Determination of Optimum Tropic Storage and Exposure Sites. Report 1: Survey of Programs in Tropic Materials Research

Abstract

The objectives of this investigation were to (a) determine the relative severity of environmental effects at experimental and established exposure sites and assign severity rates, (b) determine deterioration rates and patterns of six basic materials, (c) develop techniques for detecting early onset of deterioration, (d) survey the existing literature that pertains to the deterioration of materials exposed in the tropics; (e) determine the effects of tropic wet and dry seasons on deterioration; and (f) use the results to develop or update applicable storage and exposure Test Operation Procedures. Part of this investigation was a survey of the literature (objective d) dealing with tropic material deterioration. The survey selected journal articles and 'Prevention of Deterioration abstracts' for the period 1945 through 1970. Selected literature consisted of journal articles, papers, and books on the tropic deterioration of plastics, rubber, steel, and textiles. The survey presents a historical development of tropic exposure sites and tropic deterioration investigations. Conclusions are drawn on the relative deteriorative effects of climatic and biological factors.

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Document Details

Document Type
Technical Report
Publication Date
Apr 01, 1973
Accession Number
ADA005016

Entities

People

  • George F. Downs Iii
  • William F. Lawson Iii

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Aging (Materials)
  • Air Pollution
  • Alkenes
  • Biomedical And Dental Materials
  • Chemical Synthesis
  • Chemistry
  • Fungi
  • Geography
  • Material Degradation Processes
  • Materials Laboratories
  • Materials Science
  • Materials Testing
  • Medical Personnel
  • Plastics
  • Polymeric Films
  • Test And Evaluation

Readers

  • Library and Information Science
  • Materials Science and Engineering.
  • Urban Planning and Geography.