1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 14125 KS M ISO 14125:2012 2012 12 24 http:/www.kats.go.krKS M ISO 14125:2012 : ( ) ( ) SREAP ( ) : (http:/www.standard.go.kr) : :2002 05 31 :2012 12 24 2012-0749 : : ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 14125:2012 i ii 1 1 2 1 3
2、2 4 .2 5 .4 6 5 6.1 5 6.2 7 6.3 7 7 .7 8 .7 9 .8 10 .9 11 11 12 .11 A( ) .15 B( ) 16 KS M ISO 14125:2012 ii 1998 1 ISO 14125, Fibre-reinforced plastic composites Determination of flexural properties , . KS M ISO 14125:2012 Fibre-reinforced plastic composites Determination of flexural properties 1 1.
3、1 3- ( A) 4- ( B) . . . 1.2 . , , / , . . 1.3 . KS M ISO 178 7.5 mm . . 1.4 (KS M ISO 3167 ) . 1.5 . . . - . . 2 . . ( ) . KS M ISO 14125:2012 2 KS A ISO 2602, KS M ISO 178, KS M ISO 291, KS M ISO 295, KS M ISO 1268( ), KS M ISO 3167, KS M ISO 5893, , , ( ) ISO 293, Plastics Compression moulding of
4、test specimens of thermoplastic materials ISO 294 1, Plastics Injection moulding of test specimens of thermoplastic materials Part 1: General principles, and moulding of multipurpose and bar test specimens ISO 2818, Plastics Preparation of test specimens by machining 3 . . / , . 3- 4- . . 4- . 2 3-
5、. 4- 1/3 . 3- . 4 . 4.1 v . . 4.2 f . 10. (3) (8) MPa . 4.3 fB ( 1, A, B ). MPa . KS M ISO 14125:2012 3 4.4 fM (9.9 6 ) ( 1 ) 4.5 s . (mm) . 4.6 sB ( 1, A B ). . 4.7 sM ( 1, A B ) 4.8 f . (4.9) . 4.9 Er (f f) (f 0.002 5 f 0.000 5) (10.1.2 10.2.2 ). MPa . 0.002 5 (:- ) , 0.001 0 0.000 5 . / . 4.10 G1
6、3 . MPa . , G13 3 000 6 000 MPa . 4.11 ( ) 2 . “1”- KS M ISO 14125:2012 4 “2”- . 1, 2, 3 x, y, z . 1 “1”- 0 , “2”- 90 . 2 . “1” “2” . 5 5.1 5.1.1 KS M ISO 5893 , 5.1.2 5.1.4 . 5.1.2 1 . 0.5 mm/min KS M ISO 5893 . 1 mm/min 2 mm/min KS M ISO 5893 . 5.1.3 3(3- ) 4(4- ) . R1 R2 2 . . L( , ) . 1 (mm/) (%
7、) 0.5 20 1 20 2 20 5 20 10 20 20 10 50 10 100 10 200 10 500 10 KS M ISO 14125:2012 5 2 (mm) R150.2 R2 (h3 mm) 20.2 R2 (h 3 mm) 50.2 5.1.4 1 % , 1 % (KS M ISO 5893 ). . 5.2 5.2.1 . 0.01 mm , b h . ( , , ). 5.2.2 . L , L 0.1 % (9.2 ). 6 6.1 6.1.1 , 6.1.3 . 6.1.2 (4.11 5 ). ( , “1” “2”) , . , , . . 6.1
8、.3 KS M ISO 14125:2012 6 3 A(3 ) : mm (l) (L) (b) (h) I 80 64 10 4 II , (DMC, BMC, SMC GMT) 80 64 15 4 III (90) : (0) 5 Ef1/G13 15 ( , ). 60 40 15 2 IV (0) 15 Ef1/G1350 ( , ). 100 80 15 2 0 10 1 0.5 0.2 25 mm . 1/3 2 % . 3 % . . I KS M ISO 3167 . 4 B(4 ) : mm (l) (L) (L) (b) (h) I 80 66 22 10 4 II ,
9、 (DMC, BMC, SMC GMT) 80 66 22 15 4 III (90) : (0) 5 Ef1/G13 15 ( , ). 60 45 15 15 2 IV (0) 15 Ef1/G1350 ( , ). 100 81 27 15 2 10 0 1 1 0.5 0.2 , 25 mm . KS M ISO 14125:2012 7 2 % . 3 % . . 6.1.4 , A.1 A.2 L, l, h b . 6.2 6.2.1 . ISO 293, ISO 294 1 KS M ISO 295 . 6.2.2 ISO 2818 . 6.2.3 KS M ISO 1268
10、. 6.3 . , , , . , . . 7 7.1 5 . 5 . (95 % , KS A ISO 2602 ) . 3- 1/3 , 4- . 8 . , ( , ) KS M ISO 291 . KS M ISO 14125:2012 8 9 9.1 . , KS M ISO 291 . 9.2 1 % b h . 2 % . h . . L 1 % 3 4 / L/h 0.2 % . ( , ) 3 4 ( 6 ). L/h . 16/1, 20/1, 40/1 60/1 . 9.3 . 0.01 1 . . hL62= (3- ) (1) hL7.42= (4- )(2) : 0
11、.01 ( , 1 %) 1 0.4 , 6.1.3 I 2 mm/min . 9.4 ( 3 4 ). 9.5 ( ) , III IV . 0.2 mm . 9.6 3- 4- ( 3 4 ). 9.7 / / ( 1 ). 9.8 / / 4. , KS M ISO 14125:2012 9 . 9.9 6( ) . 10 B ( , 0.1L mm ) . 10.1 A(3- ) 10.1.1 f . 223bhFLf= (3) f: (MPa) F : (N) L : (mm) h : (mm) b : (mm) 10.1.2 , 0.002 5 f 0.000 5 f 0.002
12、5 (deflections) s s , 0.002 5 f 0.000 5 f 0.001 0 s s . hLs62f= , hLs62f= (4) s, s : (mm) f, f : (5) (6) . a) (5) =sFbhLE33f4(5) Ef: (MPa) s : s s F : s s F F b) (6) ()fff500 =E (6) KS M ISO 14125:2012 10 f : s (MPa) f : s (MPa) 10.1.3 . 26Lsh= (7) 10.2 B(4 ) 10.2.1 f . 2fbhFL = (8) f: (MPa) F : (N)
13、 L : (mm) h : (mm) b : (mm) 10.2.2 , 0.002 5 f 0.000 5 f 0.002 5 (deflections) s s , 0.002 5 f 0.000 5 f 0.001 0 s s . hLs7.42f= , hLs7.42f= (9) s s : (mm) f, f : (10) (11) . a) (10) =sFbhLE33f0.21 (10) Ef: (Pa) s : s s F : s s F F b) (11) ()fff500 =E (11) f : s (MPa) KS M ISO 14125:2012 11 f : s (M
14、Pa) 10.2.3 . 27.4Lsh= (12) 4.9 . 10.3 , KS A ISO 2602 95 % . 10.4 3 . 2 . 11 . . 12 . a) , b) , , , c) , d) e) (9.2 ) f) g) h) i) j) k) (KS M ISO 5893 ) l) m) , n) (strain) ( , ) o) p) ( )- ( ) q) r) 95 % KS M ISO 14125:2012 12 f 0.000 5 f 0.002 5 1 - ( s s .) 2 fffffff=EKS M ISO 14125:2012 13 3 3- 4 4- (L 3L) KS M ISO 14125:2012 14 5 3- 4- ( ) ( ) 6 KS M ISO 14125:2012 15 A ( ) A.1 9.2( ) A.1 . A.1 h L l 3- 4- L/h I/h L/h I/h I 16 20 16.5 20 II 16 20 16.5 20 III 20 30 22.5 30 IV 40 50 40.5 50 .
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