Results 301 to 310 of about 15,310 (342)
Silicon nitride deposition using expanding cascaded arc plasmas
, 1996 Rmj Roger Paffen +2 more
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Applied Surface Science, 1988
Abstract A new method of surface nitriding, called “plasma source nitriding”, has been developed. This method is different from “ion nitriding” in the following respects: (1) the function of nitrogen- and hydrogen-ion bombardment of a workpiece is independent of the function of plasma production, (2) a homogeneity of nitriding depth is obtainable ...
M. Nunogaki +3 more
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Abstract A new method of surface nitriding, called “plasma source nitriding”, has been developed. This method is different from “ion nitriding” in the following respects: (1) the function of nitrogen- and hydrogen-ion bombardment of a workpiece is independent of the function of plasma production, (2) a homogeneity of nitriding depth is obtainable ...
M. Nunogaki +3 more
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Radiation Effects and Defects in Solids, 2001
Abstract Martensite steel 0.5Cr12Ni2MoMgMn and titanium alloy TiMo1Zr4.5Sn3 were nitrided by high intensity nitrogen plasma bombardment (current densities were 3·1016 cm−2s−1 and 1.2·1017cm−2s−1 for martensite steel and titanium alloy correspondingly).
M. I. Guseva +5 more
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Abstract Martensite steel 0.5Cr12Ni2MoMgMn and titanium alloy TiMo1Zr4.5Sn3 were nitrided by high intensity nitrogen plasma bombardment (current densities were 3·1016 cm−2s−1 and 1.2·1017cm−2s−1 for martensite steel and titanium alloy correspondingly).
M. I. Guseva +5 more
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Plasma Nitridation of Hydrogenated Silicon Nitride Film
Japanese Journal of Applied Physics, 2012In this study, chemical-vapor-deposited silicon nitride films were subjected to a novel nitridation process by use of self-biased nitrogen plasma. The film structure and electrical properties such as chemical bonding, surface morphology, dielectric strength, and the capacitance–voltage hysteresis of a metal–insulator–semiconductor device were ...
Chiung-Wei Lin +2 more
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Decarburization during plasma nitriding
Surface and Coatings Technology, 1999Abstract This work reports on the decarburization of steel surfaces nitrided in d.c. plasma discharges. Mass spectrometry was used to detect the presence of chemical species, such as C and CH 3 , in plasma atmospheres containing hydrogen, and CO 2 in those containing oxygen.
P. Egert +3 more
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Active Screen Plasma Nitriding
AM&P Technical Articles, 2013Abstract Active screen plasma nitriding and nitrocarburizing are relatively new processes in which a plasma discharge is applied to a metal screen surrounding the workload, generating highly reactive gas species that flow to the component surface.
H.-J. Spies +3 more
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Journal of Alloys and Compounds, 1993
Abstract An intermetallic compound Sm 2 Fe 17 N x was synthesized by plasma nitriding of Sm 2 Fe 17 in a stream of N 2 H 2 mixed gas. The reaction proceeded at a lower temperature (around 423 K) than that of the conventional thermal technique, but not at room temperature.
Ken-ichi Machida +2 more
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Abstract An intermetallic compound Sm 2 Fe 17 N x was synthesized by plasma nitriding of Sm 2 Fe 17 in a stream of N 2 H 2 mixed gas. The reaction proceeded at a lower temperature (around 423 K) than that of the conventional thermal technique, but not at room temperature.
Ken-ichi Machida +2 more
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Cubic Aluminum Nitride Coating Through Atmospheric Reactive Plasma Nitriding
Journal of Thermal Spray Technology, 2010Aluminum nitride is a promising material for structural and functional applications. Cubic AlN (c-AlN) is expected to have higher thermal conductivity due to their high symmetry; however, its fabrication is difficult. In this study, c-AlN was synthesized by atmospheric plasma spray process through the reaction between Al feedstock powder and nitrogen ...
Mohammed Shahien +3 more
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Formation of Aluminum Nitrides by Precipitate-Accommodated Plasma Nitriding
MRS Proceedings, 2007AbstractPrecipitate accommodated nitriding is proposed as a new, non-traditional surface treatment of aluminum alloys. In the case of nitriding the aluminum-copper alloys, Al2Cu plays an important role as a nucleation site to form AlN by the two step reactions of Al2Cu + 2N → 2AlN + Cu and Cu + 2Al → Al2Cu and as a helper to preserve the fast nitrogen ...
Tatsuhiko Aizawa, Patama Vissutipitukul
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