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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Format: | Article |
Language: | English |
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National Defence University of Ukraine named after Ivan Cherniakhovsky
2014-12-01
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Series: | Sučasnì Informacìjnì Tehnologìï u Sferì Bezpeki ta Oboroni |
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Online Access: | http://sit.nuou.org.ua/article/view/35574 |