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Normas ASTM – AENOR
ASTM D1054-02(2007)

ASTM D1054-02(2007)

Standard Test Method for Rubber Property-Resilience Using a Goodyear-Healey Rebound Pendulum (Withdrawn 2010)

Fecha:
2010-10-01 /Withdrawn
No replacement
Significance and Use:

The Goodyear-Healey3 rebound pendulum is designed to measure percent resilience of a rubber compound as an indication of hysteretic energy loss that can also be defined by the relationship between storage modulus and loss modulus. The percent rebound measured is inversely proportional to the hysteretic loss.

Deflection is determined by measuring the depth of penetration of the rebound ball into the rubber block under test.

Percent resilience and deflection are commonly used in quality control testing of polymers and compounding chemicals, especially reinforcing material.

Scope:

1.1 This test method covers the determination of impact resilience and penetration of rubber by means of the Goodyear-Healey rebound pendulum, see Fig. 1.

1.1.1 The term rubber, used within this method, shall refer to those substances classified as thermoplastic elastomers, vulcanized (thermoset) rubber, elastomeric materials, and cellular materials.

1.2 All materials, instruments, or equipment used for the determination of mass, force, direction, temperature or dimension shall have traceability to the National Institute for Standards and Technology, or other internationally recognized organization parallel in nature.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. Many of the stated dimensions in SI are direct conversions from the U.S. Customary System to accommodate the instrumentation, practices and procedures that existed prior to the Metric Conversion Act of 1975.

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:
deflection; Goodyear-Healey; pendulum; percentage rebound; RB; rebound; resilience
51,73
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