1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 21227 4 4: KS M ISO 21227 4:2012 2012 8 20 http:/www.kats.go.krKS M ISO 21227 4:2012 : ( ) ( ) () ()KCC () () ( ) : (http:/www.standard.go.kr) : :2012 8 20 2012-0369 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 21227 4:2012 i ii 1 1
2、2 1 3 .1 4 2 5 2 5.1 .2 5.2 .2 5.3 .2 6 2 7 .2 8 .3 9 4 10 .4 A( ) 5 6 KS M ISO 21227 4:2012 ii 2008 1 ISO 21227 4, Paints and varnishes Evaluation of defects on coated surfaces using optical imaging Part 4: Evaluation of filiform corrosion . KS M ISO 21227 4:2012 4: Paints and varnishes Evaluation
3、of defects on coated surfaces using optical imaging Part 4: Evaluation of filiform corrosion 1 . KS M ISO 4623 1, KS M ISO 4623 2 EN 3665 . 2 . . ( ) . KS M ISO 4623 1, 1: KS M ISO 4623 2, 2: KS M ISO 21227 1, 1: EN 3665, Aerospace series Test methods for paints and varnishes Filiform corrosion resi
4、stance test on aluminium alloys 3 KS M ISO 21227 1 . 3.1 (filiform corrosion) , , . 1 , . 2 . KS M ISO 4623 1 KS M ISO 21227 4:2012 2 4 . , 2 . , . 5 5.1 KS M ISO 21227 1 . 5.2 . . 1 . . 2 . . 5.3 mm 6 . . 6 mm x y (scale) . 7 KS M ISO 4623 1, KS M ISO 4623 2 EN 3665 . . . . . (: ) , . . , . KS M IS
5、O 21227 4:2012 3 , . , ( 0) . 8 ( 1 ). . a) b) 2 w l Ll Lr 1 w , A (1) . lwA = (1) KS M ISO 21227 4:2012 4 fA(mm) (2) . lAAf121A+= (2) A : (mm2) A1: (mm2) l : (mm) , A . 9 . 10 . a) (KS M ISO 21227 4) b) ( , , ) c) ( , ) d) 1) 2) 3) 4) 5) / 6) e) ( ) f) g) 8. h) i) ( ) j) k) KS M ISO 21227 4:2012 5
6、A ( ) , . a) (A.1) g lLLAAg+=)(rl1 (A.1) A : (mm2) A1 : (mm2) Ll : (mm) Lr : (mm) l : (mm) g ( 1). b) ( 1 ) c) (KS M ISO 4628 10 ) KS M ISO 21227 4:2012 6 1 KS M ISO 4628 10, 10: 4: 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS M ISO 21227 4:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Paints and varnishesEvaluation of defects on coated surfaces using optical imagingPart 4:Evaluation of filiform corrosion ICS 87.040 Korean Agency for Technology and Standards http:/www.kats.go.kr