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GB/T 41641-2022Mechanical properties measurement - Room temperature tensile test on REBCO wires (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

October 12, 2022

Implementation date

May 1, 2023

Scope

GB/T 41641-2022 (Mechanical properties measurement - Room temperature tensile test on REBCO wires) is available as an English-translated PDF.

GB/T 41641-2022 is the Chinese standard "Mechanical properties measurement - Room temperature tensile test on REBCO wires". Its scope clause reads: This document describes a method and procedure for tensile testing of REBCO strip at room temperature.

The test methods described in this document apply to It is used to measure elastic modulus and 0.2% specified plastic elongation strength. The data of elastic limit, breaking strength and elongation after break are for reference only.

This document is suitable for testing rectangular cross-section samples with a cross-sectional area of 0.12mm2~6.0mm2 (corresponding to a width of 2.0mm~ 12.0mm, superconducting tape with a thickness between 0.06mm and 0.5mm). Its clauses include terms and definitions.

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Document preview — GB/T 41641-2022

National Standard of the People's Republic of China

ICS: 29.050; 77.040.01
Classification: H 22

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Principle
5 device
5.1 General
5.2 Testing machine
5.3 Extensometer
6 Sample preparation
6.1 General
6.2 Length of the test piece
6.3 Determination of cross-sectional area (SO)
7 Test conditions
7.1 Clamping of Specimen
7.2 Installation of extensometer
7.3 Test speed
7.4 Test
8 Result calculation
8.1 Modulus of elasticity (E)
8.2 0.2% of the specified plastic elongation strength (Rp0.2-0 and Rp0.2-U)
9 Uncertainty of measurement
10 Test report
10.1 Sample
10.2 Results
Appendix A (informative) Chapter 1~Chapter 10 related additional information
Appendix B (informative) Evaluation of synthetic standard uncertainty of elastic modulus

1 Scope

This document describes a method and procedure for tensile testing of REBCO strip at room temperature. The test methods described in this document apply to

It is used to measure elastic modulus and 0.2% specified plastic elongation strength. The data of elastic limit, breaking strength and elongation after break are for reference only.

This document is suitable for testing rectangular cross-section samples with a cross-sectional area of 0.12mm2~6.0mm2 (corresponding to a width of 2.0mm~

12.0mm, superconducting tape with a thickness between 0.06mm and 0.5mm).

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

ISO 376 Calibration of standard dynamometers for the inspection of uniaxial testing machines for metallic materials (Metalicmaterials-Calibrationof

Note. GB/T 13634-2019 Calibration of standard dynamometers for inspection of uniaxial testing machines for metallic materials (ISO 376.2011, IDT)

ISO 7500-1 Inspection of static uniaxial testing machines - Part 1.Inspection and calibration of force measuring systems of tensile and (or) compressive testing machines

Note. GB/T 16825.1-2008 Inspection of static uniaxial testing machines - Part 1.Inspection and calibration of force measuring systems of tensile and (or) compressive testing machines (ISO 7500-1.2004, IDT)

ISO 9513 Calibration of extensometer systems for uniaxial testing of metallic materials (Metalicmaterials-Calibrationofexten-

Note. GB/T 12160-2019 Calibration of Extensometer System for Uniaxial Testing of Metallic Materials (ISO 9513.2012, IDT)

3 Terms and Definitions

The following terms and definitions apply to this document as defined by the IEC and ISO online platforms.

The following are the URLs of the term bases maintained by ISO and IEC for standardization work.

3.1 Tensile stress

The quotient of the tensile force at any time during the test divided by the original cross-sectional area of the specimen.

3.2 Tensile strain

GB/T 44030 | GB/T 43354 | GB/T 43115 | GB/T 12443 | GB/T 10128 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 376 · ISO 376.2011 · ISO 7500 · ISO 9513 · ISO 9513.2012

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