OPTIMIZATION OF VACUUM GASTHERMALCYCLIC ION-PLASMA NITRIDING TECHNOLOGICAL PROCESS OF THREADED TOOL JOINT OF DRILL STRING

Promising technological process of strengthening threaded tools joint of a drill string is gasthermalcyclic ion-plasma nitriding. However, the formation of hardened surface layers by the specified process, despite the experience gained, has a some unresolved issues, such as inadequate level of scien...

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Bibliographic Details
Main Author: Mykola Y. Tkach
Format: Article
Language:English
Published: National Defence University of Ukraine named after Ivan Cherniakhovsky 2014-12-01
Series:Sučasnì Informacìjnì Tehnologìï u Sferì Bezpeki ta Oboroni
Subjects:
Online Access:http://sit.nuou.org.ua/article/view/35574