KS D ISO 4505-2008 Hardmetals－Metallographic determination of porosity and uncombined carbon《硬质合金 孔隙率和游离碳的金相测定》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 4505 KS D ISO 4505:2008 2008 12 26 http:/www.kats.go.krKS D ISO 4505:2008 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： ： 2003 10 30 ： 2008 12 26 2008-0952 ： ： ( 025097274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 4505:2008 Hardmetals Metallograp

2、hic determination of porosity and uncombined carbon 1978 1 ISO 4505, Hardmetals Metallographic determination of porosity and uncombined carbon , . 1 , . 2 2.1 (4. ) 2.2 3 . . . . 1 m , (lap) . 4 . . 4.1 10 m 100 200 . , 1 2 KS D ISO 4505:2008 2 . A02, A04, A06 A08 . 4.2 10 25 m 100 . , 3 . B02, B04,

3、 B06 B08 . 4.3 25 m 100 , . 25 75 m, 75 125 m, 125 m . 4.4 100 . , 4 . C02, C04, C06 C08 . 4.5 A B C A00, B00 C00 . 4.6 , , , , . 5 . a) b) c) d) , e) KS D ISO 4505:2008 3 A02 0.02 %(vol.) A04 0.06 %(vol.) A06 0.2 %(vol.) A08 0.6 %(vol.) 1 A (100 ) KS D ISO 4505:2008 4 A02 0.02 %(vol.) A04 0.06 %(vo

4、l.) A06 0.2 %(vol.) A08 0.6 %(vol.) 2 A (200 ) KS D ISO 4505:2008 5 B02 0.02 %(vol.)(140 /cm2) B04 0.06 %(vol.)(430 /cm2) B06 0.2 %(vol.)(1 300 /cm2) B08 0.6 %(vol.)(4 000 /cm2) 3 B (100 ) KS D ISO 4505:2008 6 C02 C04 C06 C08 4 (100 ) KS D ISO 4505:2008 7 KS D ISO 4505:2008 . 1 . (KS) (ISO) , . 2 19

5、78 ISO 4505, Hardmetals Metallographic determination of porosity and uncombined carbon , “ ” . SI . 3 . . . 1 m , . 135513 7017 (02)60094114 (02)600948878 http:/ KS D ISO 4505:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Hardmetals Metallographic determination of porosity and uncombined carbon ICS 77.040.99 ; 77.160 Korean Agency for Technology and Standards http:/www.kats.go.kr