Processing and deformation studies on ultrafine grained titanium

Ramachandran, V and Abrahamson, EP (1982) Processing and deformation studies on ultrafine grained titanium. In: Titanium and titanium alloys: Scientific and technological aspects., New York.

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Abstract

Ultrafine grain sizes in the micron range have been developed in titanium by controlled minor alloy additions and deformation processing. The deformation behavior of this material has been studied in the temperature range 77 to 973 K. The strengthening eff ect of grain refinement is preserved over a wide temperature range. The work hardening rate in the dynamic strain aging region is found to depend on grain size, decreasing with decrease in grain size. The tensile elongation is a minimum in the dynamic strain aging region. Just beyond this region, there is a sharp increase in the necking strain, resulting in large tensile extensions. This sharp rise in necking strain is also a function of grain size, being higher for coarser13; grain sizes.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Rain Boundaries;Microstructure;Plastic Deformation; Titanium;Work Hardening;Aging(Metallurgy);Elongation; Temperature Profiles;13; TENSILE STRESS
Subjects: CHEMISTRY AND MATERIALS > Metals and Metallic Materials
Division/Department: Structures Division, Other
Depositing User: Ms Indrani V
Date Deposited: 06 Jul 2007
Last Modified: 24 May 2010 09:55
URI: http://nal-ir.nal.res.in/id/eprint/4235

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