GOST R ISO 14250-2013 Steel Metallographic characterization of duplex grain size and distribution《钢 双相的晶粒尺寸和分布的金相表征》.pdf

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1、 14250 2013 14250:2000 Steel - Mtallographic characterization of duplex grain size and distributions (IDT) 142502013 II 1 145 2 22 2013 . 2055-. 3 14250:2000 . (ISO 14250:2000 Steel - Metallographic characterization of duplex grain size and distribution). 4 1.02012 ( 8). ( 1 ) , - . () - - . , (gost

2、.ru) , 2014 , 142502013 1 Steel. Metallographic characterization of duplex grain size and distribution 201410011 , . 2 : O 643:2000 - (ISO 643:2000, Aciers - Dtermination micrographique de la grosseur de grain apparente) O 9042:1988 . (ISO 9042:1988, Aciers - Mthode manuelle destimation statistique

3、de la fraction volumique dun constituant laide de grilles de points) 3 , : 3.1 : , , . - 7.1. 3.2 ALA (As large as); AGS (Averge grain size); BD (Banding); BM (Bi Modal); CS (Cross section); Long. - (Longitudinal); NL (Necklace); OCC (Occasional); Trans. (Transverse); WR (Wide Range). 4 4.1 , , , .

4、4.2 , , . 4.3 , . 142502013 2 5 5.1 . 5.2-5.4. 5.2 , . , , , . 5.3 , O 9042 5.4 - ISO 643. 6 , , . , , , . . , . . , . 7 7.1 7.1.1 7.1.1.1 : 7.1.1.2 , . 5 % . 5 % , 7.1.1.4. ALA 1. 7.1.1.3 , . 2. 7.1.1.4 , 75 % . - 3. 7.1.2 7.1.2.1 : 142502013 37.1.2.2 , (, , ), . 4. 7.1.2.3 , ; . 5. 7.1.2.4 , . 6.

5、1 ALA 142502013 4 2 WR 3 142502013 5 4 S 5 NL 142502013 6 6 BD 7.2 7.2.1 . - - . . . ( ), . 7.2.2 , O 9042, , 7.2.1. 7.2.3 , . 10 . . 7.3 , O 643. 8 : ) ; b) ; ) ( ); d) ; ) ; f) ; g) : 142502013 7- L , ALA, WR, AGS .; - L , WR, WR, AGS .; - L , BM, WR, AGS .; - L , CS, WR, AGS , AGS ; - , NL, WR, A

6、GS, x % , y % ;. - , BD, WR, AGS, x % , y % 142502013 8 () .1 , ( ) 142502013 9 () ( ) - - - 643:2003 IDT 6432011 . - 9042:1988 IDT 90422011. C. - - . : - : IDT . 142502013 669.14:620.2:006.354 77.080 : , , , 01.08.2014. 60x841/8. . . . 1,40. 40 . . 2952. , 123995 , ., 4. www.gostinfo.ru infogostinfo.ru