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Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006648
EISBN: 978-1-62708-213-6
... Abstract This article provides a brief account of glow discharge mass spectrometry (GDMS) for direct determination of trace elements in solid samples and for fast depth profiling in a great variety of innovative materials. It begins by describing the general principles of GDMS. This is followed...
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Published: 01 January 1986
Fig. 9 Grimm glow discharge source. More
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Published: 01 January 1994
Fig. 11 Schematic of a gear cross section under low-pressure glow discharge More
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Published: 01 January 1994
Fig. 12 Plasma nitriding of a gear. Note the more intense glow discharge in between the teeth. Courtesy of Advanced Heat Treat Corporation More
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Published: 01 June 2016
Fig. 2 Concentration depth profile (glow discharge optical emission spectroscopy) of a nitrided case. Aluminum alloy 5083; T N = 480 °C (900 °F); t N = 3 h More
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Published: 01 June 2016
Fig. 8 Glow discharge optical emission spectroscopy concentration depth profiles. (a) Aluminum alloy 360.0 nitrided at 470 °C (880 °F); t N,eff = 5 h. (b) Aluminum alloy 5083 nitrided at 470 °C (880 °F); t N,eff = 4 h More
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Published: 01 June 2016
Fig. 8 Glow discharge in a mixture of 75% N 2 and 30% H 2 around a complex-geometry titanium cathode at 550 °C (1020 °F) at a pressure of 1.2 mbar. Courtesy of Advanced Heat Treat Corp., Monroe, MI More
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Published: 01 October 2014
Fig. 7 Glow discharge optical emission spectroscopy (GDOES) concentration profile of carbon and nitrogen in the compound layer of low-alloyed steel after plasma nitriding. Source: Ref 12 More
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Published: 01 August 2013
Fig. 3 Luminous and dark spaces of a glow discharge. Source: Ref 9 More
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Published: 01 August 2013
Fig. 4 Paschen curves for a direct-current glow discharge between parallel-plate electrodes for various gases, showing the breakdown voltage versus the product of the gas pressure ( P ) and the distance ( d ) between the electrodes More
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Published: 01 August 2013
Fig. 29 Glow-discharge optical emission spectrometry analysis of a nitrided C15. The peak in carbon indicates the boundary between the compound layer and diffusion zone. The position of this peak may be used to determine the compound layer thickness. Courtesy of IWT Bremen, Germany More
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Published: 01 August 2013
Fig. 30 Glow-discharge optical emission spectrometry analysis of a nitrocarburized AISI 1010, aiming for a high carbon concentration in the compound layer. The compound layer thickness is given at the point where the total percentage of carbon and nitrogen drops below approximately 6 mass%. More
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Published: 01 August 2013
Fig. 3 Glow discharge during plasma nitriding. Source: Ref 9 More
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Published: 15 December 2019
Fig. 9 Schematic of a Grimm-type glow discharge lamp. Source: Ref 8 . Reprinted with permission of Elsevier More
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Published: 15 December 2019
Fig. 10 Sputtering crater from a Grimm-type glow discharge lamp More
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Published: 15 December 2019
Fig. 14 Glow discharge-optical emission spectroscopy quantitative depth profile of a ~0.5 μm oxide layer on a low-alloy steel. Note that the scale factors for chromium, manganese, silicon, and carbon are expanded. Source: Ref 8 . Reprinted with permission of Elsevier More
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005793
EISBN: 978-1-62708-165-8
.... This article begins with an overview of the theoretical background and the range and limitations of glow-discharge plasma. It describes the plasma carburizing process, which is carried out with methane or propane. Plasma carburizing processes of sinter metals and stainless steels, and the influence of current...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001728
EISBN: 978-1-62708-178-8
... are often designed to minimize molecular emission. Each of the four types of emission sources; arcs, high-voltage sparks, glow discharges, and flames; has a set of physical characteristics with accompanying analytical assets and liabilities. The article also discusses the applications of each type...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005791
EISBN: 978-1-62708-165-8
... Abstract Plasma (ion) nitriding is a method of surface hardening using glow-discharge technology to introduce nascent (elemental) nitrogen to the surface of a metal part for subsequent diffusion into the material. This article describes the procedures and applications of plasma nitriding...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001115
EISBN: 978-1-62708-162-7
... is the preferred method for measuring trace elements in ultrahigh-purity metals. Several new mass spectroscopy techniques have recently been developed and represent the state of the art in analytical measurement techniques: glow discharge mass spectroscopy (GDMS), inductively coupled plasma mass spectroscopy...