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S. V. Smirnov , L. M. Zamaraev

ENERGY OF ACTIVATION OF THE VT5 AND VT1-0 TITANIUM ALLOYS UNDER SHORT-TERM CREEP IN AIR AND ARGON

DOI: 10.17804/2410-9908.2016.6.100-110

Test results for the short-term creep of commercially pure VT1-0 titanium and the VT5 alloy at temperatures ranging from 673 K to 1323 K and rated tensile stresses ranging between 4.45 and 9.36 MPa in air and argon are presented. The experimental results have shown a considerable decrease in the speed of creep under loading in the argon environment in comparison with that in air. The values of the activation energy determined in tests with a stepwise change of temperature by Dorn’s method have close values for the materials studied in air and argon, 250 to 300 kJ/mol, and this testifies to the identical mechanism of creep.

Keywords: titanium alloys, environmental effect on creep, creep activation energy

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Article reference

Smirnov S. V., Zamaraev L. M. Energy of Activation of the Vt5 and Vt1-0 Titanium Alloys under Short-Term Creep in Air and Argon [Electronic resource] // Diagnostics, Resource and Mechanics of materials and structures. - 2016. - Iss. 6. - P. 100-110. -
DOI: 10.17804/2410-9908.2016.6.100-110. -
URL: http://eng.dream-journal.org/issues/2016-6/2016-6_106.html
(accessed: 12/07/2022).  

 

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Founder:  Institute of Engineering Science, Russian Academy of Sciences (Ural Branch)
Chief Editor:  S.V. Smirnov
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