1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B ISO 15708 2 2: KS B ISO 15708 2:2008 2008 8 25 http:/www.kats.go.krKS B ISO 15708 2:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2002 10 21 : 2008 8 25 2008-0437 : : ( 025097270) (http:/www.kats.go.kr). 10 5 , . KS B ISO 15708 2:2008 2: Non-destr
2、uctive testing Radiation methods Computed tomography Part 2: Examination practices 2002 1 ISO 15708 2, Non-destructive testing Radiation methodsComputed tomography Part 2: Examination practices , . 1 (Computed Tomography, CT) . CT CT . , X . 2 . . ( ) . KS B ISO 15708 1, 1: 3 KS B ISO 15708 1 A . 4
3、CT . CT . CT . CT . 5. . a) b) c) KS B ISO 15708 2:2008 2 d) 1) 2) 3) 4) 6. CT . CT , , . , . CT , . CT 7. . CT 8. . 5 5.1 CT CT , . . 5.2 5.2.1 CT X X . X (X , ) . X , . , ( ) . 5.2.2 X mm m . . X . 5.2.3 , , , X . X . 5.2.4 (SR) SR , . KS B ISO 15708 2:2008 3 SR CT . SR 20 30 keV . CT X SR ( 1 mm)
4、 . 5.3 . , , . , . , . , . CT . , . 5.4 5.4.1 ( ) . . 5.4.2 X . 180 . , , X . . 5.4.3 . . 5.5 CT , . . KS B ISO 15708 2:2008 4 . CT . , . 5.6 CT . CT X . . . , . . a) ( , ). b) ( , ). c) . d) . . . , . KS B ISO 15708 1 . (FOV) . FOV . (ROI) . ROI . 5.7 . CT . CT . . . , . . . . . KS B ISO 15708 2:20
5、08 5 5.8 CT CT . . . , , . . . CT . CT . 5.9 5.9.1 CT . . , . . 5.9.2 . . 5.9.3 . . . CT . 5.9.4 . . 5.10 CT . “ ” CT . 6 6.1 6.2 6.5 . KS B ISO 15708 2:2008 6 6.2 . 6.3 6.3.1 . 6.3.2 . a) b) , , (rad) . c) , . d) e) f) g) h) i) j) k) , . l) ( , .) m) n) ( , ) o) p) 6.3.3 . a) ( , , , , ) b) X , , ,
6、 , c) ( ) d) , . e) ( ) f) g) h) ( ) 6.3.4 , , . KS B ISO 15708 2:2008 7 a) b) , c) CT (LUT) d) CT ( “ ” “ ”) e) , 6.3.5 CT , . a) b) 6.4 . CT . ( , , , 16 , 8 , ), . . 6.5 CT . CT , . a) CT , , , b) , , c) , ( , ) . d) 8. CT CT , . 7 7.1 CT , (: ) ( ) . CT . KS B ISO 15708 2:2008 8 a) , , b) : , ,
7、, c) : , , , d) : , , , , , e) : . . 7.2 7.2.1 . X , X . (SNR) X . SNR . , . . . 7.2.2 , . 1 X . 7.2.3 , X . . 7.2.4 X . X . , . , . . . . . . 7.2.5 CT , ( ), KS B ISO 15708 2:2008 9 . CT . KS B ISO 15708 1 . CT . . . . S, A L AS/(A S) , LS/(A S) . 1 . . . 2 . 7.3 7.3.1 , . CT . . a) b) / c) ( ) d) ( ) e) f) (KS B ISO 15708 1 .) X . 14 %( , 2 ) . . ( , , ) . X CT CT . X . . . . CT KS B ISO 15708 2:2008 10 . 7.3.2 7.3.2.1 . , . . (KS B ISO 15708 1 ). ( ) , CT . 7.3.2.2 ( ) X . . , . . . . . . , . 7.3.2.3 . CT . . , 2 . . . 7.3.2.4
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