1、 KS B ISO 14096 2KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS 2 : KS B ISO 14096 2: 2007(2012 ) 2007 6 30 http:/www.kats.go.kr KS B ISO 14096 2: 2007 : ( ) ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2007 6 30 :2012 12 31 20120859 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS B ISO 1409
2、6 2 : 2007 (2012 ) 2: Non-destructive testingQualification of radiographic film digitisation systemsPart 2:Minimum requirements 2005 1 ISO 14096 2, Non-destructive testing Qualification of radiographic film digitisation systems Part 2: Minimum requirements , . 1 . , . , . 2 . . KS B ISO 5579, X KS B
3、 ISO 14096 1, 1: , , EN 444, Non-destructive testing General principles for radiographic examination of metallic materials by X-and gamma-rays EN 1435, Non-destructive examination of welds Radiographic examination of welded joints EN 12681, Founding Radiographic examination 3 . 3.1 (radiographic fil
4、m digitisation system) (digitiser) . B ISO 14096 2: 2007 2 a) ( ) b) ( ) 3.2 (pixel size), P ( ) ( ) 3.3 (optical density), D (1) (I0) (ID) D0lgIID = (1) 3.4 (spatial frequency), f . (lp/mm) . 3.5 (modulation transfer function), MTF (ESF) (FT) (KS B ISO 14096 1, 1 ). ( ). MTF X . 3.6 (digital resolu
5、tion) N 2N . 3.7 (density contrast sensitivity), DCS . ( ) . KS B ISO 14096 1 4.1.5 . 3.8 (density range), DR . ( , ). 3.9 (working range), DWR . . , , , . B ISO 14096 2: 2007 3 4 , DS, DB, DA . DS (SNR) : ( ) DB : ( ). DA : ( ). NDT . 1 , KS B ISO 14096 1 MTF 20 % . DS 4.2( DS( 1 ) MTF 20 % 4.2 lp/
6、mm( 2 ) 200 keV X , DB DA . 5 5.1 1 . DCS 0.02 (DCS) . . . 2 . 1 DS DB DA aDR0.54.5 0.54.0 0.53.5 12 10 10 DR (DCS) 0.02 0.02 0.02 a . 5.2 X ( 2 ) . B ISO 14096 2: 2007 4 2 DS DB DA keV m MTF 20 % lp/mm m MTF 20 % lp/mm m MTF 20 % lp/mm 100 15 16.7 50 5 70 3.6 100200 30 8.3 70 3.6 85 3 200450, Se-75
7、, Yb-169 60 4.2 85 3 100 2.5 Ir-192 100 2.5 125 2 150 1.7 Co-60, 1 MeV 200 1.25 250 1 250 1 1 KS B ISO 14096 1 , MTF 20 % . 2 (aliasing) MTF . 3 70 keV DS 16.7 . . 5.3 KS B ISO 5579, EN 444, EN 1435 EN 12681 A B . 3 . 3 KS B ISO 5579, EN 444, EN 1435 EN 12681 , A B mm DS DB DA 5 B A 5 B B A DB . . 2
8、: 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS B ISO 14096 2: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Non-destructive testing Qualification of radiographic film digitisation systemsPart 2: Minimum requirements ICS 37.040.25 Korean Agency for Technology and Standards http:/www.kats.go.kr
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1