Thermally-sprayed coatings are applied to various materials to provide protection for beat-
loaded parts as well as corrosion and wear. They also serve as a thermal barrier to reduce …

Metallographic specimen preparation of thermal spray coatings is continuing to undergo
intense scrutiny. From ASM to ASTM, efforts are being mounted to provide laboratories with …

Thermally sprayed coatings are used to improve the resistance of substrate materials to
oxidation, corrosion, surface wear and erosion. The accurate characterization of coated …

The primary objective of metallographic examinations of thermally sprayed coatings is to
reveal the constituents and structure of the coatings and substrates by means of the …

The absence of standards and a common vocabulary are an obstacle when it comes to
evaluating the structure of thermal spray coatings. However, proper sectioning and mounting …

If the microstructure of thermally sprayed coatings is to be accurately evaluated, proper
metallographic specimen preparation techniques need to be utilized to reveal the true …

In order to properly characterize the entire deposition process, evaluation of the coating,
including a reliable metallographic preparation technique which reveals the true …

The heterogeneous or composite nature of the thermal spray deposit can make choosing a
metallographic preparation process very difficult. Hard vs. soft phases, brittle ceramics, and …

Metallographic examination is a critical step in the assessment of thermal spray coating
characteristics. This article discusses the major steps involved in metallographic …