GB/T 43013-2023Man-made fibre—Determination of dynamic elastic modulus—Sonic-pulse propagation method (English PDF)
化学纤维 动态弹性模量的测定 声脉冲传播法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
September 7, 2023
Implementation date
April 1, 2024
Scope
GB/T 43013-2023 is the English-translated version of 化学纤维 动态弹性模量的测定 声脉冲传播法.
This document describes a test method for determining the dynamic elastic modulus of man-made filament yarns, known as the sonic modulus, by the sonic-pulse propagation method.
The document applies to man-made filament yarns of every processing type, including pre-oriented, medium-oriented and highly oriented yarn, drawn yarn, monofilament and industrial yarn, and of every material, including polyester, polyamide, polypropylene, acrylic, viscose, aramid and ultra-high-molecular-weight polyethylene.
Other yarns, slivers, tapes and film materials may follow it as a reference. It does not apply to elastane filament or to draw-textured yarn.
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Document preview — GB/T 43013-2023
National Standard of the People's Republic of China
- ICS
- 59.060.20
- Classification
- W 50
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative reference documents
- 3 Terms and definitions
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.
1 Scope
This document describes a test method for determining the dynamic elastic modulus of chemical fiber filaments (hereinafter referred to as acoustic modulus) using the acoustic pulse propagation method.
This document is applicable to different processing of chemical fiber filaments, including pre-oriented yarn, medium-oriented yarn, highly oriented yarn, drafted yarn, monofilament, industrial yarn, etc.
Method filaments also include polyester fiber, nylon, polypropylene, acrylic, viscose, aramid, ultra-high molecular weight polyethylene and other different material filaments. other Yarns, strips, tapes and film materials shall be implemented with reference to this document.
This document does not apply to spandex filament and drawn textured yarn (DTY).
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.
GB/T 1033.2 Determination of density of plastic non-foam plastics Part 2: Density gradient column method
GB/T 4146 (all parts) Textile chemical fibers
GB/T 6502 Chemical fiber filament sampling method
GB/T 6503 Test method for moisture regain of chemical fibers
GB/T 6529 Standard atmosphere for humidity conditioning and testing of textiles
GB/T 9994 Conventional moisture regain of textile materials
GB/T 14343 Test method for linear density of chemical fiber filaments
3 Terms and definitions
The terms and definitions defined in GB/T 4146 (all parts) and the following apply to this document.
3.1 The elastic modulus measured using dynamic methods such as vibration or acoustic frequency. [Source: LY/T 2382-2014,3.3]
3.2 Sonic modulus
Dynamic elastic modulus measured from minute stresses and strains in fiber specimens caused by pulsed acoustic wave perturbations.
Note: Acoustic modulus reflects the stiffness of the fiber material.
3.3 Sonic wave travel time
The sum of the actual propagation time of sound waves through the fiber sample being tested and the inherent delay time of the instrument.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1033.2Plastics -- Methods for determining the density of non-cellular plastics -- Part 2: Density gradient column method
- GB/T 6502Sampling method of man-made filament yarns
- GB/T 6503Man-made fibres—Test method of moisture regain
- GB/T 6529Textiles - Standard atmospheres for conditioning and testing
- GB/T 9994Conventional moisture regains of textile materials
- GB/T 14343Testing method for linear density of man-made filament yarns
GB/T 4146
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Related Standards
GB/T 1033.2-2010 — Plastics -- Methods for determining the density of non-cellular plastics -- Part 2: Density gradient column method
GB/T 14343-2008 — Testing method for linear density of man-made filament yarns
GB/T 4146.1-2020 — Textiles - Man-made fibres - Part 1: Generic names
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GB/T 43013-2023
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