KS D ISO 2740-2009 Sintered metal materials excluding hardmetals-Tensile test pieces《超硬合金属材料除hardmetals 张力测试片》.pdf

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1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS D ISO 2740 KS D ISO 2740:2009 2009 9 17 http:/www.kats.go.krKS D ISO 2740:2009 : ( ) ( ) NFM () () NS ( ) : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2004 9 16 :2009 9 17 2009-0555 : : ( 02-509-7274) (http:/www.kats.go.kr). 10 5 , . KS D ISO 2740:2009 S

2、intered metal materials, excluding hardmetals Tensile test pieces 2009 5 ISO 2740, Sintered metal materials, excluding hardmetalsTensile test pieces , . 1 . . (MIM) 2 . . ( ) . KS B ISO 7500 1, 1: / ISO 6892, Metallic materials Tensile testing at ambient temperature 3 3.1 ISO 6892 , KS B ISO 7500 1

3、1 . 3.2 3 . 4 4.1 KS D ISO 2740:2009 2 (5 6.5) mm . 1.5 mm . . 25 mm 1 a) 2 a). 0.04 mm . . 0.25 mm . 4.2 2 1 b) 2 b) . , . . 0.01 0.5 % . . . . 1 b) . 20 . 1 a) . 2 b) . . U . . 1 b) 2 b) . ( 5 ). 5 3 (MIM) . . U . . 6.525.00mm , 4.7725.00mm . 17 % . . 4.1 . , Lc . KS D ISO 2740:2009 3 6 6.1 5 (but

4、ton-head) . 10 mm10 mm75 mm . 0.1 mm . . ( ). 20 . . 4.1 25 mm . 25 mm 0.5 % . 20 % . , . . . . 6.2 ISO 6892 . 4 mm . 2 . (1.5 2.5) mm ( 5 ). 7 . a) b) c) d) ( ) e) 4.1 f) , g) , h) i) KS D ISO 2740:2009 4 : mm a) b) 1 KS D ISO 2740:2009 5 : mm a) b) 2 KS D ISO 2740:2009 6 : mm a Lc b 0.1 c 0.1 Lc 0

5、2Ld 0.2Lt 0.5w 0.1 R1 0.5R2 0.5 D 0.1 A1 5.82 5.87 30.5 31.75 94 5.85 R 25 R 38 7.85 A2 3.8 3.85 30.5 27.5 85.5 3.85 R 23 R 23 6 3 A MIM : mm 4 B MIM KS D ISO 2740:2009 7 : mm 1 ( ) . a (centering) 5 135513 7017 (02)60094114 (02)600948878 http:/ KS D ISO 2740:2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Sintered metal materials, excluding hardmetalsTensile test pieces ICS 77.040.10 Korean Agency for Technology and Standards http:/www.kats.go.kr

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