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ASM Handbook

Thermal Spray Technology

Edited by
Robert C. Tucker, Jr.
Robert C. Tucker, Jr.
The Tucker Group
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ASM International
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Book Chapter

Abradable Thermal Spray Applications and Technology

Scott Wilson
Scott Wilson
Sulzer Metco (Switzerland)
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Page range:
287 - 295
Publication history
March 08, 2013


This article provides an overview of key abradable thermal spray coating systems based on predominant function and key design criteria. It describes two families of coatings which have evolved for use at higher temperature: flame (combustion)-sprayed abradable powders and atmospheric plasma-sprayed abradable powders. Three classic examples of flame spray abradables are nickel-graphite powders, NiCrAl-bentonite powders, and NiCrFeAl-boron nitride powders. The article provides information on various abradable coating testing procedures, namely, abradable incursion testing; aging, corrosion, thermal cycle and thermal shock testing; hardness testing; and erosion resistance testing.

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Scott Wilson, 2013. "Abradable Thermal Spray Applications and Technology", Thermal Spray Technology, Robert C. Tucker, Jr.

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