ДСТУ ISO 6508-1:2013
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Rockwell hardness testPart 1. Test method(scales 1 2 ISO 6508-2:2005 Metallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machines (scales ISO 6508-2:2005
4 4.1
S N h HRC
HRT 4.2
1 — 2 - - 4 — 5 — 6 — 7 —
5 5.1 5.2 5.3 5.4 6 6.1 6.2 6.3 6.4 7 7.1 7.2 7.3 1 7.4 7.5 7.6
7.7 7.8 8 —? —? 9 а?) Ь?) с?) d) е?) f)
A.2
X —
X— Y —
X— V —
d
- f160 Jd
—? —? — ( G.1.
G.2 G.3 — — G.4 G.4.1 U = k'jul+ul™ + + X = x + U. (G.2)
G.4.2 L'corr = ^T^CRM + " ^corr=(x + b) + U corr (G.4)
'^ucorr = * - ( G.5
ISO 6508-2.
2,8 2
“ S x n
X = n
S = —— 5 (7= = = 0,53
/ 5 7 ™ 2 u ms = - 0,03
2/3 8
= HRC 9
v- I C I
I l-Q —
'I (if S b = 0,0565 10
l n m t = 1,84 b -J2 11
^_ 2 ,0,54^--010 08
V 0,53 2 +0,03 2
07 — 1,55 HRC 12
(7 (7 ■?^ Z4 ucorr ^ucorr ~ — 4:orr + |^|) !SO 6508-1:2013
1 ISO 3738-1 Hardmetals — Rockwell hardness test (scale A) — Part 1: Test method
2 ISO 4498-1 Sintered metal materials, excluding hardmetals — Determination of apparent hardness — Part 1: Materials of essentially uniform section hardness
З? 4 EA 10-16 Guidelines on the Estimation of Uncertainty in Hardness Measurements, 2001
5 Gabauer W. Manual of Codes of Practice for the Determination of Uncertainties in Mechanical Tests on Metallic Materials. The Eestimation of Uncertainties in Hardness Measurements, Project, No. SMT4-CT97-2165, UNCERT COP 14:2000
6 Gabauer W., Binder O. Abschatzung der Messunsicherheit in der Harteprufung unter Verwendung der indirekten Kalibriermethode, DVM Werkstoffprufung, Tagungsband, 2000, S. pp. 255—261
7 Polzin T, Schwenk D. Estimation of uncertainty of hardness testing; PC file for the determination, Materialprufung 3,(2002), 44, pp. 64—71
8 ISO 6508-3:2005 Metallic materials — Rockwell hardness test — Part 3: Calibration of reference blocks (scales