GOST R ISO 9042-2011 Steels Manual point counting method for statistically estimating the volume fraction of a constituent with point grid《钢 用点格统计估算成分体积分数的人工格点计数法》.pdf

1、 90422011 ISO 9042:1988Steels Manual point counting method for statistically estimating the volumefraction of a constituent with a point grid(IDT) 27 2002 . 184- , 1.02004 . 1 145 - , 32 30 2011 . 655-3 9042:1988 . - (ISO 9042:1988 Steels Manual point counting method forstatistically estimating the

2、volume fraction of a constituent with a point grid)4 , - . () . - , , 2012 , - - II 904220111 .12 .13 14 .25 .26 37 Vc11048 .5III 90422011 Steels.Manual point counting method for statistically estimating the volume fraction of a constituent with a point grid 201301011 - - . , . , , .2 2.1 , , - , -

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5、10 2005 50 30 (15) (8) 125 80 40 (20) 500 320 165 8010 (25) (15) (10) (4) 65 40 (20) (10) 250 160 85 4020 (15) (10) (5) (4) 30 (20) (10) (5) 125 80 40 (20)3 90422011 1 , 2, , - n c644 100 12EVVPc45c110c110 T, E =0,01c180, %;Vc110 , %. 2 , , (5) , 3. 30 (5) ,3. 3 95 % n 5791113152025302,572,362,262,2

6、02,162,132,092,062,046.4 n , - , - . X Y . - , . - , - .6.5 , -. - . . , - Pp(i). , , . (1) , - :Pp(i)=PPiTc180 100.(1)7 Vc110 Pp Pp Pp=11nPiinp()c61c229.(2)4 90422011 c36s =112112nPi Pinc45c45c236c237c238c252c253c254c61c229() /pp.(3) Vc110 Vc110= Ppc177 CI. (4)95 % CI = c177 2c36sn.(5) ( 30), 2 (5) , 3. Vc110 % =CPIpc180 100.(6) , - , ; 50 %, .8 :) ;b) ;) (, );d) ;) ;f) , .5 90422011 669.14:620.2:006.354 77.080.20 09 0709 : , , ,6 90422011 . . . . 21.06.2012. 09.07.2012. 60 c180 8418. . . . 1,40. .-. . 0,65. 131 . . 617. , 123995 , ., 4.www.gostinfo.ru infogostinfo.ru . . , 105062 , ., 6.