Method and apparatus for measuring apparent density of metal powder, method and apparatus for producing mixed powder, and method and apparatus for producing powder compact

A method for measuring an apparent density of a metal powder includes holding a metal powder in a vessel, applying an alternating magnetic flux to the metal powder using an exciting coil disposed outside the vessel, detecting the alternating magnetic flux passed through the metal powder using a sear...

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Hauptverfasser:	Kato, Hiroharu, Maetani, Toshio
Format:	Patent
Sprache:	eng
Schlagworte:	CASTING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MEASURING PERFORMING OPERATIONS PHYSICS POWDER METALLURGY PRESSES PRESSES IN GENERAL TESTING TRANSPORTING WORKING METALLIC POWDER
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creator	Kato, Hiroharu Maetani, Toshio
description	A method for measuring an apparent density of a metal powder includes holding a metal powder in a vessel, applying an alternating magnetic flux to the metal powder using an exciting coil disposed outside the vessel, detecting the alternating magnetic flux passed through the metal powder using a search coil disposed outside the vessel, and determining an apparent density of the metal powder from an amplitude of the detected alternating magnetic flux using a calibration curve representing a correlation between the apparent density of the metal powder and the amplitude of an alternating magnetic flux prepared in advance. The method enables to measure the apparent density of a metal powder with a high precision in an on-line and non-contact manner without stopping a process of producing a mixed powder or a process of producing a powder compact.
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subjects	CASTING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MEASURING PERFORMING OPERATIONS PHYSICS POWDER METALLURGY PRESSES PRESSES IN GENERAL TESTING TRANSPORTING WORKING METALLIC POWDER
title	Method and apparatus for measuring apparent density of metal powder, method and apparatus for producing mixed powder, and method and apparatus for producing powder compact
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