The Constant-Stress, Constant-Heating-Rate Behavior of an Additively Manufactured ODS Superalloy

被引：0
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作者：
S. L. Semiatin
N. C. Levkulich
A. M. Faith
T. M. Smith
T. M. Butler
机构：
[1] Materials and Manufacturing Directorate,Air Force Research Laboratory
[2] MRL Materials Resources LLC,undefined
[3] NASA Glenn Research Center,undefined
来源：
Metallurgical and Materials Transactions A | 2024年 / 55卷
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摘要：
The creep behavior of the oxide-dispersion-strengthened alloy GRX-810 fabricated by powder coating followed by laser-powder-bed fusion was evaluated via constant-stress, constant-heating-rate (CSCHR) tension testing using stresses of 69, 97, 121, and 173 MPa and a heating rate of 75 °C/min. Arrhenius plots derived from CSCHR strain-versus-temperature measurements revealed an apparent activation energy which increased with increasing stress. These findings were interpreted in terms of the effect of temperature on the threshold stress for creep deformation.
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页码：1701 / 1706
页数：5
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