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BS EN 10371:2021

BS EN 10371:2021

$198.66

Metallic materials. Small punch test method

Published By Publication Date Number of Pages
BSI 2021 64
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This document specifies the small punch method of testing metallic materials and the estimation of tensile, creep and fracture mechanical material properties from cryogenic up to high temperatures.

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PDF Pages PDF Title
2 undefined
29 Annex A (informative) Determining the compliance of a small punch test rig for displacement measurements
A.1 Introduction
30 A.2 Experimental determination of system compliance
31 A.3 Numerical determination of system compliance
32 Annex B (informative) Procedure for temperature control and measurement during small punch testing
B.1 Verification of temperature uniformity
33 B.2 Temperature measurement
B.2.1 General
B.2.2 Thermocouples
B.2.2.1 General
34 B.2.2.2 Calibration of thermocouples
B.2.2.3 Information concerning methods of calibration of thermocouples
35 B.2.2.4 Thermocouple drift
B.2.3 Calibration of the temperature measuring equipment
B.2.4 Recording of temperature
B.2.5 Heating of the test piece for elevated temperature testing
36 B.2.6 Cooling of the test piece for cryogenic temperature testing
B.2.7 Test environment
37 Annex C (informative) Estimation of ultimate tensile strength Rm from small punch testing
C.1 General approach
C.2 Specification of the Fm based correlation
38 C.3 Specification of the Fi based correlation
41 Annex D (informative) Estimation of proof strength Rp0,2 from small punch testing
D.1 Principle
D.2 Correlations
42 Annex E (informative) Estimation of DBTT from small punch testing
E.1 General approach
E.2 Determination of the TSP based on the SP energy
43 E.3 Determination of TSP based on the effective fracture strain
45 Annex F (informative) Estimation of fracture toughness from small punch testing
F.1 Principle
F.2 Two-step correlation for determination of KIc
46 F.3 Empirical correlation between εf and JIc
F.4 Determination of δIc using notched specimens
48 Annex G (informative) Estimation of creep properties from small punch creep testing
G.1 General approach
G.2 Force to stress conversion
51 G.3 Prediction of creep properties using the experimental correlations
G.4 Extrapolations based on SPC tests
52 Annex H (informative) Post-test examination of the test piece
H.1 Optical microscopy
H.1.1 General
H.1.2 Total deflection
H.1.3 Specimen degradation
H.1.4 Fracture appearance
54 H.2 Determination of effective fracture strain, εf
H.2.1 General
H.2.2 Sectioning
55 H.2.3 Non-destructive techniques
56 H.2.4 Measuring hf
58 Annex I (informative) Machine readable formats
I.1 Introduction
I.2 Small punch machine readable formats

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BS EN 10371:2021
$198.66