Accession Number:

ADA247449

Title:

A Method to Determine Moisture Profiles from Total Moisture Weight-Gain Data in Polymeric Composites

Descriptive Note:

Technical rept. 1 Oct 1990-30 Sep 1991,

Corporate Author:

TENNESSEE UNIV KNOXVILLE DEPT OF ENGINEERING SCIENCE AND MECHANICS

Personal Author(s):

• Weitsman, Y. J.

Report Date:

1991-09-12

Pagination or Media Count:

19.0

Abstract:

This article presents a numerical approximation scheme, based upon the method of moments, to evaluate moisture distributions within a composite plate from data on total moisture weight-gain. Although it is assumed that the diffusion process remains linear, the scheme applies to moisture uptake data which depart from classical predictions. Two examples are provided to demonstrate the validity of the scheme.

Descriptors:

• *COMPOSITE MATERIALS
• *DIFFUSION
• *POLYMERS
• *NUMERICAL ANALYSIS
• *MOISTURE
• *PROFILES
• METHOD OF MOMENTS
• PLATES
• PREDICTIONS
• MOMENTS

Subject Categories:

• Polymer Chemistry
• Laminates and Composite Materials

Distribution Statement:

APPROVED FOR PUBLIC RELEASE