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Micro Incremental Forming Characteristics of Stainless Foil

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  • NETL
  • NSTL
  • Trans Tech Publications Ltd
Single point micro incremental forming (SPMIF) was applied to the forming of a meso-scale pyramid. A type 304 stainless foil with a thickness of 8 μm and a household aluminum foil with a thickness of 12 μm were used as blanks. It was found that the elongation of stainless foil was relatively large in SPMIF although it is negligibly small in tensile test. Consequently, stainless foil exhibited larger ratio of elongation in SPMIF to that in tensile test than the ratio of aluminum foil. The enhancement of formability of stainless foil in SPMIF was discussed from a viewpoint of martensitic transformation. The surface condition associated with the process of SPMIF was inspected through AFM diagnosis.

micro incremental formingmicro fabricationthin stainless filmmartensitic transformationsurface condition

Tsutomu Sekine、Toshiyuki Obikawa

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Department of Mechanical and Control Engineering, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan

Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan

2010

10.4028/www.scientific.net/KEM.447-448.346

Key engineering materials

Key engineering materials

ISSN：1013-9826
年,卷(期)：2010.447/448
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