1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS D 0289 KS D 0289 :2009 2009 12 17 http:/www.kats.go.krKS D 0289:2009 : ( ) ( ) () POSCO () () () () () KIST () ( ) : (http:/www.standard.go.kr) ： ： 2009 12 17 2009-0836 ： ： ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D 0289:2009 Test methods for d
2、etermination of resistance to pitting and crevice corrosion of metallic materials for surgical implants 1 . 2 KS D ISO 8044( ) . 3 . 3.1 , , , , , , , (SCE) . 3.2 , 600 . (20.001.00) mm (6.350.03) mm . 3.3 (crevice) (PTFE) . (12.700.05) mm, (3.180.20) mm. 0.38 mm . 3.2 , (5.970.05) mm (6.730.05) mm
3、. 1 . . 3.4 . 1 , . 3.5 (A T ) . (A C ) . (A S A T A C ) . 0.1 mm . , (d) 6.35 mm, (l) 20.00 mm, (t ) 3.18 mm , . KS D 0289:2009 2 A T dld2/4431 mm 2A C dt63 mm 2A S A T A C 386 mm 2 a) b) 1 a) b) 4 , (Phosphate Buffered Saline：PBS) . . NaCl 8.0 g/L, KCl 0.2 g/L, Na 2 HPO 4 12H 2 O 1.15 g/L, KH 2 PO
4、 40.2 g/L 1 L . , pH . 5 5.1 1 . 5.2 (102) mm ( 2 ). , . (2.70.1) mm (4010) mm 4-40 12.70 mm d. 6.73 mm d. 3.18 mm 5.97 mm d. 6.35 mm d. 20 mmKS D 0289:2009 3 2 5.3 . 5.4 , , . 5.5 500 mL . (371) . 5.6 2 mm . 6 1 . , 1 (E 1 ) . 6.1 1 , 0.8 V(SCE) , . 6.2 3 , 0.8 V(SCE) . 6.2.1 20 . 6.4 . 6.2.2 500 A
5、/cm 2 . , 20 6.5 . 500 A/cm 2 6.5 . 0.8 V(SCE) 500 A/cm 2 6.5 . PTFE 10 mm KS D 0289:2009 4 3 6.3 20 , 15 0.8 V(SCE) . 6.5 . 15 , . , 0.8 V(SCE) . 6.4 0.8 V(SCE) , E 1 . E 1 . 6.5 E 1 , 0 . 15 . 6.5.1 E 1 , E 1 . 6.6 15 E 1 , 0.8 V(SCE) 6.2 6.3 , E 1 0.05 V 2 6.6 . , E 1 0.100 0.051 V(SCE) 2 0.05 V
6、0.050 V(SCE). 6.7 0.8 V(SCE) . 2 (0.05 V ) . 6.8 , 15 4 b) . ( A/cm 2 ) 3.7 cm 2 (mA) 0.8 V(SCE) KS D 0289:2009 5 a) b) 4 a) b) 6.9 , 20 , , . 7 . a) , , b) , , 600 , (, , ) c) (A T ), (A C ), (A S A T A C ) d) e) 1 , E 1f) g) h) i) pH ( A/cm 2 ) ( A/cm 2 ) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D 0289 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Test methods for determination of resistance to pitting and crevice corrosion of metallic materials for surgical implants ICS 77.060 Korean Agency for Technology and Standards http:/www.kats.go.kr
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