Effects of inert gases on fatigue crack growth and their transportation into subsurface regions in titanium

Masayuki Shimojo, Y. Higo, Y. Oya-Seimiya

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

To clarify the effects of inert gases on the fatigue behavior of titanium, fatigue crack growth tests were carried out in pure inert gases and in vacuum. Fatigue crack growth rates increased, and the fracture surface appearance was changed in inert gases, as compared to those in vacuum. The transportation of inert gases into subsurface regions of fracture surfaces was confirmed using Auger electron spectroscopy. This transportation is considered to be due to the reverse slip of slip planes on which inert gas atoms have adsorbed.

Original languageEnglish
Pages (from-to)1435-1441
Number of pages7
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
Volume31
Issue number5
Publication statusPublished - 2000 May
Externally publishedYes

Fingerprint

Noble Gases
Inert gases
Titanium
Fatigue crack propagation
rare gases
cracks
titanium
slip
Vacuum
vacuum
Auger electron spectroscopy
adatoms
Auger spectroscopy
electron spectroscopy
Fatigue of materials
Atoms

ASJC Scopus subject areas

  • Materials Science(all)
  • Metals and Alloys

Cite this

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