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Metallurgical and Materials Transactions B

, Volume 3, Issue 11, pp 2949–2957 | Cite as

Corrosion fatigue of type 4140 high strength steel

  • H. H. Lee
  • H. H. Uhlig
Environmental Interactions

Abstract

Fatigue tests were carried out on 4140 steel heat treated to various hardness levels. Environmental effects are reported in dry and moist air, aerated and deaerated 3 pet NaCl solution, and under conditions of cathodic protection and of passivity. Critical corrosion rates were measured below which the environment does not affect fatigue life. The results are interpreted in terms of environmentally-induced plastic deformation.

Keywords

Fatigue Corrosion Rate Fatigue Life Passive Film Critical Current Density 
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Copyright information

© The Metallurgical of Society of AIME 1972

Authors and Affiliations

  • H. H. Lee
    • 1
  • H. H. Uhlig
    • 2
  1. 1.Inland Steel Co.South Chicago
  2. 2.Department of Metallurgy and Materials ScienceM.I.T.USA

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