The Effect Of Grain Size On The Mechanical Properties Of Aluminum

• Autorzy: Jeong G. , Park J. , Nam S. , Shin S.-E. , Shin J. , Bae D. , Choi H.

Identyfikatory

DOI

10.1515/amm-2015-0115

Warianty tytułu

PL

Wpływ wielkości ziarna na właściwości mechaniczne aluminium

• Języki publikacji: EN

Abstrakty

EN

Although many studies have focused on the unique plastic deformation behavior of nanocrystalline aluminum (e.g., the positive deviation from Hall-Petch relation, the unusual yield-drop phenomenon in tensile mode, etc.), the data reported by different research groups are inconsistent with each other, possibly because of different fabrication processes. In this study, aluminum samples with a wide grain-size spectrum – from a few micrometers down to 100 nanometers – are manufactured by powder metallurgy. The grain size was measured by X-ray diffraction analysis and transmission electron microscope observation. Furthermore, the tensile behavior, which varied according to a grain size, is discussed with a comparison of the theoretical models.

Słowa kluczowe

EN

nanocrystalline aluminum; grain size; microstructure; mechanical properties; tensile behavior

PL

aluminium; wielkość ziarna; mikrostruktura; rozciąganie; właściwości mechaniczne

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2015
• Tom: Vol. 60, iss. 2B
• Strony: 1287--1291
• Opis fizyczny: Bibliogr. 31 poz., rys.

Twórcy

autor

Jeong G.

• School of Advanced Materials Engineering, Kookmin University, Seoul, Republic of Korea

autor

Park J.

• School of Advanced Materials Engineering, Kookmin University, Seoul, Republic of Korea

autor

Nam S.

• School of Advanced Materials Engineering, Kookmin University, Seoul, Republic of Korea

autor

Shin S.-E.

• School of Advanced Materials Engineering, Yonsei University, Seoul, Republic of Korea

autor

Shin J.

• School of Advanced Materials Engineering, Yonsei University, Seoul, Republic of Korea

autor

Bae D.

• School of Advanced Materials Engineering, Yonsei University, Seoul, Republic of Korea

autor

Choi H.

• School of Advanced Materials Engineering, Kookmin University, Seoul, Republic of Korea

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.