Nortronics has completed a thorough evaluation of a new wear-resistant 5-80 permalloy core material recently developed on a pilot basis by Carpenter Technology. This material contains small wear-resistant particles dispersed throughout. The new material, WEAR-RESISTANT HV MU 800 has been shown to be ten times more wear resistant than Carpenter's HY MU 80 without any appreciable sacrifices in head performance. Magnetic, mechanical, and wearability properties of the new material will be discussed and actual head performance data shown.
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