• ASTM D4848-98(2004)e1

ASTM D4848-98(2004)e1

Standard Terminology Related to Force, Deformation and Related Properties of Textiles

ASTM International, 10/01/2004

Publisher: ASTM

File Format: PDF

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Published:01/10/2004

Pages:6

File Size:1 file , 92 KB

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1.1 This terminology standard is a compilation of definitions of technical terms related to force and deformation properties when evaluating a stress-strain curve of a textile. (See Figs. X1.1 and X1.2.) A chart showing the relationship of the basic terms is shown in Table 1. Terms that are generally understood or adequately defined in other readily available sources are not included.

1.2 For other terms associated with textiles, refer to Terminology D123.

TABLE 1 Relationship of Force and Deformation Terms

Term Symbol Mathematical
Expression
Unit
Length L mm (in.)
Extension ΔL mm (in.)
Strain ΔL/L
Elongation ΔL/L × 100 %
Linear density D1A tex (den)
Cross-sectional
area
A mm2 (in.²)
Force F N (lbf)
Tension T N (lbf)
Strength S N (lbf)
Tenacity F/D1A mN/tex (lbf/den)B
Stress F/A N/m2 (lbf/yd²)B

A In computers, this may be given as "LD" instead of "D1".

B For fibers, these inch-pound units are usually gf/den and gf/in.²

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