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The Requirements for Superplasticity with an Emphasis on Magnesium Alloys

Title
The Requirements for Superplasticity with an Emphasis on Magnesium Alloys
Author
Kawasaki, Megumi
Keywords
LOW-TEMPERATURE SUPERPLASTICITY; STRAIN-RATE SUPERPLASTICITY; HIGH-PRESSURE TORSION; AL-MG ALLOYS; GRAIN-REFINEMENT; DEFORMATION MECHANISMS; ELEVATED-TEMPERATURES; EXCEPTIONAL DUCTILITY; INTERNAL-FRICTION; CREEP-BEHAVIOR
Issue Date
2016-01
Publisher
WILEY-V C H VERLAG GMBH
Citation
ADVANCED ENGINEERING MATERIALS, v. 18, NO 1, Page. 127-131
Abstract
Superplasticity is defined formally as a tensile elongation of at least 400% and a strain rate sensitivity of approximate to 0.5. It is now well established that superplasticity occurs only in materials having very small grain sizes, typically less than approximate to 10 mu m. These small grains may be achieved in two different ways in magnesium alloys: either by thermomechanical processing or through the occurrence of recrystallization in the early stages of deformation in alloys tested with coarse grain sizes.
URI
http://onlinelibrary.wiley.com/doi/10.1002/adem.201500068/abstract;jsessionid=A28C98B68A3F51A2B86B5C32F2FEE847.f04t03http://hdl.handle.net/20.500.11754/31713
ISSN
1438-1656; 1527-2648
DOI
10.1002/adem.201500068
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MATERIALS SCIENCE AND ENGINEERING(신소재공학부) > Articles
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