Method for producing magnetostrictive element and sintering...

Details Method for producing magnetostrictive element and sintering... Method for producing magnetostrictive element and sintering...

2006-11-21

2006-11-21

Sheehan, John P. (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

C148S104000, C419S030000, C419S031000, C419S038000

Reexamination Certificate

active

07138019

ABSTRACT:
In the step of sintering a compact that is finally to be a magnetostrictive element, when the temperature in a furnace is elevated, the atmosphere in the furnace is evacuated by a vacuum pump to keep the pressure in the furnace at negative pressure in a temperature range that allows thermal decomposition of hydride present in the compact to release hydrogen gas to accelerate release of hydrogen from the compact.

REFERENCES:
patent: 5143560 (1992-09-01), Doser
patent: 6444052 (2002-09-01), Honkura et al.
patent: 2003-3203 (2003-01-01), None

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