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Tuesday, August 2, 2005
SES .3

Effectiveness Evaluation of the Titanium Nitride Deposition over Fatigue Life of Sae 4340 Steel

J. F. Cau, Johnson & Johnson Industrial, São José dos Campos, Brazil; C. Moura Neto, Instituto Tecnologico de Aeronautica, S. J. dos Campos, Brazil

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Summary: The purpose of this work is explore the use of steel SAE 4340 in special applications and to study the effectiveness of titanium nitride deposition in relation to the increase in fatigue life of this steel, under three conditions: annealed, quenched / tempered, and quenched / tempered with titanium nitride (TiN) coating.