KS B 0951-2008 Instrumented indentation tests on welds in steel－Measurement of residual stress on welded joints《钢铁焊接缺口测试工具 残留应力测试》.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS B 0951 KS B 0951:2008 2008 12 5 http:/www.kats.go.krKS B 0951:2008 : ( ) ( ) () () () () ( ) : (http:/www.standard.go.kr) ： ： 2005 5 3 ： 2008 12 5 2008-0862 ： ： ( 025097274) (http:/www.kats.go.kr). 10 5 , . KS B 0951:2008 Instrumented indentation tests on

2、 welds in steel Measurement of residual stress on welded joints ( ) 2005 . , KS B ISO 14577 1 KS B 0950 . 1 . (KS B ISO 14577 1 1 ) 2 N , 3 kN . , . 2 . . ( ) . KS B 0811, KS B 0950, KS B ISO 14577 1, 1： KS B ISO 14577 2, 2： ISO guide to the expression of uncertainty in measurement 3 . KS B 0951:200

3、8 2 3.1 KS B ISO 14577 1 3.2 136 . KS B 0811 . a) b) 1 3.3 . KS B 0950 . 3.4 KS B 0950 A , , 4 1 . F KS B 0951:2008 3 1 0 . . A mm2b . . d mm d1 d2 mm F N FC N Fmax N FT h mm hm mm hmaxFmax mm hp mm hrFmax mm HIT (KS B ISO 14577 1 ) N/mm2Hopt N/mm2k N/mm2p s . . S Fmax N/mm w . . 2 IT, r 0.08 N/mm2

4、IT, u (KS B 0950 ) N/mm2 IT, y (KS B 0950 ) N/mm2 res N/mm2 z, d N/mm2 , 5 (F) (h) ( 2 ) , ( .) , ( A.1 ). , KS B 0951:2008 4 , A.2.2 . . (zero point) (8.3 ). A . 2 6 . 6.1 1.0 % (KS B ISO 14577 2 4.3.3 ). 6.2 , . 6.3 , 500 nm (KS B ISO 14577 2 4.4.1 ) . 6.4 . , . 6.5 . 8.1 , (displacement drift) 50

5、0 nm (KS B ISO 14577 2 4.4.3 ) . 7 FmaxShphrhmax (h)(F) KS B 0951:2008 5 . 7.1 , , . . 1 000 . . 1 , . . 7.2 . 7.3 . KS B ISO 14577 1 6.3 hmax 10 . 8 . 8.1 , 10 35 . . , . 8.2 . , . . 8.3 . KS B ISO 14577 1 7.3 2 . (step size in force) . 10 2 Fmax . 8.4 , . . a) b) c) KS B 0951:2008 6 d) e) / f) / /

6、 g) h) (zero point： 8.3 ) i) j) KS B 0950 ( ) 1 ( ) ( ) . 2 / , / , , . 3 / 5 m/s, 0.5 s, 50 %, / 15 . . 4 KS B 0950 B . 8.5 , , . 8.6 KS B 0811 2 . 2 3 d 2.5 d d d1 d2 . KS B 0950 3 . 3 3 2.5 9 “ (Guide to the expression of uncertainty in measurement, ISO)” , . a) A A . b) B B . KS B 0951:2008 7 10

7、 . a) b) c) d) e) f) (8.4 ) g) h) (KS B 0950 10. ) i) j) ( ) k) KS B 0951:2008 8 A ( ) . A.1 A.1 . , . C1, C2. res res C1. (A.1) , (A.2) . A.1 sAFF )(T0res (A.1) sAFF )(C0res (A.2) 2 res pres(p ) . ( ) , (A.3) C1. sAFFp )(13)1(T0resdz, sAFF )(1C0(A.3) hm (h)FCF0FT(F) KS B 0951:2008 9 3.0 C3. (A.1) (

8、A.2) (A.4) (A.5) res , pres . sAFFp)()1(31T0res (A.4) sAFFp)()1(31C0res (A.5) A.2 A.1 . . A.2.1 . (A.4) (A.5) , KS B 0950 . 1 A . 2 . A.2.2 ( ) (A.6) . 2a0)( hhkFb (A.6) ha . ( ) (A.7) , . 2a0)( hhkFw (A.7) 1 A 0 s . 2 b w . KS B 0950 wIT,r bIT,r . C4 (A.8) wk0 , (A.7) KS B 0951:2008 10 ( ) . rIT,rI

9、T,00bwbwkk (A.8) IT,r KS B 0950 0.08 . A.2.3 ( ) (A.9) , (A.10) ( B ). hc 1.04(hmax ha)(A.9) c20IT,5.24 hFHsb (A.10) 0.08 C3, C5, ( ) . rIT,rIT,0IT,0IT,bwbwHH (A.11) C1, C2, C6 ( ) ( ) . ( ) . 0ITIT ,ws,wHH (A.12) 0IT,wwswsHFA (A.13) A.2.4 2 ( ) A.2.1 , ( ) (A.7) (A.8) . ( ) (A.13) , . wswwAFFp)()1(

10、31T0res (A.14) wswwAFFp)()1(31C0res (A.15) p 1/3 . A.1 pres . KS B 0951:2008 11 B ( ) A (A.9) (A.10) . (A.9) (A.10) (HIT) . (Hopt) . , B.1 . B.1 (HIT) HoptKS B 0951:2008 12 C ( ) C1 Y.-H. Lee, W. Ji, D. Son, J.-i. Jang, and D. Kwon; J. Kor. Inst. Met. J. Kor. Inst. Met. “The Hardness of Metals“ Clar

11、endon Press, Oxford, UK (1951) C4 J.G. Swadener, B. Taljat, G.M. Pharr; J. Mater. Res., 16 (2001) 2091 C5 K.L. Johnson; “Contact mechanics“ Cambridge University Press, Cambridge, UK (1985) C6 T.Y. Tsui, W.C. Oliver and G.M. Pharr; J. Mater. Res., 11 (1996) 752 135513 7017 (02)60094114 (02)600948878 http:/ KS B 0951:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Instrumented indentation tests on welds in steelMeasurement of residual stress on welded joints ICS 77.040.10 Korean Agency for Technology and Standards http:/www.kats.go.kr