Abstract
A REGENT article by H. Seymour (The Electrician, August 21) surveys the present state of the technique of infra-red baking of industrial finishes. The article makes brief reference to early development and mentions that although first patented some seven years ago, radiant heating received little attention until adopted by the Ford Motor Co. It is emphasized that the rate of temperature rise depends primarily on the difference between the energy gain of the stock by absorption of radiation, and the loss of heat by re-radiation and convection ; and that the temperature of the stock and its surroundings should be of the same order of magnitude. Depending on the linear absorption coefficient and absorptivity of the film, baking or heating may occur from the inside outwards, the outside inwards, or uniformly throughout the film.
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Infra-red Baking. Nature 150, 371 (1942). https://doi.org/10.1038/150371a0
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DOI: https://doi.org/10.1038/150371a0