期刊
SCRIPTA MATERIALIA
卷 66, 期 5, 页码 235-238出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2011.10.045
关键词
Machining; Extrusion; Severe plastic deformation; Microstructure
类别
资金
- NSF [CMMI 1100712, 0928337]
- DOE [PNNL-DE-AC06-76RL01830]
- General Motors
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1100712, 0928337] Funding Source: National Science Foundation
The deformation field in large-strain extrusion machining, a constrained chip formation process, is characterized using highspeed imaging and particle image velocimetry. The field is shown to be controllable and narrowly confined, with attributes ranging from conventional deformation processing to severe plastic deformation. Implications for deformation processing of sheets, engineering of microstructures in bulk forms and on machined surfaces, and study of large-strain deformation phenomena in metal alloys are highlighted. (C) 2011 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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