Mass Spectrometry: Residual Gas Analysis During Vacuum Melting

机译：质谱：真空熔炼过程中的残余气体分析

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A 180 deg magnetic deflection residual gas analyzer mass spectrometer with a mass range of 2 to 200 amu was used to study the nature of gases evolved during arc and electron-beam melting of certain reactive and refractory metals. The partial pressure of residual gases over molten Mo, Hf, Ti, and Fe, was found to be similar: Water and hydrogen were evolved from the samples and from the furnace components, carbon dioxide and carbon monoxide resulted from deoxidation of some of the melts. Argon and acetone were residuals in the system, and methane was a decomposed organic compound from the oil diffusion pump. (Author)

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Anable, W. E.; Calvert, E. D.;
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年度 1969
页码 p.1-15
总页数 15
原文格式 PDF
正文语种 eng
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关键词
Gas detectors ; Mass spectroscopy ; Electron beam melting ; Gas analysis ; Refractory metals ; Samplers ; Molybdenum ; Hafnium ; Titanium ; Iron ; Carbon dioxide ; Carbon monoxide ; Argon ; Acetones ; Methane;

机译：气体探测器;质谱;电子束熔化;气体分析;难熔金属;取样器;钼;铪;钛;铁;二氧化碳;一氧化碳;氩气;丙酮;甲烷;

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机译：动态质谱：残余气体分析方法及其应用

Mass Spectrometry: Residual Gas Analysis During Vacuum Melting

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