Heat transfer simulation and improvement of autoclave loading in composites manufacturing
Mirzaei, Shokoufeh Krishnan, Krishna K. Kobtawy, Charbel Al Roberts, Jeffrey Palmer, Eric
Mirzaei, Shokoufeh
Krishnan, Krishna K.
Kobtawy, Charbel Al
Roberts, Jeffrey
Palmer, Eric
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2021-01-11
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Article
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Autoclave curing cycle,Composites manufacturing,Design of experiments,Numerical simulation
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Mirzaei, S., Krishnan, K., Al Kobtawy, C., Roberts, J., & Palmer, E. (2021). Heat transfer simulation and improvement of autoclave loading in composites manufacturing. International Journal of Advanced Manufacturing Technology, doi:10.1007/s00170-020-06573-3
Abstract
Composite manufacturing has proven to be a quintessential process for the improvement of a spectrum of industries from medical to automotive, and aerospace. Most composite manufacturing processes include a two-step process, lay-up, and autoclave curing. The autoclave process is often long and expensive. Therefore, improving its efficiency can reduce the production cost and increase the throughput significantly. However, there is a scarcity of studies in the literature that tackle production improvement of vacuum bag/autoclave molding processes. Thus, in this paper, in collaboration with an industry partner, the effect of quantity, location, and orientation of parts inside an autoclave on the curing cycle is investigated both computationally and experimentally. The objective is to improve the production rate without compromising quality. The quality of parts is being represented by their heat-up rate throughout the curing cycle. The results showed that, for a specific scenario, doubling the number of parts inside the autoclave could slow down the heat transfer without significantly affecting the heat-up rates. As a result, the lag could be negligible for the increase in the production rate that it provides.
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Springer Nature
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International Journal of Advanced Manufacturing Technology
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0268-3768
1433-3015
1433-3015