SYMPOSIA PAPER Published: 01 January 2000
STP12427S

In-Reactor Creep Regularities of Copper

Source

The systematic research of in-reactor creep regularities for different purity polycrystalline copper and elaboration of the related theoretical model are discussed. The stress and temperature dependence of the in-reactor and thermal creep rates of pure copper and temperature dependence of the in-reactor and thermal creep rates of technical copper have been analyzed. It is shown that for each of the materials studied there is a temperature region where an abnormal reduction of the creep rate with increasing temperature takes place. A creep model based on dislocations sliding and thermoactivation overcoming of barriers by them is suggested. It is shown that the model well describes the conduct peculiarities of the in-reactor and thermal creep rates of copper in different temperature-strength conditions. The reasons for the abnormal temperature dependence of the creep rate in the intermediate temperature region are discussed.

Author Information

Aitkhozhin, ES
Institute of Nuclear Physics, National Nuclear Center, Almaty, Republic of Kazakstan
Pyatiletov, YS
Institute of Nuclear Physics, National Nuclear Center, Almaty, Republic of Kazakstan
Chumakov, EV
Institute of Nuclear Physics, National Nuclear Center, Almaty, Republic of Kazakstan
Price: $25.00
Contact Sales
Related
Reprints and Permissions
Reprints and copyright permissions can be requested through the
Copyright Clearance Center
Details
Developed by Committee: E10
Pages: 725–736
DOI: 10.1520/STP12427S
ISBN-EB: 978-0-8031-5419-3
ISBN-13: 978-0-8031-2852-1