1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 27727 KS M ISO 27727:2009 2009 3 20 http:/www.kats.go.krKS M ISO 27727:2009 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) ： ： 2009 3 20 2009-0096 ： ： ( 02-509-7298) (http:/www.kats.go.kr). 10 5 , . KS M ISO 27727:2009 i .1 1 1 2 1 3 .1 4 2 5 2 5.
2、1 2 5.2 2 5.3 2 5.4 , 2 6 3 6.1 3 6.2 3 6.3 4 6.4 .4 6.5 4 7 .4 7.1 .4 7.2 .5 7.3 .5 7.4 .5 8 5 8.1 5 8.2 .5 8.3 .6 9 .6 10 7 11 .7 9 KS M ISO 27727:2009 Rubber, vulcanized Measurement of fatigue crack growth rate 2008 1 ISO 27727, Rubber, vulcanized Measurement of fatigue crack growth rate . 1 . ,
3、. , . . . 2 . . ( ) . KS M ISO 23529, 3 . 3.1 1)W , 3.2 2)T 1) J/m3 . 2) . J/m2 . KS M ISO 27727:2009 2 3.3 3)PR ( ) 4 . , . . 5 5.1 1 . , , (servo) . , - . . . 5.2 . , . 5.3 , KS M ISO 23529 , ( 1 ). . 5.4 , KS M ISO 23529 . 3) PR dmin/dmax , dmin dmax . KS M ISO 27727:2009 3 CCD (servo) 1 6 6.1 2
4、. , . (L) 200 mm , (ho) 20 mm . (L/ho) 10 . (to) 2 mm , (t) 5 mm . 6.2 3 . KS M ISO 27727:2009 4 2 6.3 , (KS M ISO 23529 ). , 16 . , 4 , . , 3 . , 2 . 6.4 . 3 . , (KS M ISO 23529 ). 6.5 . 3 . 30 mm . 7 7.1 KS M ISO 23529 . , KS M ISO 23529 . tot L h0KS M ISO 27727:2009 5 7.2 1 Hz 10 Hz , . , . 7.3 2
5、00 % . ( 7.4 ). 7.4 , (PR) . 8 8.1 (W) , - . , 3 a) . - 3 b) . 3 . 8.2 , (T) . ohWT = ho . a) - b) - 3 (W) KS M ISO 27727:2009 6 8.3 . 3 . (c) (n) CCD , 10 5 m . . (dc/dn) . (N351) SBR 40 , 35 %, 1 Hz 4 . 3 . 4 9 , (T) (dc/dn) log-log . 3 . power law . Tnc =d/d 4) 4) 2 6 , .y (7.4910 6)x (6.8410 4)
6、dc/dn nc(m) KS M ISO 27727:2009 7 . 40 1Hz (N351) SBR 5 . 5 (dc/dn) (T) 10 . 11 . a) 1) 2) 3) b) ： (KS M ISO 27727) c) 1) 2) 3) 4) , 5) dc/dn T 3 4 5 6 7 82.9 3.1 3.3 3.5 3.7 logT(J/m2) log dc/dn(m/cycle) KS M ISO 27727:2009 8 6) d) 1) 2) c vs. n, (dc/dn) 3) 9. 4) 5) e) KS M ISO 27727:2009 9 1 ELLUL
7、, MARIA D., “Mechanical Fatigue” in Engineering with Rubber How to Design Rubber Components, edited by Alan N. Gent, 2nd ed. (2001), Hanser Gardner, Cincinatti, Chap. 6, pp. 137-176 2 KAANG, S., et al., A test method to measure fatigue crack growth rate of rubbery materials, Polymer Testing, 25 (2006), pp. 347-352 135513 7017 (02)60094114 (02)600948878 http:/ KS M ISO 27727:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Rubber, vulcanizedMeasurement of fatigue crack growth rate ICS 83.060 Korean Agency for Technology and Standards http:/www.kats.go.kr
