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Hotter, Faster, Harder Cutting - July/August 1995

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Archive > 1995 > July/August 1995 > Hotter, Faster, Harder Cutting

The article "Hotter, Faster, Harder Cutting" appeared in the July/August 1995 issue of Gear Technology.

Summary
What Is Whisker-Reinforced Ceramic? Whisker-reinforced ceramic as applied to cutting tool inserts comprises a matrix of aluminum oxide into which approximately 50% by volume of high-purity silicon carbide "whiskers" are randomly dispersed. The "whiskers" are, in fact, single crystals having dimensions of approximately 0.6 microns in diameter x 10-80 microns in length. These "whiskers" have a tensile strength on the order of 1,000,000 psi (690 MPa). The composite material that is the best known and most widely applied using this technology is designated WG-300 and manufactured by the Greenleaf Corporation of Saegertown, PA.

Keywords
ceramics, Greenleaf

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