Thermal Spray Coatings on Yankee Dryers, 1993 Engineering Conference Proceedings

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Several failure investigations and recent research on thermal spray coatings on Yankee dryer surfaces show at least three modes of environmentally-induced degradation. Corrosion may occur with the ingress of certain chemicals into coating pores. Erosion/corrosion is manifested by streaks at local sites of high doctor blade loading. Erosion and cracking occur due to coating parameters, thermal stress and differential expansion. The causes for these problems are many, e.g., the coating material properties, its application, pre-and post-surface treatments, as well as doctoring. While most of the results described in this paper are from investigations of molybdenum, stainless steel coatings are also discussed.

Author: Bowers, D.F.
Thermal Spray Coatings on Yankee Dryers, 1993 Engineering Co
Thermal Spray Coatings on Yankee Dryers, 1993 Engineering Conference Proceedings
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