Process of preparing high-performance magnetism temperature compensation alloy for gyroscope

The invention discloses a preparing craft of gyroscopic instrument permanent-magnet torque device with magnetic temperature to compensate alloy, which comprises the following steps: adopting powder metallurgic method to produce magnet temperature compensation alloy; pressing the mixing powder at the...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
1. Verfasser:	XUANHUI,LI QU
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The invention discloses a preparing craft of gyroscopic instrument permanent-magnet torque device with magnetic temperature to compensate alloy, which comprises the following steps: adopting powder metallurgic method to produce magnet temperature compensation alloy; pressing the mixing powder at the pressure of 100-200MPa; clinkering with hard vacuum furnace; setting the vacuum degree at 1X10-3Pa-1X10-2Pa, clinkering temperature at 1200-1380 deg.c and keeping time at 2-8 h; cooling; controlling the temperature between 200 deg.c and room temperature; tapping; getting the product. This invention possesses merits of big stability, strong compensatory capacity, small DeltaB/DeltaT value fluctuation, good compatibility and DeltaB/DeltaT=0.0054-0.0055T/deg.C at the same time.