Creep of Copper at Intermediate and Low Temperatures
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Authors
Hahnfeld, Arnold A.
Subjects
Advisors
Date of Issue
1956
Date
1956
Publisher
Monterey, California. Naval Postgraduate School
Language
en_US
Abstract
Type
Thesis
Description
A review of a few of the many equations for describing the creep curve is given, showing the need for a valid and broader theory for creep. One of these equations, set forth by Dorn (22), is partially tested in the intermediate and low temperature regions using experimental data for vacuum melted copper, and values for the activation energy term of this equation are determined. The method of determination and some of the difficulties involved in this determination are set forth. Additional values for the activation energy term as determined by Tietz and Dorn(23) are included. The composite data indicate that the activation energy in the temperature region investigated is a function of temperature, decreasing with a decrease in temperature.
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NA
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NA