TEARING INSTABILITY FRACTURE EXPERIMENTS WITH REACTOR PRESSURE VESSEL STEEL (A 508 cl. 3).

Kotoji Ando, Masaya Horino, Masumi Saka, Nobukazu Ogura

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Experimental investigation has been conducted to make clear the effects of initial crack length and loading system compliance on the tearing instability phenomena. J-integral fracture tests of A508cl. 3 steel have been performed on compact specimen in a test machine which employed coil spring to produce high testing compliance. Tearing crack velocity was measured by using crack depth indicator. Results were analyzed with respect to material and applied tearing moduli. Most stable-unstable behaviors are in good agreement with theoretical prediction. Loading system compliance and initial crack length have notable influence on J-integral at instability point and also maximum crack velocity.

Original languageEnglish
Pages (from-to)252-257
Number of pages6
JournalNippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume50
Issue number450
DOIs
Publication statusPublished - 1984 Jan 1

ASJC Scopus subject areas

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

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