Structural steels nitriding in low-pressure gas discharge

Structural steels nitriding in low-pressure gas discharge

Detalhes bibliográficos
Parent link:	Fizika i Khimiya Obrabotki Materialov № 3.— 2002.— P. 16-19
Outros Autores:	Shchanin P. M., Goncharenko I. M., Grigor'ev S. V., Koval N. N. Nikolay Nikolaevich
Resumo:	Structure, microhardness and tribological properties of the surface layers of structural medium-carbon steels 1045 and 4140 after ion nitriding in low-pressure arc discharge plasma have been studied. Nitriding process was carried out in the chamber without introduced hydrogen at pressure of 10-1 Pa. It was found that under the action of negative voltage applied to the specimen, accelerated ions formed near specimen surface destroy the surface oxide film and heat the specimens up to temperature sufficient high for diffusion. Oxygen partial pressure and ion current density values were established such that surface oxide film preventing nitriding process was not formed. Tribological properties of specimens nitriding in glow and arc discharges have been compared. В фонде НТБ ТПУ отсутствует
Publicado em:	2002
Assuntos:	труды учёных ТПУ
Formato:	Capítulo de Livro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=602571

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