GOST ISO 8891-2011 Dental casting alloys with noble metal content of at least 25% but less than 75% Technical requirements Test methods《贵金属含量至少为25%但不低于75%的牙科用铸造合金 技术要求 试验方法》.pdf

1、 , (C) INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION (ISC) 25 % 75 % . (ISO 8891:1998, IDT) 2013 ISO 8891 2011 ISO 8891-2011 II , 1.092 . 1.22009 . , . , , , 1 - () 2 () 3 , ( 40-2011 29 2011 .) : ( 3166) 00497 ( 3166) 00497 BY KZ KG RU UZ TJ 4 13 2011 . 1334- ISO 88912011 1 20

2、13 . 5 ISO 8891:1998 Dental casting alloys with noble metal content of at least 25 % but less than 75 % ( 25 % 75 %). C (IDT). 88912005 . 6 ( ) . ISO 8891-2011 III , . . C, 2013 , ISO 8891-2011 V . IS 10993-1 1 IS 7405 2. . , . B . IS 10271 3 , , . . ISO 8891-2011 1 25 % 75 % . Dental casting alloys

3、 with noble metal content of at least 25 % but less than 75 %. Techical requirements. Test methods 2013-01-01 1 ( ) 25 % 75 % . , . 1 , 75 % , IS 1562 4. 2 , , IS 9693. 2 : IS 3585:1998 Borosilicate glass 3.3 Properties ( 3.3. ) IS 3696:1987 Water for analytical laboratory use Specification and test

4、 methods ( . ) IS 6507-1:1997 Metallic materials - Vickers hardness test - Part 1: Test method ( . . 1. ) ISO 8891-2011 2 IS 6892:1998 Metallic materials - Tensile testing at ambient temperature ( . ) IS 9693:1991 Dental ceramic fused to metal restorative materials ( ) 3 : 1 , , . 2 , , . 3 , , , ,

5、, . 4 , , , , , , , . 4 4.1 25 % 75 % , , , . 0,5 % ( ) , (. 9.2, c). 0,02 % 0,1 % . (. 9.2, j). ISO 8891-2011 3 . 4.2 . . 4.3 , 1. 7.2 7.3. 1 0,2 % ( 0,2), 1) , % 1 80 180 18 2 180 240 12 3 240 12 4 300 450 10 3 1) 1 =1 /2. 4.4 0,5 /3, (. 9.2, g). . 4.5 . . 4.6 . . 4.7 . . 5 6.2 . ISO 8891-2011 4 .

6、 6 6.1 , , . . , , . . 6.2 , 1 2, 6.1. 1 ISO 8891-2011 5 2 (. 8.1, ). , (. 8.1, d). , . 7 7.1 , 8 9. 7.2 , 0,2 % , 0,2 %, ISO 6892 6.1 6.2. (1,50,5) / . 0,2 % . , , 4.3. . 7.3 ISO 6892 , 7.2. ISO 8891-2011 6 , , 4.3. 4.3 . 7.4 5 /2 (8.1, ). 7.5 1 % (8.1, ). 8 8.1 : ) 0,2 % 7.4, 7.5 V5/30, ISO 6507-1

7、 8.1, ) 8.1, d); b) ; c) ; d) ( ); e) ( ). 8.2 . 8.3 0,1 % 0,02 % , , - , (9.2, j). , . ISO 8891-2011 79 9.1 , . 9.2 , : ) - / ; b) ; c) , 1 %; d) ; e) , 3; f) ; g) ; h) ( , ); i) ; j) (.8.3) () () () . ISO 8891-2011 8 () .1 34 13 1,5 6.1. 125 . (.8.1, d), . 0,1 , . , . .2 .2.1 .2.1.1 ( 90 %) 363, . .2.1.2 NCl, . .2.1.3 ISO 3696. .2.1.4 ISO 3585. .2.1.5 . .2.2 . 10,01 ( 90 %) 300 3 , 5,85 1000 3. , 2,2 2,4 .