ANALYZING METHOD FOR TRACE OXYGEN OF IRON AND STEEL

ANALYZING METHOD FOR TRACE OXYGEN OF IRON AND STEEL

PURPOSE:To provide a method capable of perfectly removing the oxide adhered to a sample surface even in the state where the surface oxidation at sample preparation by a grinder or file is present, precisely measuring the extremely trace oxygen quantity in iron and steel and also analyzing it in a sh...

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Hauptverfasser: SUGIMOTO KAZUMASA, CHINO ATSUSHI, YOSHIKAWA HIROYASU, FUNABIKI YOSHIHIRO, NAGATA MASATSUGU
Format: Patent
Sprache:eng
Schlagworte:
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator SUGIMOTO KAZUMASA
CHINO ATSUSHI
YOSHIKAWA HIROYASU
FUNABIKI YOSHIHIRO
NAGATA MASATSUGU
description PURPOSE:To provide a method capable of perfectly removing the oxide adhered to a sample surface even in the state where the surface oxidation at sample preparation by a grinder or file is present, precisely measuring the extremely trace oxygen quantity in iron and steel and also analyzing it in a short time. CONSTITUTION:In an analyzing method of trace oxygen in iron and steel which comprises heating, extracting and measuring the trace oxygen in an iron steel sample after grinding its surface by a grinder or file, the sample after grinding treatment is put in a carbon crucible and preliminarily heated at a temperature of 900 deg.C or more and less than 1400 deg.C.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title ANALYZING METHOD FOR TRACE OXYGEN OF IRON AND STEEL
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