Effect of Carbonitriding on the Susceptibility of Medium-Carbon Alloy Steels to Temper Brittleness


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Аннотация

The effect of carbonitriding as a finishing operation of hardening of the thread of drill pipes on the properties of the matrix metal, its temper brittleness in particular, is studied. The cold brittleness is evaluated with the help of tests for impact toughness. Steels for the production of drill pipe locks for operation at negative temperatures are recommended.

Авторлар туралы

E. Priymak

Orsk Liberal-Technological Institute (Branch of the Orsk State University)

Хат алмасуға жауапты Автор.
Email: elena-pijjmak@yandex.ru
Ресей, Orsk

A. Stepanchukova

Drilling Equipment Plant, JSC

Email: elena-pijjmak@yandex.ru
Ресей, Orenburg

I. Yakovleva

M. N. Mikheev Institute of Metals Physics of the Ural Branch of the Russian Academy of Sciences

Email: elena-pijjmak@yandex.ru
Ресей, Ekaterinburg

N. Tereshchenko

M. N. Mikheev Institute of Metals Physics of the Ural Branch of the Russian Academy of Sciences

Email: elena-pijjmak@yandex.ru
Ресей, Ekaterinburg

E. Chirkov

“Tekhnopark OGU” Nonprofit Autonomous Organization, Reliability Laboratory

Email: elena-pijjmak@yandex.ru
Ресей, Orenburg

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