Thixoformable layered materials and articles made from them

Details Thixoformable layered materials and articles made from them Thixoformable layered materials and articles made from them

1993-05-18

1994-12-27

Walsh, Donald P.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428545, 428549, 419 5, 419 6, 419 7, 419 8, 419 9, B22F 702

Patent

active

053764625

ABSTRACT:
A thixoformable material and a method for forming it are provided in which the material comprises a series of sequentially deposited layers of substantially metallic material, at least some of the layers having different properties. The layers may be of different materials or the layers may differ in that some are provided with reinforcing material whereas other are not. The reinforcing material may consist of particles of spherical, fiberous or other shapes and may be made of various carbides or other suitable reinforcing materials.
The thixoformable material may be formed in sheets, cylindrical forms or any other shape and subsequently cut to the volume and/or shape required for the forming stage.
A layered material of this sort offers the advantages of thixoformable materials but with enhanced toughness and damage resistance due to the layered 3-dimensional structure.

REFERENCES:
patent: 4804034 (1989-02-01), Leatham et al.
patent: 4926923 (1990-05-01), Brooks et al.
patent: 4926924 (1990-05-01), Brooks et al.
patent: 5165463 (1992-11-01), Aghajanian
Japanese Abstract JP3215655, published Sep. 20, 1991 to I. Yoshio.

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