Fiber-reinforced lightweight alloy piston for an internal-combus

Details Fiber-reinforced lightweight alloy piston for an internal-combus Fiber-reinforced lightweight alloy piston for an internal-combus

1984-05-08

1987-02-17

Look, Edward K.

Expansible chamber devices

Piston

Open-ended hollow skirt type

92213, 92222, 92224, 92248, 123193P, B23P 1510

Patent

active

046430784

ABSTRACT:
A fiber-reinforced lighweight alloy piston for an internal-combustion engine, comprising a piston body having a compression ring groove whose bounding surface is reinforced with alumina fibers. At least those alumina fibers positioned in the region of the annular opening of the groove has a crystalline structure of .theta./.alpha.-Al.sub.2 O.sub.3 type and a specific gravity limited to a value between 3.7 and 3.9.

REFERENCES:
patent: 2239530 (1941-04-01), Langenohl et al.
patent: 3808015 (1974-04-01), Seufert
patent: 3982955 (1976-09-01), Mansmann et al.
patent: 4364159 (1982-12-01), Holcombe
patent: 4498219 (1985-02-01), Ban et al.
J. W. Newsome et al., Alumina Properties, Technical Paper #10, pp. 22, 34 & 35, 1960, Alcoa.

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