Effect of machining parameters and heat treatment on the residual stress distribution in titanium alloy IMI-834

The residual stress variation in titanium alloy IMI-834 as a function of depth following milling at different feeds, speeds and depths of cut was determined by a strain-gauge technique involving blind-hole drilling. The residual stresses were found to be compressive in nature and to be dependent upo...

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Bibliographic Details
Published inJournal of materials processing technology Vol. 139; no. 1; pp. 628 - 634
Main Authors Sridhar, B.R., Devananda, G., Ramachandra, K., Bhat, Ramaraja
Format Journal Article
LanguageEnglish
Published Elsevier B.V 20.08.2003
Subjects
IMI-834
Residual stress
Strain-gauge technique
Strain-gauge technique
Residual stress
IMI-834
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Summary:The residual stress variation in titanium alloy IMI-834 as a function of depth following milling at different feeds, speeds and depths of cut was determined by a strain-gauge technique involving blind-hole drilling. The residual stresses were found to be compressive in nature and to be dependent upon the milling parameters. Heat treatment was found to relieve the residual stresses, the degree of stress relief being found to increase with increase in temperature. Optimum temperatures were determined at which significant relaxation occurred without adversely affecting the microstructure and mechanical behaviour of the material.
Bibliography:SourceType-Scholarly Journals-2
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ISSN:0924-0136
DOI:10.1016/S0924-0136(03)00612-5