FEM Analysis Of The Temperature
Distribution Of CFRTP Pipe Mold With
Direct Resistance Heating
Author(s)
K. Tanaka, Y. Matsuura, R. Harada, T. Katayama & S. Enoki
Abstract
In the automobile industry, from the point of preventing global warming, the
mass reduction of automotive bodies has become more important than ever.
Especially automotive weight lightening by using Carbon Fiber Reinforced
Thermoplastics (CFRTP), which has advantage of high-specific strength and
high-specific modulus, has received much attention. A lot of pipe-shaped
materials are used for a car. For CFRTP pipe molding, a low-cost and high-speed
molding method is required. Using high-frequency electric resistance heating
allows heating the mold surface rapidly. Rapid heating of the mold can reduce
production cycle time. The electrical energy of this heating method is less than
that of traditional heating methods, and therefore the reduction in production cost
is expected. In molding of CFRTP, uniformity of temperature distribution is one
of the important issues to be solved. In this study, temperature distribution of
CFRTP pipe molding by direct resistance heating was evaluated by FEM
analysis. In direct resistance heating, the temperature distribution of the mold
depends on the shape of electrodes and electric frequency. Influence of the shape
of electrodes and electric frequency on the temperature distribution of the mold
is revealed by using FEM analysis.
Keywords: CFRTP pipe, FEM analysis, temperature distribution, skin effect,
high-frequency electric resistance heating.
Keywords
CFRTP pipe, FEM analysis, temperature distribution, skin effect, high-frequency electric resistance heating
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