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ASM Handbook

Materials Characterization

Edited by
Ruth E. Whan
Ruth E. Whan
Sandia National Laboratories
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ASM International
Volume
10
ISBN electronic:
978-1-62708-178-8
Publication date:
1986
Book Chapter

Inert Gas Fusion

By
R.B. Fricioni
R.B. Fricioni
Leco Corporation
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Loren Essig
Loren Essig
Leco Corporation
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Published:
1986
Page range:
226 - 232

Abstract

Inert gas fusion is a method of determining the quantitative content of gases in ferrous and nonferrous materials where gases, such as hydrogen, nitrogen, and oxygen, are physically and chemically adsorbed by the materials and later removed and swept by from the fusion area by an inert carrier gas. This article describes the operating principles and sample selection of inert gas fusion. It explains the mechanisms involved in the introduction of fusion gas, separation and detection of fusion gas by thermal-conductive and infrared detection methods. Additionally, the article explains the methods used for analyzing trace amounts of nitrogen, oxygen, and hydrogen in the carrier mediums, providing examples that aid in solving several problems.

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R.B. Fricioni, Loren Essig, 1986. "Inert Gas Fusion", Materials Characterization, Ruth E. Whan

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