Researching of silver covered thrust collar's structure and properties for drill bits



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Abstract

Making investigations of metallographic characteristics, chemistry, hardness of basic material and silver cover of drill bit's thrust collar.

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Valentina N Rassudova

Samara State Technical University

Email: valentina.rassud@mail.ru
аспирант; Самарский государственный технический университет; Samara State Technical University

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Copyright (c) 2011 Samara State Technical University

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