A pencil hardness test is a type of evaluation method that is performed to determine the hardness of a material, typically coating materials. To perform a pencil hardness test, graphite pencils of varying hardness are moved across a coating's surface. Its hardness relative to the graphite… View Full Term
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Andry Soetiawan is an independent material and corrosion consultant with 14 years of experience working across a broad range of the industry value chain, from materials manufacturing and consulting, to end users. As a regular author, Andry writes simple yet in-depth columns to share his own observations and experiences with other engineers about corrosion.
Materials selection involves complex procedures that an require understanding of failure susceptibilities and corrosion control methods. Get an overview here.