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ASTM D 7750 : 2012

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Test Method for Cure Behavior of Thermosetting Resins by Dynamic Mechanical Procedures using an Encapsulated Specimen Rheometer
Available format(s)

Hardcopy , PDF

Superseded date

12-06-2023

Language(s)

English

Published date

15-11-2012

CONTAINED IN VOL. 15.03, 2017 Defines the use of dynamic mechanical instrumentation for determination and reporting of the thermal advancement of cure behavior of thermosetting resin on an inert filler or fiber in a laboratory.

1.1This method covers the use of dynamic mechanical instrumentation for determination and reporting of the thermal advancement of cure behavior of thermosetting resin on an inert filler or fiber in a laboratory. It may also be used for determining the cure properties of filled resins and resins without reinforcements. These encapsulated specimens are deformed in torsional shear using dynamic mechanical methods.

1.2This method is intended to provide means for determining the cure behavior of thermosetting resins on fibers over a range of temperatures from room temperature to 250°C by forced-constant amplitude techniques (in accordance with Practice D4065). Plots of complex modulus, complex viscosity, and damping ratio or tan delta as a function of time or temperature, or both, quantify the thermal advancement or cure characteristics of a resin or a resin on fiber.

1.3Test data obtained by this method is relevant and appropriate for optimizing cure cycles.

1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4.1Exception—The fahrenheit temperature measurement in 10.1 is provided for information only and is not considered standard.

1.5This 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.

Committee
D 30
DocumentType
Test Method
Pages
8
ProductNote
Reconfirmed 2012
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy

ASTM D 4762 : 2018 Standard Guide for Testing Polymer Matrix Composite Materials

ASTM E 380 : 1993 Standard Practice for Use of the Internation System of Units (SI) (the Modernized Metric System) (Withdrawn 1997)
ASTM D 6507 : 2016 : REDLINE Standard Practice for Fiber Reinforcement Orientation Codes for Composite Materials
ASTM D 4065 : 2012 : REDLINE Standard Practice for Plastics: Dynamic Mechanical Properties: Determination and Report of Procedures
ASTM D 4000 : 2016 : REDLINE Standard Classification System for Specifying Plastic Materials

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