Oxidation and sinter-resistant metal powders and pastes

Details Oxidation and sinter-resistant metal powders and pastes Oxidation and sinter-resistant metal powders and pastes

1976-02-06

1977-03-01

Stallard, W.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

252472, B22F 900, B01J 2374

Patent

active

040100251

ABSTRACT:
A high density precious metal powder that resists sintering at 600.degree. C. and contains a very small percentage of titania or zirconia is produced by co-nucleation and precipitation of gold and titania from an ammoniacal solution at pH 3-4 with a bisulfite.
A nickel powder including a very small percentage of a refractory oxide such as zirconia is prepared by co-nucleation and precipitation from an alkaline solution with hydrazine.
Materials so prepared have oxidation resistance and sintering temperatures superior to the pure metal, and find utility in microelectronics as air-fired thick films. Nickel powders so prepared are also useful as hydrogenation catalysts and in other applications.

REFERENCES:
patent: 2564331 (1951-08-01), Hawley
patent: 3235515 (1966-02-01), Taylor

Affiliated with

Also associated with

Rating

Oxidation and sinter-resistant metal powders and pastes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Oxidation and sinter-resistant metal powders and pastes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Oxidation and sinter-resistant metal powders and pastes will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1350682