Stock material or miscellaneous articles – All metal or with adjacent metals – Having metal particles
Patent
1997-09-03
2000-01-18
Gorgos, Kathryn
Stock material or miscellaneous articles
All metal or with adjacent metals
Having metal particles
75249, 360 84, 360107, 36013024, 419 7, 419 49, B22F 704
Patent
active
060156279
ABSTRACT:
A head drum for supporting a magnetic head for magnetically recording information on and reproducing information from a magnetic tape includes an inner body of an aluminum alloy, and a wear-resistant layer of a sintered powdery alloy disposed around an outer circumference of the inner body in at least a region for sliding contact with an elongate magnetic recording medium. The wear-resistant layer has a thickness of at least 0.2 um, and the sintered powdery alloy comprises a powdery alloy of 17 to 38% of Si, 0.5 to 5% of Cu, 0.3 to 5% of Mg, and the remainder of aluminum.
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Hirafune Yasuhiro
Kikuchi Akio
Gorgos Kathryn
Parsons Thomas H
Sony Corporation
Sumitomo Light Metal Industries Ltd.
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