1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS L ISO 7884 8 8 : KS L ISO 7884 8:2008(2013 ) 2008 10 30 http:/www.kats.go.krKS L ISO 7884 8:2008 : ( ) ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) : : 2003 11 28 : 2008 10 30 : 2013 10 26 : 2013 0571 : ( 02 509 7301) (http:/www.kats.go.kr). 10 5 , . KS L
2、 ISO 7884 8:2008 (2013 ) 8 : Glass Viscosity and viscometric fixed points Part 8: Determination of dilatometric transformation temperature 1987 1 ISO 7884 8, Glass Viscosity and viscometric fixed points Part 8: Determination of dilatometric transformation temperature , . KS L ISO 7884( ) . 1 : 2 : 3
3、 : 4 : 5 : (sinking bar) (working point) 6 : 7 : 8 : 6 7 KS L 2504, KS L 2401 . 1 tg . ( ) ( ) . . ( ) (KS L 2401) . tg . 2 . tg 350 800 . KS L ISO 7884 8:2008 2 3 . . ( ) . KS A 3251 1, 1 : KS C 1602, KS C IEC 60584 1: 2003, 1 : KS C IEC 60584 2: 2004, 2 : . KS L ISO 7884 3, 3 : KS L ISO 7991, ISO
4、7884 7, Glass Viscosity and viscometric fixed points Part 7: Determination of annealing point and strain point by beam bendingKS L 2401 1( ) 4 . a) (transformation temperature) tg 2 ( 1 ) tg 1013.3 dPa s1) . tg KS L 2401 Jf3 Jf4 . Jf3 tg 5 10 . ( ) Jf3 tg 30 . Jf3 tg 20 ( La2O3 ). Jf3 . 5 . . 1 . 6
5、. 6.1 l0 210 5l0( 100 mm 2 mm) . . tg . 1 5. . 1) 1 dPa s 1dN s/m2 1P(P .) KS L ISO 7884 8:2008 3 1 N . . 6.2 50 . 6.3 200 (51) /min . 5 . 6.4 2 ( KS C 1602 E, J, K .) . KS C 1602 R S , KS . 6.5 7 . 7.1 10 25 mm2 , 5104 . 0.1 N/mm2 . . 7.2 30 , 150 (20.2) /min . 2 . . 8 2 . (7.2 ) . . 200 (51) /min
6、. KS L ISO 7884 8:2008 4 . KS L ISO 7991 tg . 9 9.1 1 ( ) . 150 . 1.5 . ( 1 ) . 2 . 2 5 1 . . 2 5 . 1 KS A 3251 1 . 9.2 . : 3 : 6 10 . a) b) c) d) e) f) g) h) i) , tg, j) KS L ISO 7884 8:2008 5 1 tg( 521 ) 2 Dl/l0 (mm/m) t() 521 7 6 5 4 3 2 250 300 350 400 450 500 550 t() Dl/l0 (mm/m) 7 6 5 4 3 2 25
7、0 300 350 400 450 500 550 ( ) KS KS L ISO 7884 8: 2008, 8 : ISO 7884 8: 1987, 8 : ( ) (I) KS (II) (III) (IV) KS : : (V) KS 1. . ISO 7884 8 1. KS . IDT 2. ISO 7884 8 2. KS . IDT 3. KS A 3251 1 KS C 1602 ISO 7884 7 KS L ISO 7991 ISO 7884 8 3. IEC 60584 1 ISO 7884 7 ISO 7991 MOD/ KS ISO . KS , . 4. 2 I
8、SO 7884 8 4. KS . IDT 5. . ISO 7884 8 5. KS . IDT 6. 6.1 210 5 . ISO 7884 8 6. 6.1 KS . IDT 6 KSL ISO 78848:2008 (I) KS (II) (III) (IV) KS : : (V) KS 1 N , ISO 7884 8 KS . IDT 6.2 6.3 6.4 6.5 50 . , 200 (51) /min . 5 2 ( KS C 1602 E, J K ). ISO 7884 8 6.2 6.3 6.4 6.5 KS . IDT 7. 7.1 7.2 10 25 mm2 51
9、04 30 150 (20.2) /min . ISO 7884 8 7. 7.1 7.2 KS . IDT 7KSL ISO 78848:2008(I) KS (II) (III) (IV) KS : : (V) KS 8. 2 . 200 (51) /min ISO 7884 8 8. KS . IDT 9. 9.1 9.2 1 . 150 . . 2 . 2 5 KS A 3251 1 1 . 2 5 . : 3 , : 6 ISO 7884 8 9. 9.1 9.2 KS . IDT 8 KSL ISO 78848:2008 (I) KS (II) (III) (IV) KS : :
10、(V) KS 10. , tg ISO 7884 8 10. KS . IDT 1 : 150 . 2 ISO 7884 8 80 . MOD/ ISO . ISO/TC ISO KS : MOD 1 . IDT . MOD/ . MOD/ . MOD/ . MOD/ . 2 KS . IDT . MOD . NEQ . 9KSL ISO 78848:2008KS L ISO 7884 8:2008 10 KS L ISO 7884 8:2008 , . , . , . , . . ISO . ISO 7884 8: 1987, Glass Viscosity and viscometric
11、fixed points Part 8: Determination of dilatometric transformation temperature . 2 . . . . . KS C 1602 R S KS 1 300 . 150 ISO TC 48 KS KS . 8 : 135 513 701 7 (02)6009 4114 (02)6009 4887 8 http: / KS L ISO 7884 8:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS GlassViscosity and viscometric fixed pointsPart 8:Determination of dilatometric transformation temperature ICS 81.040.00 Korean Agency for Technology and Standards http:/www.kats.go.kr