Abstract:
Single point incremental forming (SPIF) process
has the capability to form small/medium-sized part generally
used for rapid prototyping applications in automotive
and non-automotive industry. Although considerable
research has been conducted over the past decades on the
formability of various aluminum alloy using SPIF process.
This paper presents an investigation on the behavior of
AA1200 H14 aluminum alloy by means of SPIF process.
The formability of AA1200 H14 in terms of maximum
formable wall angle has been evaluated using varying wall
angle conical frustum (VWACF) profile. Taguchi method
based design of experiment, analysis of variance
(ANOVA), signal-to-noise ratio (S/N Ratio) have been
employed to identify the significant parameters affecting
formability. Utilizing the experimentally acquired results,
the S/N ratio (dB) graphs have been drawn and identified
the optimal parametric combination for maximizing the
wall angle. Further, the formability of the parts has also
been evaluated using forming limit curve. The changes in
microstructure due to incremental deformation have been
studied through scanning electron microscopic analysis.
