Encapsulation technique for conducting mechanical properties tests of metallic specimens in a controlled environment without a retort

B. A. Kschinka, D. L. Marriott, J. F. Stubbins, N. Vassos

Research output: Contribution to journalArticle

Abstract

The procedure consists of brazing stainless steel flexible bellows tubing on a test specimen in such a manner that the tubing acts as a miniature retort around the gage section of the specimen. While convenient, this method demands a special correlation relating strain in the gage section to displacement between the specimen shoulders in order to conduct displacement-controlled fatigue tests. Results of such tests using vacuum encapsulated specimens were generally excellent and agreed reasonably well with data from related studies, supporting the validity of both the encapsulation technique and the subsequent correlation.

Original languageEnglish (US)
Pages (from-to)368-372
Number of pages5
JournalJournal of Testing and Evaluation
Volume17
Issue number6
StatePublished - Nov 1 1989

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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