One candidate alternative to chrome plating and hard anodizing is a tungsten carbide (WC) coating applied by the High Velocity Oxy-Fuel (HVOF) process. HVOF WC coatings are currently being evaluated in many service life tests, including fatigue. The purpose of this paper is to compare the fatigue life of HVOF WC coated specimens with the fatigue life of hard anodized and bare aluminum specimens. This work examines WC thermal spray coatings as candidates for replacement of hard chrome plating and hard anodizing in aircraft and helicopter applications such as landing gear. In fatigue testing, the results showed an expected fatigue deficit for hard anodizing as compared to bare aluminum. Paper includes a German-language abstract.

aircraft landing gear, aluminum, cyclic bending, fatigue life, fatigue test, hard anodizing, hard chrome plating, high-velocity oxyfuel spray coating, tungsten carbide coating
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Copyright © 1999 Verlag für Schweißen und verwandte Verfahren DVS-Verlag GmbH. All rights reserved.
1999
ASM International
Topics
Hard chromium plating Fatigue testing Hard anodizing High-velocity oxyfuel spray coating Aircraft landing gear Fatigue life testing Aluminum
Issue Section:
High Velocity Oxy-Fuel Spraying
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