http://www.engineeringvault.com/blog Just another WordPress weblog Wed, 30 Mar 2011 11:52:05 +0000 en hourly 1 http://wordpress.org/?v=3.1.3 http://www.engineeringvault.com/blog/barcol-hardness-test/ http://www.engineeringvault.com/blog/barcol-hardness-test/#comments Sat, 06 Mar 2010 05:49:25 +0000 admin http://www.engineeringvault.com/blog/barcol-hardness-test/ The Barcol hardness test characterizes the indentation hardness of materials through the depth of penetration of an indentor, loaded on a material sample and compared to the penetration in a reference material. The method is most often used for composite materials such as reinforced thermosetting resins or to determine how much a resin or plastic has cured. The test complements the measurement of glass transition temperature, as an indirect measure of the degree of cure of a composite. It is inexpensive and quick, and provides information on the cure throughout a part.

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