ASTM-D5992 2011

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D5992-96(2011) Standard Guide for Dynamic Testing of Vulcanized Rubber and Rubber-Like Materials Using Vibratory Methods

Published By	Publication Date	Number of Pages
ASTM	2011	24

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Description

ASTM D5992-96-Reapproved2011

Historical Standard: Standard Guide for Dynamic Testing of Vulcanized Rubber and Rubber-Like Materials Using Vibratory Methods

ASTM D5992

Scope

1.1 This guide covers dynamic testing of vulcanized rubber and rubber-like (both hereinafter termed “rubber” or “elastomeric”) materials and products, leading from the definitions of terms used, through the basic mathematics and symbols, to the measurement of stiffness and damping, and finally through the use of specimen geometry and flexing method, to the measurement of dynamic modulus.

1.2 This guide describes a variety of vibratory methods for determining dynamic properties, presenting them as options, not as requirements. The methods involve free resonant vibration, and forced resonant and nonresonant vibration. In the latter two cases the input is assumed to be sinusoidal.

1.3 While the methods are primarily for the measurement of modulus, a material property, they may in many cases be applied to measurements of the properties of full-scale products.

1.4 The methods described are primarily useful over the range of temperatures from -70°C to +200°C (100°F to +400F) and for frequencies from 0.01 to 100 Hz. Not all instruments and methods will accommodate the entire ranges.

1.5 When employed for the measurement of dynamic modulus, the methods are intended for materials having complex moduli in the range from 100 to 100 000 kPa (15 to 15 000 psi) and damping angles from 0 to 90. Not all instruments and methods will accommodate the entire ranges.

1.6 Both translational and rotational methods are described. To simplify generic descriptions, the terminology of translation is used. The subject matter applies equally to the rotational mode, substituting “torque” and “angular deflection” for “force” and “displacement.”

1.7 This guide is divided into sections, some of which include:

1.8 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Keywords

apparatus; damping; dynamic; elastic; elastomer; guide; methods; modulus; rubber; spring rate; stiffness; testing : Damping; Dynamic analysis/testing; Elastomeric rubber materials; Modulus; Nonresonant vibratory data; Rubber; Spring rate; Stiffness; Vibratory methods; Vulcanized rubbers

ICS Code

ICS Number Code 83.060 (Rubber)

DOI: 10.1520/D5992-96R11

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Terminology
4	Summary Significance and Use Hazards
5	Factors Influencing Dynamic Measurement Test Methods and Specimens
6	FIG. 1 FIG. 2 FIG. 3
7	FIG. 4 FIG. 5 FIG. 6
8	FIG. 7 FIG. 8 FIG. 9 FIG. 10
9	FIG. 11
10	FIG. 12 FIG. 13 FIG. 14
11	Nonresonant Analysis Methods and Their Influences on Results FIG. 15
12	FIG. 16 FIG. 17
13	Report Keywords A1. MECHANICAL AND INSTRUMENTATION FACTORS INFLUENCING DYNAMIC MEASUREMENT A1.1 Scope A1.2 Nonresonant Forced Vibration
14	FIG. A1.1 FIG. A1.2 FIG. A1.3
16	A1.3 Free or Forced Resonant Vibration
17	X1. GUIDE TO FURTHER READING AND RELATED STANDARDS X1.1 X2. DOUBLE-SHEAR SPECIMENS—DERIVATION OF EQUATIONS AND DESCRIPTIONS OF SPECIMENS X2.1 Shear Modulus in a Double-shear Specimen X2.2
18	X2.3 X2.4 X2.5 FIG. X2.1 FIG. X2.2
19	X3. TORSION SPECIMENS: EQUATIONS AND DESCRIPTIONS OF SPECIMENS X3.1 Rectangular Cross Section X3.2 Circular Cross Section X4. COMPRESSION/TENSION SPECIMENS: DERIVATION OF EQUATIONS AND DESCRIPTIONS OF SPECIMENS X4.1 Compression/Tension Modulus FIG. X2.3
20	X4.2 X4.3 FIG. X4.1 TABLE X4.1
21	X5. FREE RESONANT VIBRATION—EQUATIONS FOR LOG DECREMENT AND STIFFNESS X5.1 Equations for Log Decrement and Stiffness FIG. X5.1 FIG. X5.2 FIG. X5.3
22	X6. OBTAINING LOSS FACTOR AND ELASTIC STIFFNESS FROM TRANSMISSIBILITY CURVES X6.1 Introduction X6.2 Data X6.3 Determining the Model X6.4 Measuring the Amount of Damping TABLE X5.1 FIG. X6.1
23	X6.5 Determining the Undamped Natural Frequency X6.6 Calculating the Elastic Stiffness X6.7 max Frequency—Models Compared X6.8 Phase—Models Compared FIG. X6.2 FIG. X6.3 FIG. X6.4
24	X6.9 Dynamic Deflection Across the Specimen

Additional information

Standard Title	D5992-96(2011) Standard Guide for Dynamic Testing of Vulcanized Rubber and Rubber-Like Materials Using Vibratory Methods
Published Code	ASTM
Publication Date	2011
Pages Count	24