Patent · US Expired

Method for the manufacture of a composite material by powder metallurgy

US4336065A · kind A · utility

6Cited by

4References

9Claims

0Family size

Inventors

Hans Bergmann · Bayreuth, DE
Rudiger Bormann · Schwäbisch Hall, DE
Herbert Freyhardt · Oettingen, DE
Barry L. Mordike · Clausthal-Zellerfeld, DE

Key dates

Filing date	Feb 26, 1980
Grant date	Jun 22, 1982
Priority date	—
Expiry date	Feb 26, 2000

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S505/823
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A method for manufacturing a composite material by powder metallurgy wherein a starting material comprised of at least one body-centered cubic metal powder component, and contaminated by oxygen in its bulk or on its surface is mixed with a less noble supplemental component having a greater binding enthalpy for oxygen in powder form or as an alloy whereby the oxygen contaminant becomes bound to the supplemental component by internal solid-state reduction. The composite mixture is then deformed in at least one dimension to form ribbons or fibers thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.