B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
117/125, 22/175,
B32B 5/24 (2006.01) B22D 19/14 (2006.01) B22F 7/02 (2006.01) B29C 70/02 (2006.01) C22C 47/00 (2006.01) C22C 47/20 (2006.01) G11B 5/48 (2006.01) G11B 5/55 (2006.01)
Patent
CA 1332129
Abstract of the Disclosure A filler material, having a light weight, an increased mechanical strength, and various excellent characteristics such as damping ability, as well as a composite material and a structural material thereof are provided. The filler material comprises mats made of alumina fibers, and layers of hollow silica-alumina- microspheres which are dispersed on and affixed to the associated mat, with the mat and the layers alternately stacked with each other. The composite material comprises a matrix of aluminum in which the above-mentioned filler material is filled. The structural material, which contains therein a predetermined amount of microspheres enough to provide the material with a desired vibration amplitude- frequency characteristic, is applied to a head arm for supporting a magnetic head of a disk device, for instance.
583144
Mitsubishi Chemical Corporation
Sim & Mcburney
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