Optimization of micro cross wedge rolling and surface morphology of micro stepped components
- Publication Type:
- Journal Article
- Key Engineering Materials, 2014, 622-623 pp. 964 - 969
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© (2014) Trans Tech Publications, Switzerland. A novel microforming process - Micro Cross Wedge Rolling (MCWR) has been developed, which is promising for fabricating micro stepped components used in micro electromechanical systems. Numerical simulations have been established and the effect of geometrical and process parameters such as forming angle α, stretching angle β and reduction ΔA have been studied. Micro stepped components have been fabricated successfully on a MCWR testing rig by adopting flat wedge tools. The effects of initial surface roughness of tool, grain size and cross section area reduction on surface morphology have been assessed quantitatively.
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