Standard Historical Last Updated: Apr 13, 2016 Track Document
ASTM D6772/D6772M-15

Standard Test Method for Dimensional Stability of Sandwich Core Materials

Standard Test Method for Dimensional Stability of Sandwich Core Materials D6772_D6772M-15 ASTM|D6772_D6772M-15|en-US Standard Test Method for Dimensional Stability of Sandwich Core Materials Standard new BOS Vol. 15.03 Committee D30
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Significance and Use

5.1 Sandwich panel cores may change planar dimensions when heated. This phenomenon can be associated with the effects of heating upon the core material itself, as well as changes in core moisture content resulting from the heating cycle. It is prudent to know if this may be problematic with regard to the intended final part dimensions.

5.2 This test method provides a standard method of characterizing the dimensional stability of sandwich core materials for design properties, material specifications, research and development applications, and quality assurance.

5.3 Factors that influence dimensional stability of sandwich core materials and shall therefore be reported include the following: core material, methods of material fabrication, core geometry, core thickness, core thickness uniformity, cell wall thickness, specimen geometry, specimen preparation, heating and cooling environments (including temperatures and humidity levels), and specimen conditioning (both prior to and after heating).

Scope

1.1 This test method covers the determination of the sandwich core dimensional stability in the two plan dimensions.

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.2.1 Within the text, the inch-pound units are shown in brackets.

1.3 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.

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Details
Book of Standards Volume: 15.03
Developed by Subcommittee: D30.09
Pages: 5
DOI: 10.1520/D6772_D6772M-15
ICS Code: 83.120