Nano Precipitation and Hardening of Die-Quenched 6061 Aluminum Alloy
Die quenching is applied to an age-hardenable aluminium alloys to obtain super-saturated solid solution. The application is advantageous because it can reduce number of manufacturing processes, and may increase strength by strain aging. If die quenching is realized in forging as well
as sheet forming, it may widen industrial applicability further. In this study, Al–Mg–Si alloy AA6061 8 mm-thick billets were reduced 50% in height without cracks by die-quench forging. Supersaturated solid solution was successfully obtained. The die-quenched specimen shows higher
hardness with nano precipitates at shorter aging time than the conventional water-quenched specimen.
Keywords: Aluminum; Die Quenching; Forging; Hot Stamping; Strain Aging
Document Type: Research Article
Affiliations: 1: Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan 2: Department of Materials Science and Engineering, Faculty of Engineering, University of Toyama, Toyama, 930-8555, Japan
Publication date: March 1, 2018
- Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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