Formability and Mechanical Property of Aluminum Sheets Locally Surface-Modified by the Concept of Surface Friction Joining

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Abstract:

Formability and mechanical property of Al sheets whose surface was locally modified by the concept of SFJ (Surface Friction Joining) were analyzed. It is noteworthy that the formability of the surface-modified sheets is greatly improved compared with as-received sheets. The formability is improved as the tool diameter is increased. It is found that more plastic deformation is accommodated at modified region during LDH test.

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Advanced Materials Research (Volumes 26-28)

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401-404

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October 2007

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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[5] [10] [15] [20] [25] [30] Tool Diameter 13. 8 14. 8 16. 5 18. 4 AR 10mm 8mm 5mm 5052 Al, 1. 5mmt 1, 600RPM, 100mm/min. RT specimen LDH (mm) (a)(a)(a)(a) (b)(b)(b)(b).

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100 200 300 400 AR 10mm 8mm 5mm 5052 Al, 1. 5mm thick. True stress (MPa) True strain Fig. 3. True stress-true strain curves of the locally surface-modified regions and the base metal (AR).

DOI: 10.2172/815195

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