1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS L 2401 KS L 2401:2009 (MOD ISO 7884 7:1987) 2009 9 4 http:/www.kats.go.krKS L 2401:2009 : ( ) ( ) () () ( ) : (http:/www.standard.go.kr) : :1990 10 19 :2009 9 4 2009-0485 : : ( 02-509-7300) (http:/www.kats.go.kr). 10 5 , . KS L 2401:2009 (MOD ISO 7884 7:1
2、987) Testing method for annealing point and strain point of glass by beam bending 1 , . a) KS L 2505 . b) . ISO 7884 7: 1987, Glass Viscosity and viscometric fixed pointsPart 7: Determination of annealing point and strain point by beam bending . 2 . . ( ) . KS L 2505, 3 . 3.1 . . 3.2 . (41) , . . KS
3、 L 2401:2009 2 (cm/min)c3111067.2lML L : (cm) M : (g) Ic: ( 2 ) 3.3 . , 0.031 6 . 4 , , . a) 1 80 20Ni Cr . , 25.5 cm, 23 cm, 13 cm . 2 . b) R S . , 5 mm . 0 , 1 V 5V emf . c) , . , , 5 /min . d) ( 1 ). .1) . . , 50 mm . , 1 . e) 2.5 mm . 0.025 mm , 0.002 5 mm . 0.005 mm . (Linearly Variable Differe
4、ntial Transformation: LVDT) . 1 , 0 . 5 , . 2 % . 50 mm , 1) , 900 . KS L 2401:2009 3 210 4 cm4 1010 4 cm4 . 6 a) . 7. 8. a) , 5. . , , 2 . . A E (LVDT) B F 0 C G D H 1 KS L 2401:2009 4 2 b) 7. , 8. a) 3 . 6. a) . . . c) 6. b) ( 3 ) . 31.6 . 6. b) ( 3 ) , . 3 c1I () KS L 2401:2009 5 7 a) 25 , . b) 1
5、 . , , . 4 . 4 c) . 5 . (410 10L3M)/Iccm , (41) . . d) 30 . 10 . 1/3 . 0 . 10 mm . 8 a) 1 . 3 . b) 6. . . . 9 . 10 4cm4(g) KS L 2401:2009 6 a) b) c) d) e) f) 1 . 3.18 mm 7. (LVDT) . . 1 (41) 1 . . 1 0.005 mm . 2 lc a4/12 lc bc3/12 lc d4/64 lc fe3/64 KS L 2401:2009 7 1 7: 1987 1 ISO 7884 7, Glass Vis
6、cosity and viscometric fixed pointsPart 7: Determination of annealing point and strain point by beam bending . ISO 7884( ) . 1: (KS L ISO 7884 1 ) 2: (KS L ISO 7884 2 ) 3: (KS L ISO 7884 3 ) 4: (KS L ISO 7884 4 ) 5: (KS L ISO 7884 5 ) 6: (KS L ISO 7884 6 ) 7: (KS L ISO 7884 7 ) 8: (KS L ISO 7884 8 )
7、 1 ISO 7884 7 . . . . ISO 7884 7 . VFT (ISO 7884 1 ) . . ISO 7884 4 , , . ISO 7884 7 . 2 . , . 300 800 . 3 KS L 2401:2009 8 . . ( ) . KS C IEC 60584 1, 1: 4 ISO 7884 7 . 4.1 f3 f4 . 1013dPa s2) , (ISO 7884 1 ). 4.2 , f3 ISO 7884 7 , (41) /min . df/dt mm/s . (1) . c3s12a105.44ddImltf (1) ls : (mm) m
8、: (g) Ic : ( A ) (1) df/dt 1013.2dPa s . 4.3 , f4 , 0.031 6 . 1014.7dPa s . 5 . . 3) 2) 1 dPa s2msdN1 1 P 3) ISO 7884 1: 1987 , B “ ” . KS L 2401:2009 9 . 6 6.1 . , B ISO 7884 4 . 2 , 13 mm . 6.2 6.2.1 10 % / (KS C IEC 60584 1 S ) / (KS C IEC 60584 1 K ) ( 0.5 mm .) ( ). 6.2.2 . 5 mm . ISO 7884 1 ,
9、. 6.2.3 , S (KS C IEC 60584 1 ) 1 V , K (KS C IEC 60584 1 ) 4 V , (zero current) . 0 . . 6.3 , , 5 /min . , . 6.4 . ( C ). ( ). . . 50 mm . 4)4) 6.4(ASTM C 598) Insaco Inc., P.O. Box 422, Quakertown, Pa., USA. . ISO 7884 , ISO . KS L 2401:2009 10 . . B . . 900 . 6.5 2.5 mm . , 0.025 mm , 0.002 5 mm
10、. 0.005 mm . . (LVDT) . ( , , ) . LVDT B . B LVDT . , . 6.6 0.01 mm . 7 7.1 7.1.1 . . 2 % . 50 mm 2 10 mm4 . ISO 7884 4 . ( A ) ( 2 ) . . 7.1.2 7.1.1 . . 7.2 1 1 . , LVDT , , . KS L 2401:2009 11 m . 1 1 8 8.1 . 8.1.1 25 , , . 8.1.2 7.2 B.1 LVDT . 8.1.3 . 5 . (mm/s) (41) . c3s10e107ddImltf (2) (1) .
11、. 1012dPa s . 8.1.4 30 . , 1 . 10 . 1/3 . . 10 mm . , mm4, g KS L 2401:2009 12 8.1.5 (1 ) 1 , ( 400 mm) ( 250 300 mm) . . 1 2 . 1 2 8.2 7.1.1 8.1.1 8.1.4 . 8.1.5 1 2 . , (df/dt)a 1 2 . , (df/dt)a ( ) 1/Ic ( A , Ic ) 1 3 . . . ( ), (df/dt)(), mm/s f3 f4KS L 2401:2009 13 1 3 8.3 7.1.2 8.1.1 8.1.4 , 8.
12、1.5 1 2 . 9 9.1 A Ic . 1/Ic 8.2 1 3 (df/dt)a . log(df/dt)a 1 2 8.3 , . f3 . 9.2 (3) (df/dt)s . 6.31)/d(dddastftf (3) ( 1 2 ). log(df/dt)s . f4 . 9.3 2 ( ) . , 1/Ic, mm 4(df/dt)a, mm/s (df t)aKS L 2401:2009 14 , . 2 . . . , . 10 . a) ISO 7884 7 b) c) d) e) f) g) h) ( ) i) ( ) j) KS L 2401:2009 15 A ( ) Ic: Ic a4/12 A.1 Ic bc3/12 A.2 Ic d4/64 A.3 Ic fe3/64 A.4 KS L 2401:2009 16 B (
copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1