1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS L 1600 KS L 1600 :2010 2010 10 26 http:/www.kats.go.krKS L 1600:2010 : ( ) ( ) L H K C C () () ( ) : (http:/www.standard.go.kr) : :1990 10 19 :2010 10 26 2010-0462 : : ( 02-509-7300) (http:/www.kats.go.kr). 10 5 , . KS L 1600:2010 Testing methods for fra
2、cture toughness of high performance ceramics 1 , (先) 1) 2) . 2 . . ( ) . KS B 0161, KS B 0425, KS B 0811, KS B 5202, KS B 52031, 1: 0.1 mm 0.05 mm KS B 5206, KS B 5525, ( ) KS L 1591, KS L ISO 17561, KS Q 5002, 1: 3 . 3.1 1) (SEPB:SingleEdgePrecrackedBeam) 3 , 2) (IF:IndentationFracture) , , KS L 16
3、00:2010 2 3.2 3.3 3.4 (pop-in) , 4 SEPB , IF SEPB . 5 SEPB 5.1 5.1.1 1 . 196 GPa , . (L P ) (G) .(L A ) , 18 mm . , (B) . (G) 5.3.6 c) 3) . L: 1 3) A . KS L 1600:2010 3 5.1.2 5.1.1 . . 5.1.3 . 1 % . 5.1.4 147 GPa , , 2 . KS B 0161 0.40 mRa . , (B) . 2 . W : L : :mm R( ) S( ) I 16.00.2 II 2.04.0 30.0
4、0.5 0.1 mm . 2 5.1.5 . a) KS B 5202 . b) KS B 5206 . KS L 1600:2010 4 c) KS B 52031 0.05 mm . 5.2 5.2.1 , , 3 . 3 ( 18 mm “ I”, 36 mm “ II” ). :mm L ( ) B () W () C () I 18 II 36 3.00.1 4.00.1 0.10.3 3 4) 0.01 mm . 5.2.2 4 KS B 0161 0.20 mRa . 5.2.3 5 . 5.3.6 . 5.3 5.3.1 . 5.3.2 BL 5) , 2 ( ) 4 . 4)
5、 KS B 0425 . KS L 1591 . 5) , 5.3.3 ( A ). KS L 1600:2010 5 . 4 a) ( ) 1) (B) 1 2) 1 ( ) 3) 98 N. . . b) 1) 0.2 mm . . 2) ( 0.50.1) mm 5.3.3 1 , (pop-in) (BL ). 6) . a) , , . , 0.1 mm . b) . , . c) (pop-in) . , . . 6) A . KS L 1600:2010 6 d) . ( 3 ). 5.3.4 3 2 . BL . . a) 902 , 2 0.1 mm . b) (cross-
6、head) , 0.5 mm/min . 5.3.5 20 . . a) 5 (前線) (W) (B) 4 3 a 1 , a 2 , a 3 ( ). 5 b) . 3 3 2 1 a a a a a : (m) a 1 , a 2 , a 3 :(m) 5.3.6 , . a 1a 2a 3W B KS L 1600:2010 7 , . a) (a) 0.1 ( ). a a a min max 0.1 amax : amin : b) 6 10 . 6 c) 1.22.4 mm . 5.4 ( I ) KS Q 5002 3 7) . 5.3.6 5 2 1 m MPa KS Q 50
7、02 . W a Y W a BW PS K 2 1 2 3 IC 2 3 I ( : , 0 . 4 W S0 W a 1) 2 3 2 1 2 1 7 . 2 93 . 3 15 . 2 1 99 . 1 W a W a W a W a W a W a W a Y 7) P S, B, W a (mm ) K IC ( 2 1 m MPa ) K IC 0.310 1( 2 3 10 807 . 9 ) . 10 10 W B KS L 1600:2010 8 II ( : , 5 . 7 W S0.1 W a 0.6) 4 3 2 129 . 24 250 . 23 711 . 13 8
8、37 . 2 964 . 1 W a W a W a W a W a Y K IC : ( I ) ( 2 1 m Pa ) P : (N) S :3 (m) B : (m) W : (m) a : (m) 5.5 5.5.1 . a) ( I II .) b) 5.3.6 c) ( I ) K IC 5.5.2 . a) ( I ) b) c) d) e) ( , ) 6 IF 6.1 KS B 5525 . 6.2 6.2.1 . 6.2.2 8) . 6.2.3 8) 3 mm . KS L 1600:2010 9 , . 9) . . 6.3 6.3.1 . 15 . 6.3.2 5
9、, 5 . 6.3.3 10 . , . a) 4 . b) 2 10 % . c) 2.5 . 6.4 KS Q 5002 . 2 3 2 1 2 1 2 3 2 1 c 026 . 0 018 . 0 C a P E C P HV E K K c : (Pa 2 1 m ) E :(Pa) HV : 10) (Pa) P : (N) C : (m) a : (m) 9) KS B 0161 0.100 mRa . 10) KS B 0811 , (Pa) . . 2 ) 2 ( 4 854 . 1 a P HV KS L 1600:2010 10 KS L ISO 17561 . 6.5
10、. a) b) c) (C) (a) d) K c KS L 1600:2010 11 A SEPB A.1 (pop-in) , , . 5.3.6 , ( 3 6 mm). KS B 0425 0.01 mm , KS B 0161 0.20 mRa . . , ( . , . . ). A.2 1 2 , , . ( ). A.3 0.2 mm , (pop- in) . 0.6 mm . A.4 . 294 N/s . , . A.5 KS L 1600:2010 12 ( 3 ). . 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS L 1600 :2010 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Testing methods for fracture toughness of high performance ceramics ICS 81.060.01 Korean Agency for Technology and Standards http:/www.kats.go.kr
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