1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS L ISO 26602 KS L ISO 26602:2011 2011 10 28 http:/www.kats.go.krKS L ISO 26602:2011 : ( ) ( ) KCC () ( ) : (http:/www.standard.go.kr) ： ：2011 10 28 2011-0458 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS L ISO 26602:2011 i . ii 1 1 2 1 3 .1 4 .2 5
2、 2 6 2 6.1 .2 6.2 .2 6.3 .2 6.4 3 6.5 (weibull modulus)3 6.6 .3 6.7 3 6.8 3 7 3 8 .3 A( ) 5 A.1 5 A.2 .5 A.3 5 B( ) 6 7 KS L ISO 26602:2011 8 KS L ISO 26602:2011 ii 2009 1 ISO 26602, Fine ceramics(advanced ceramics, advanced technical ceramics) Silicon nitride materials for rolling bearing balls , .
3、 KS L ISO 26602:2011 Fine ceramics(advanced ceramics, advanced technical ceramics)Silicon nitride materials for rolling bearing balls 1 . A . 2 . . ( ) . KS L ISO 17561, KS L ISO 17562, KS L ISO 18754, KS L ISO 20507, ISO 14704, Fine ceramics(advanced ceramics, advanced technical ceramics) Test meth
4、od for flexural strength of monolithic ceramics at room temperature ISO 14705, Fine ceramics(advanced ceramics, advanced technical ceramics) Test method for hardness of monolithic ceramics at room temperature ISO 15732, Fine ceramics(advanced ceramics, advanced technical ceramics) Test method for fr
5、acture toughness of monolithic ceramics at room temperature by single edge precracked beam (SEPB) method ISO 20501, Fine ceramics(advanced ceramics, advanced technical ceramics) Weibull statistics for strength data ASTM F2094, Standard Specification for Silicon Nitride Bearing Balls 3 KS L ISO 20507
6、 . 3.1 KI, IFR ASTM F2094 IF(indentation fracture) 3.2 KS L ISO 26602:2011 2 3.3 3.4 , 3.5 3.6 KI, SEPB ISO 15732 (SEPB, single edge precracked beam) 4 1 , 6.1 6.4 . 1 (g/cm3) 3.0 3.6 (GPa) 270 330 0.23 0.29 , 10-6/C ( ： 500 C) 2.0 3.7 5 ( B ). 6 6.1 . KS L ISO 18754 . 6.2 . KS L ISO 17561 . 6.3 . K
7、S L ISO 17561 . KS L ISO 26602:2011 3 6.4 . KS L ISO 17562 . 6.5 (weibull modulus) . ISO 14704 ISO 20501 . 4- 3- . 6.6 . ISO 14705 . HV5, HV10 HV20 . 6.7 6.7.1 IF . . 6.7.2 IF ASTM F2094 . (SEPB ) . SEPB ISO 15732 . 6.8 . A . 7 1, 2 3 ( B.1 ). 8 . a) (KS L ISO 22602) b) c) d) 1) 2) 3) 4) 5) KS L ISO
8、 26602:2011 4 6) ( , ) 7) ( ) 8) ( , , ) e) f) KS L ISO 26602:2011 5 A ( ) A.1 , . . a) 50 m , 1 m . b) 50 m , , . . A.2 . . 100 200 . . . , . A.3 . . KS D ISO 4505 . . KS L ISO 26602:2011 6 B ( ) B.1 . B.1 1 2 3 1. (MPa)aa) 4- i) ： 40 mm( ) 30 mm( ) ii) b) 3- i) ： 40 mm( ) 30 mm( ) ii) 760 800 12 8
9、94 915 12 660 700 9 798 817 9 480 530 7 595 629 7 2. (GPa)b 14.2 13.3 12.7 3. (MPa m ) KI, IFR(IF) 6.0 5.0 5.0 4. a) (m) b) ( /cm2) (m) 25 50 50 100 100 200 200 10 4 1 0 0 10 8 2 1 0 25 16 4 2 1 , IF . KI, SEPB SEPB(ISO 15732) . a . b HV5, HV10 HV 20 . KS L ISO 26602:2011 7 1 KS D ISO 4505, 2 NIIHAR
10、A, K., MORENA, R and HASSELMAN, D.P.H. Evaluation of KIC of brittle solids by the indentation method with low crack-to-indent ratios, J. Mater. Sci., 1, 1982, pp. 13-16 KS L ISO 26602:2011 8 KS L ISO 26602:2011 . 1 . (KS) (ISO) , . . 2 2009 ISO 26602Fine ceramics(advanced ceramics, advanced technica
11、l ceramics) Silicon nitride materials for rolling bearing balls , . . SI . 3 2009 ISO 26602Fine ceramics(advanced ceramics, advanced technical ceramics) Silicon nitride materials for rolling bearing balls 2011 . : : 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS L ISO 26602:2011 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Fine ceramics(advanced ceramics, advanced technical ceramics)Silicon nitride materials for rolling bearing balls ICS 81.060.30 Korean Agency for Technology and Standards http:/www.kats.go.kr
