RUZIC, Jovana
(構造材料研究拠点/解析・評価分野/高強度材料グループ, National Institute for Materials Science
)
;
WATANABE, Ikumu
(Research Center for Structural Materials/Analysis and Evaluation Field/High Strength Materials Group, National Institute for Materials Science)
;
GOTO, Kenta
(構造材料研究拠点/解析・評価分野/高強度材料グループ, National Institute for Materials Science)
;
OHMURA, Takahito
(構造材料研究拠点/解析・評価分野/高強度材料グループ, National Institute for Materials Science)
(2.18 MB)
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(abstract)A new approach of nano-indentation measurements at elevated temperatures has been developed to evaluate a temperature-dependent mechanical behavior of heat resistant alloys on a submicron scale, where the measurement is conducted in an inert atmosphere to prevent the surface oxidation of a sample and heat an indenter passively. The developed approach enables us to perform nano-indentation testing with a diamond indenter in the temperature range of 23~800 °C. The developed approach has been applied to gamma single-phase single-crystal of a nickel-based superalloy. Then the degradations of the sample surface and the indenter tip have been discussed in this case.
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In Copyright
In Copyright
Keyword: high-temperature nano-indentation, hardness, elastic modulus, nickel-based superalloy
Date published: 2019-08-01
Publisher:
Journal:
- MATERIALS TRANSACTIONS (ISSN: 13459678) vol. 60 issue. 8 p. 1411-1415
Funding:
Manuscript type: Publisher's version (Version of record)
MDR DOI:
First published URL: https://doi.org/10.2320/matertrans.MD201909
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Updated at: 2024-01-05 22:13:23 +0900
Published on MDR: 2023-03-02 14:03:49 +0900
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