KS M ISO 1798-2012 Flexible cellular polymeric materials－Determination of tensile strength and elongation at break《柔性泡沫聚合材料 拉力强度和断裂时延伸率的测定》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS M ISO 1798 KS M ISO 1798:2012 2012 12 18 http:/www.kats.go.krKS M ISO 1798:2012 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2002 8 31 ：2012 12 18 2012-0728 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS M ISO 1798:2012 i ii 1 1 2 1 3 .1 4 .1 5 2

2、 6 3 7 4 8 4 A( ) 1 1A 6 11 KS M ISO 1798:2012 ii 2008 4 ISO 1798, Flexible cellular polymeric materials Determination of tensile strength and elongation at break , . KS M ISO 1798:2012 Flexible cellular polymeric materials Determination of tensile strength and elongation at break . , . . 1 . 2 . .

3、( ) . KS B ISO 7500 1, 1： / KS B ISO 9513, KS M ISO 1923, KS M ISO 23529, 3 . 3.1 (tensile strength) 3.2 (elongation at break) 4 KS M ISO 1798:2012 2 4.1 , . (power-actuated) (50050) mm/min , . KS B ISO 7500 1 0.5 1 . , (extensometer) . , KS B ISO 9513 . (gauge length) 1 % . 1.25 mm . , . , (inertia

4、) 1 % . 5 5.1 . . 5.2 . 1 2 (1015) mm . 5.3 5 . 5.4 5.4.1 KS M ISO 23529 . 5.4.2 16 48 72 10 % , 72 . 16 48 . , 16 . (232) , (505) % KS M ISO 1798:2012 3 (272) , (655) % . 5.4.3 , ( 12 ) ( 6 ) . ： mm a) 1 b) 1A 1 6 6.1 5.4 . KS M ISO 1923 2 % . 6.2 2 . 1 % ( 25 mm , 1 50 mm , 1A 40 mm ). 6.3 0 , (4.

5、1) (tension) . 0.1 kPa KS M ISO 1798:2012 4 (preload stress) 0.5 % (preload extension) . , 0 . (50050) mm/min (1 % ) (1.25 mm ) 2 . , 5 . . 6.4 . 1 , 50 mm . 7 7.1 . ( 1 13 mm, 1A 10 mm) . (TS) kPa . 310TS =AF F ： (N) A ： (mm2) 7.2 Eb , . 10000b=LLLE L ： (mm) L0： (mm) 8 . a) b) c) d) e) ( ) KS M ISO

6、 1798:2012 5 f) ( ) g) h) (kPa) i) (%) j) KS M ISO 1798:2012 6 A ( ) 1 1A A.1 1A 1 . A.2 2 ( 1 1A) . 2 . A： 22 kg/m3 B： 32 kg/m3 (high-hardness) . , . 15 . 7 (weeks) 2 . KS M ISO 1798:2007 . A.3 1 25 mm, 40 mm, 50 mm, 55 mm . KS M ISO 1798 25 mm 50 mm , 55 mm . 1A 40 mm 40 mm . . 100=TOk k ： (%) O ：

7、 2 T ： 2 A.1 A.1 . KS M ISO 1798:2012 7 A.1 A B 1 1A 1 1A 25 mm 40 mm 50 mm 55 mm 40 mm 25 mm 40 mm 50 mm 55 mm 40 mm 1 /2 71/76 49/39 31/14 13/15 1/6 78/82 63/61 43/47 12/23 4/2 147 88 45 28 7 160 124 90 35 6 1 /2 94/91 87/74 66/49 48/50 36/41102/103 93/88 76/82 57/47 39/37 185 161 115 98 77 205 18

8、1 158 104 76 X , mm Y , % 1 A ( 1 ) 2 B ( 1 ) 3 A ( 1A ) 4 B ( 1A ) A.1 A.4 7 3 , A.2 , . 21DDD = KS M ISO 1798:2012 8 D ： (mm) D1： (mm) D2： (mm) , . A.2 A.3 . D . D . . . KS M ISO 1798:2012 9 a) A, 1 b) A, 1A c) B, 1 d) B, 1A X (mm) Y 1 A.3 1 1A KS M ISO 1798:2012 10 A.5 ISO/TR 9272 . 1 , 50 mm . .

9、 A.2 A.3 . ( ) r (r) , , . . A.2 A.3 . ( ) R (R) , , . . A.2 ( ) kPa srr (r) sRR (R) 1 132.2 1.944 5.50 4.16 6.307 17.85 13.50A (22 kg/m3) 1A 135.7 1.587 4.49 3.31 6.526 18.47 13.61 1 154.3 2.244 6.35 4.12 2.679 7.58 4.91 B (32 kg/m3) 1A 157.5 1.462 4.14 2.63 4.835 13.68 8.69 A.2 ( ) % srr (r) sRR (

10、R) 1 150.6 1.949 5.52 3.67 7.571 21.43 14.23A (22 kg/m3) 1A 151.4 1.183 3.35 2.21 2.151 6.09 4.02 1 110.1 1.517 4.29 3.90 4.310 12.20 11.08B (32 kg/m3) 1A 118.1 1.449 4.10 3.47 6.917 19.58 16.58A.6 ( 1A) , . , . . KS M ISO 1798:2012 11 1 KS M ISO 1798:2007, 2 ISO/TR 9272, Rubber and rubber products

11、Determination of precision for test method standards 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS M ISO 1798:2012 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Flexible cellular polymeric materials Determination of tensile strength and elongation at break ICS 83.100