Severe plastic deformation of difficult-to-deform materials at near-ambient temperatures

Plane-strain machining can be used to impart large plastic strains in alloys that are difficult to deform by other severe plastic deformation (SPD) processes. By cutting at low speeds, the heating caused by friction with the tool can be reduced to insignificant levels. The utility of this approach f...

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Bibliographic Details
Published in:Metallurgical and materials transactions. A, Physical metallurgy and materials science Physical metallurgy and materials science, 2007-09, Vol.38 (9), p.1899-1905
Main Authors: RAVI SHANKAR, M, VERMA, R, RAO, B. C, CHANDRASEKAR, S, COMPTON, W. D, KING, A. H, TRUMBLE, K. P
Format: Article
Language:English
Subjects:
Alloys
Applied sciences
Electron microscopes
Exact sciences and technology
Materials science
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metallurgy
Metals. Metallurgy
Methods
Microstructure
Nanostructured materials
Plastic deformation
Steel
Temperature effects
Transmission electron microscopy
Wire drawing
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Summary:Plane-strain machining can be used to impart large plastic strains in alloys that are difficult to deform by other severe plastic deformation (SPD) processes. By cutting at low speeds, the heating caused by friction with the tool can be reduced to insignificant levels. The utility of this approach for characterizing microstructure development in SPD is demonstrated using a variety of commercial alloys that exhibit different deformation behaviors and strengthening mechanisms, including CP-titanium, aluminum alloy 6061-T6, nickel-base superalloy IN-718, and pearlitic plain-carbon steel. [PUBLICATION ABSTRACT]
ISSN:1073-5623
1543-1940
DOI:10.1007/s11661-007-9257-8