1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 44991 1： KS D ISO 44991 :2009 2009 10 23 http:/www.kats.go.krKS D ISO 44991:2009 : ( ) ( ) NFM ( ) () N S ( ) : () () : (http:/www.standard.go.kr) ： ： 2001 12 31 ： 2009 10 23 20090650 ： ： ( 025097274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 44991
2、:2009 1： HardmetalsMetallographic determination of microstructure Part 1：Photomicrographs and description 2008 1 ISO 44991, HardmetalsMetallographic determination of microstructurePart 1：Photomicrographs and description , . 1 . 2 . . ( ) . KS D ISO 3878, KS D ISO 44992, 2：WC 3 . 3.1 3.2 (：Co, Ni, Fe
3、 ) 3.3 (：TiC, Tac) (：WC) . KS D ISO 44991:2009 2 4 4.1 , 1 500 4.2 (scanning electron microscope, SEM), 1 500 4.3 5 , . . . , . , (： , , ) (paste) 1 m . (Good Practice Guide) (UK National Physical Laboratory) . 6.1 . ASTM (ASTM B66503) 2 . 6 6.1 6.1.1 . , . . . 6.1.2 . . . . . , . 6.1.3 . , , . KS D
4、 ISO 44991:2009 3 . ( ) . . . (, ) . (monomer) . . . . , . “ ” , . , , . , SEM . . 6.1.4 () . . . . ( ) . , 200 m (KS D ISO 3878 ). . , , , ( ) . , . 6.1.5 . , , . . (lap) . . KS D ISO 44991:2009 4 . 6.1.6 (nap) (Texmet DP Pan . , ISO .) . 15 m, 6 m, 3 m, 1 m. (suspension), (aerosol), (paste) . . .
5、. . . . , . WC . . . . . . . . . . . . . . , ( ) . 6.1.7 . . . . . . Co . Co . KS D ISO 44991:2009 5 . . . 6.2 6.2.1 (Murakami) . 2 (potassium ferricyanide) . 2 ( ) . . . , . (III) 1020 %() (100 ml 1020 g) . 20 WC 306 . . WC . WC . . . ( ) (HF), 2(FeCl 3 ) ( ) . . . . . , , . SEM (stub) . SEM . . SE
6、M . “ ” , . , . . . ASTM B65703 3 . 1 . . KS D ISO 44991:2009 6 1 1 A (III) ( ) 1020 % ( ) 20 A A (36) 2 B A. 20 A 3 4 . B 10 . , . A 20 (III)K 3 Fe(CN) 6 (KOH) (NaOH) , . 6.2.2 1 , 2 ( 1 ). . KS D ISO 44992 (nano), (ultrafine), (submicron), (fine), (medium), (coarse), (extra coarse) ( 1, 2 3 ). . ,
7、 , SEM . 6.2.3 , 1 2 ( HCl) . . 6.2.4 , 2 ( 1 ). . . KS D ISO 44992 . KS D ISO 44991:2009 7 a) b) SEM c) d) SEM 1 (WC) SEM, KS D ISO 44991:2009 8 a) b) SEM c) d) SEM e) f) SEM 2 (WC) SEM, , , KS D ISO 44991:2009 9 a) b) SEM c) d) SEM 3 (WC) SEM, 7 . a) b) c) d) e) KS D ISO 44991:2009 10 1 BENNETT, E
8、.G. and ROEBUCK, B. The Metallographic Measurement of WC Grain Size. NPL Good Practice Guide 22, August 1999 2 ASTM B665, Standard Guide for Metallographic Sample Preparation of Cemented Tungsten Carbides 3 ASTM B657, Guide for Metallographic Identification of Microstructure in Cemented Carbides 1：
9、153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS D ISO 44991 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Hardmetals Metallographic determination of microstructure Part 1 ：Photomicrographs and description ICS 77.040.99；77.160 Korean Agency for Technology and Standards http:/www.kats.go.kr
