KS D ISO 8993-2012 Anodizing of aluminium and its alloys－Rating system for the evaluation of pitting corrosion－Chart method《铝和铝合金阳极氧化 点状腐蚀评估的评定体系 图表法》.pdf

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3、 1 . . . KS D ISO 8994 . 2 . . ( ) . KS D ISO 2064, KS D ISO 8994, ISO 2106, Anodizing of aluminium and its alloys Determination of mass per unit area(surface density) of anodic oxidation coatings Gravimetric method 3 . 3.1 (significant surface) 1 KS D ISO 2064 3.1 . KS D ISO 8993:2012 2 2 . 3.2 (co

4、rrosion pit) . 4 4.1 5 000 mm2 . . a) , . b) (20 1.40 g/mL) (20 25) 1： 1 30 % (5 10) . a) . c) - , a) . 1 ISO 2106 . 2 c) . (VI) . (VI) . d) 1 000 mL (35 37) % HCl 100 mL , a) . 4.2 5 000 mm2 . 50 mm100 mm . 1 7 . . ( : B2 C5) . . A , H . 1 . KS D ISO 8993:2012 3 1 A B1 B2 B3 B4 B5 B6 0.02 C1 C2 C3

5、C4 C5 C6 0.02 0.05 D1 D2 D3 D4 D5 D6 0.05 0.07 E1 E2 E3 E4 E5 E6 0.07 0.10 F1 F2 F3 F4 F5 F6 0.10 0.25 G1 G2 G3 G4 G5 G6 0.25 0.5 H1 H2 H3 H4 H5 H6 0.5 5 / . 6 . a) (： KS D ISO 8993) b) , , c) (3.1 ) d) (： ). , . e) / (4. ) . f) KS D ISO 8993:2012 4 1 B ( 0.02 %) KS D ISO 8993:2012 5 2 C ( 0.02 % 0.

6、05 %) KS D ISO 8993:2012 6 3 D ( 0.05 % 0.07 %) KS D ISO 8993:2012 7 4 E ( 0.07 % 0.10 %) KS D ISO 8993:2012 8 5 F ( 0.10 % 0.25 %) KS D ISO 8993:2012 9 6 G ( 0.25 % 0.5 %) KS D ISO 8993:2012 10 7 H ( 0.5 %) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D ISO 8993:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Anodizing of aluminium and its alloys Rating system for the evaluation of pitting corrosionChart method ICS 25.220.20;77.060 Korean Agency for Technology and Standards http:/www.kats.go.kr