Матеріали металеві. Визначення твердості за Брінелем. Частина 1. Метод випробування

1 2 4

1 2 З? 4 5 6 7 8 9

—? —? —? —? —? ISO 6506 —? —? —? —?

MATERIALS METALLICBrinell hardness testPart 1. Test method
1 2 ISO 4498-1 Sintered metal materials, excluding hardmetals — Determination of apparent hardness — Part 1: Materials of essentially uniform section hardness
ISO 6506-2:2005 Metallic materials — Brinell hardness test — Part 2: Verification and calibration of testing machines
ISO 6507-4 Metallic materials — Brinell hardness test — Part 4: Table of hardness values.
ISO 4498-1 ISO 6506-2:2005 ISO 6506-4 З? 4 4.1 d _ di+d 2
2 h 2F
HBW = 0,102 ;
nD 2 (l-Vl-d 2 /D 2 ) 0,102 4.2 600 HBW 1/

5 5.1 5.2 5.3 6 6.1 6.2 6.3 7 7.1 7.2

7.3 7.4 7.5 7.6 7.7 7.8 —? —? 7.9
10
15 >80 10
15 8 —? —? 9 а?) Ь?) с?) d) е?) f)

—? —? U = k^ul+ul RM +u^ + ul + ul s ( X = x

I...] = HBW 2,5/187,5 1 _ X CRM Ue = 1,76
E . 2,8 2 “CRM - 2 Ucrm u CRM = _ ^ _ = 'l'IO 3 S H 3h = J^Z(4-H) 2
V H, = 245,8; S H i = 0,45 (2) 245,0 - 246,0 - 247,0 - - 246,0 - 247,0
u- = —— = 0,43
H -J5 5 JLi 11
N 5 X = 286,0 s x = 3,08 6 u 7 = — = 157
Vo 7 Um3 ’^3 8ms = 1 HBW 1
Ums- 2^ = 0 ’ 29

U = 5,3 HBW 12

4,1 HBW(M1) 14

1 GUM: Guide to the Expression of Uncertainty in Measurement, BIPIWIEC/IFCC/ISO/OIML/IUPAC/ IUPAP, 1993 1)
2 EA 10-16, Guidelines on the Estimation of Uncertainty in Hardness Measurements, 2001
3 Gabauer, W., Manual of codes of practice for the determination of uncertainties in mechanical tests on metallic materials. The estimation of uncertainties in hardness measurements, Project, No. SMT4-CT97-2165, UNCERT COP 14:2000
4 Gabauer, W. and Binder, 0., AbschStzung der Messunsicherheit in der HarteprQfung unter Verwendung der indirekten Kalibriermethode, DVM Werkstoffprufung, Tagungsband, 2000, pp. 255—261
5 Polzin, T. and Schwenk, D., Method for Uncertainty Determination of Hardness Testing; PC file for Determination, Materialprufung 44,(2002), 3, pp. 64—71
1 GUM: 2 4 Gabauer, W. and Binder, 5 Polzin, T. and Schwenk, D. ’’