WX2WY2WX1WY1XY7.7.2.47.7.3.3.210%115%7.87.8.17.8.27.8.2.1a)-EMA17EMAEMA-3dB17abb)3mm4a)-6dB-6dBc)10mm4c)-6dB7.8.2.210%0.520dB10dBEMA7.8.37.8.3.12a)-EMA2EMAEMAXcYcYmEMAXme:e=[(Xm-Xc)2+(Ym-Yc)2]1/2..........(10)b)XmYm7.8.2.1b)XcYce7.8.3.1a)xy=tan-1(siny/sinx)..........(11)7.8.3.221mm7.8.47.8.4.1Af02mm3mm-7.8.4.220%7.8.57.8.5.1EMA7.8.2a)-EMA3dB7.8.2.1a)b)7.8.2.1b)6dBc)7.8.2.1c)6dB7.8.5.210%7.8.67.8.6.17.57.8.4-6dB7.8.6.220%7.97.9.17.9.27.9.2.17.9.2.21mm15mm2MHz2mm7.9.37.9.3.17.8a)-EMAEMA-3dB17C-18EMA4545C-b)3mm4a)6dB-6dBA4b)45606dBc)10mm4d)6dB-6dB7.9.3.22MHz32MHz210%0.5456520dB15dBEMA10dB8dB7.9.47.9.4.1a)-EMA7.8.333EMAEMAXmEMAXcee=(Xm-Xc)cos..........(12)b)7.8.31917.9.4.221mm7.9.57.9.5.17.8.4f0A7.8.58-6dB7.9.5.220%7.9.67.9.6.1EMA7.8.2a)-EMA3dBb)7.8.2.1b)6dB7.10.5.1b)c)7.8.2.1c)6dB7.9.6.210%7.9.77.9.7.17.57.8.5-6dB7.9.7.210%7.107.10.17.10.27.10.2.1EN12668-1-80%80%7.10.2.230dB7.10.37.10.3.17.5-10mm3mm-87.10.3.220%7.10.47.10.4.17.5-6dB7.10.4.220%7.10.57.10.5.1a)-EMA7.9.3EMAdB-6dB6dBb)3mm3mm6dB-6dBc)10mm6dB-6dB7.10.5.220%7.117.11.17.11.27.11.2.17.10.27.11.2.230dB7.11.37.11.3.17.9.27.11.3.21mm7.11.47.11.4.1EMAa)-EMA7.9.3EMAdB6dB6dBb)3mm7.9.3c)10mm7.9.37.11.4.227.11.57.11.5.17.10.38-7.11.5.220%7.11.67.11.6.17.10.47.11.6.220%7.11.77.11.7.17.10.5EMA3mm10mm7.11.7.210%1-h—-L—2-12EMA3e3-12EMA3e4a)-3mmmm4b)-mm4c)-mm5-123456a)--ABDmmGdB6b)-3mm-AB3mmCDmmfGdB7-1Z8-GdBZFDFL9-FDFL1dB2mm10-a)b)AFW1XY11-a)b)A1XY12a)-12345678912b)-12345678913-12345678914-Z012Z15-C-1FD2FL16-C-1XWX2YWY17-1234EMA567dB18-EMAa)b)C-1EMA2319-123ABA()f0A.1N0=Vb/(15.16f0sin2[])..........(A.1)VbN0ababaf0aeffaeff=(0.442Vb)/(f0sin[a])..........(A.2)bf0beffbeff=(0.442Vb)/(f0sin[b])..........(A.3)beff/aeffB.1kN0=(kaeff2f0)/(4Vb)..........(A.4)VbA.2f0ahVbN0h=Vb/(15.16f0sin2[γh])..........(A.5)N0a=Vb/(15.16f0sin2[γ])..........(A.6)=acos/cosN0hN0aaeffbeffaba)aaeff=(0.442Vb)/(f0sin[γa])..........(A.7)beff=(0.442Vb)/(f0sin[γ])..........(A.8)=hcos/cosb)aaeff=(0.442Vb)/(f0sin[γ])..........(A.9)=hcos/cosbeff=(0.442Vb)/(f0sin[γh])..........(A.10)beff/aeffA.1kN0=(kseff2f0)/(4Vb)..........(A.11)seffaeffbeffVbA.1-kkaB()B.14mmEN27963L-35°~65°-60°~75°-70°~85°B.1B.24535~653L4mm100mmB.3a)4mmB.3b)B.1-124mm34mmB.2-B.1L123abB.1B.1-B.2123()a(mm)d(mm)()a(