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clearance-control coatings

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Journal Articles
AM&P Technical Articles (2012) 170 (5): 54–56.
Published: 01 May 2012
...Komal Laul; Suebali Rahemanji Clearance-control coatings play a major role in gas turbine engines by minimizing the air gap between rotating blade tips and engine casings. An improvement of just 125 µm can reduce fuel consumption by 0.5%. This article discusses the potential impact of new materials...
Journal Articles
AM&P Technical Articles (2019) 177 (2): 38–41.
Published: 01 February 2019
... of thermal spray coatings. Coatings are used for different reasons such as abradable coatings that are applied to provide tight clearance control between compressor blades and shrouds. The tight clearance control helps maximize engine efficiency. Thermal barrier coatings such as yttria partially stabilized...
Journal Articles
AM&P Technical Articles (2018) 176 (7): 30–33.
Published: 01 October 2018
..., stiffens, and increases UHMWPE wettability, resulting in a reduction in wear compared with the control material. They also note that nitrogen ion implantation improves tribology and enhances surface mechanical properties. In addition to surface texturing, novel surface coating techniques that deposit...
Journal Articles
AM&P Technical Articles (2022) 180 (2): 12–15.
Published: 01 March 2022
... constitutes a crucial step to verify performance and ensure safe operation. Before flight, ground-based testing provides essential information under a range of controlled conditions to better understand performance, operability, and reliability. In 2021, aircraft engine manufacturer Rolls-Royce officially...