Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Powder shape or size characteristics
Patent
1990-11-29
1991-12-03
Lechert, Jr., Stephen J.
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Powder shape or size characteristics
419 33, 419 53, 419 54, 419 50, 419 58, 419 66, B22F 100
Patent
active
050698680
ABSTRACT:
Thermoelectric elements with excellent thermoelectric characteristics such as Seebeck coefficient thermoelectromotive force and thermal conductivity can be produced by molding a powder of metal or metal alloy as the raw material and then sintering; by using as such raw material, ultra fine powders containing Fe and Si as main components and having a mean particle diameter of 50 to 5,000.ANG..
REFERENCES:
patent: 4992235 (1991-02-01), Tokiai et al.
Tokiai Takeo
Uesugi Takashi
Idemitsu Petrolchemical Co., Ltd.
Lechert Jr. Stephen J.
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