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Normas ASTM – AENOR
ASTM D4848-98(2004)e1

ASTM D4848-98(2004)e1

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

Fecha:
2012-08-31 /Historical
Superseeded by:
Scope:

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

TermSymbolMathematical
Expression
Unit
LengthLmm (in.)
ExtensionΔLmm (in.)
StrainΔL/L
ElongationΔL/L × 100%
Linear densityD1Atex (den)
Cross-sectional
area
Amm2 (in.2)
ForceFN (lbf)
TensionTN (lbf)
StrengthSN (lbf)
TenacityF/D1AmN/tex (lbf/den)B
StressF/AN/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

52,15
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