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BSI 22/30430470 DC 2022

BSI 22/30430470 DC 2022

$13.70

BS EN ISO 204. Metallic materials. Uniaxial creep testing in tension. Method of test

Published By Publication Date Number of Pages
BSI 2022 57
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PDF Catalog

PDF Pages PDF Title
1 30430470-NC.pdf
3 ISO_DIS 204 ed.4 – id.82162 Enquiry PDF (en).pdf
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
14 4 Symbols and designations
15 5 Principle
16 6 Apparatus
6.1 Testing machine
6.2 Extension and elongation measuring devices
6.2.1 Extension measuring device
17 6.2.2 Elongation measuring device
6.3 Heating device, temperature measuring equipment and calibration
6.3.1 Permissible temperature deviations
18 6.3.2 Temperature measurement
19 6.3.3 Thermocouples
6.3.4 Calibration of the thermocouples
20 7 Test pieces
7.1 Shape and dimensions
7.1.1 Shape and dimension of smooth test pieces
21 7.1.2 Shape and dimension of notched test pieces
7.2 Preparation
7.3 Determination of the original cross-sectional area
22 7.4 Marking of the original gauge length, Lo
7.5 Determination of the reference length, Lr
23 8 Test procedure
8.1 Heating of the test piece
8.2 Application of the test force
24 8.3 Test interruptions
8.3.1 Planned interruptions of the test
8.3.2 Multiple test piece machine with several test pieces in line
8.3.3 Combined test
8.3.4 Accidental interruption of the test
8.4 Recording of temperature and elongation or extension
8.4.1 Temperature
8.4.2 Elongation and extension
25 8.4.3 Elongation-time diagram or extension-time diagram
9 Determination of results
10 Test validity
11 Accuracy of the results
11.1 Expression of the results
11.2 Final uncertainty
26 12 Test report
31 Annex€A (informative) Information concerning drift of thermocouples
34 Annex€B (informative) Information concerning methods of calibration of thermocouples
35 Annex€C (normative) Creep testing using test pieces with V or blunt circumferential notches
39 Annex€D (informative) Method of estimating the uncertainty of the measurement in accordance with the Guide to the expression of uncertainty in measurement (GUM)
45 Annex€E (informative) Representation of results and extrapolation
54 Bibliography

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BSI 22/30430470 DC 2022
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