Method of producing a high strength and hard metallic composite

Details Method of producing a high strength and hard metallic composite Method of producing a high strength and hard metallic composite

1990-02-20

1992-03-10

Dean, H.

Metal treatment

Compositions

Heat treating

148 115R, 148 16, 148 165, 148 166, 148 167, 228231, 22826315, C21D 800, B23J 2024

Patent

active

050946994

ABSTRACT:
A method of manufacturing high strength and hard metallic composite layer materials by connecting several metal layers with one another, includes forming the metal layers as flat products by rolling from a metal with low base strength, alloying and hardening the flat products over their whole cross-section with a metalloid by heat treatment in a metalloid containing gas atmosphere, then connecting the flat products with one another by diffusion welding. As metalloids preferably nitrogen, boron and carbon are used. Diffusion welding is performed by hot isostatic pressure method.

REFERENCES:
patent: 1950549 (1934-03-01), Fry et al.
patent: 2881109 (1959-04-01), Thorn et al.
Metals Handbook, 9th ed. vol. 6, p. 9 1983.

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