In this study, a crystal plasticity finite element model (CPFEM) has been revisited to study the microstructure effects on macroscopic mechanical behavior of ultrafine-grained (UFG) nickels processed by severe plastic deformation (SPD). The microstructure characteristics such as grain size and dislocation density show a strong influence on the mechanical behavior of SPD-processed materials. We used a modified Hall–Petch relationship at grain level to study both grain size and dislocation density dependences of mechanical behavior of SPD-processed nickel materials. Within the framework of small strain hypothesis, it is quite well shown that the CPFEM predicts the mechanical behavior of unimodal nickels processed by SPD methods. Moreover, a comparison between the proposed model and the self-consistent approach will be shown and discussed.
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April 2015
Research-Article
Modeling of Microstructure Effects on the Mechanical Behavior of Ultrafine-Grained Nickels Processed by Severe Plastic Deformation by Crystal Plasticity Finite Element Model
Thê-Duong Nguyen,
Thê-Duong Nguyen
Faculty of Civil Engineering,
e-mail: theduong.nguyen@duytan.edu.vn
Duy Tân University
,25/K7, Quang Trung
,Da Nang 55000
, Vietnam
e-mail: theduong.nguyen@duytan.edu.vn
Search for other works by this author on:
Van-Tung Phan,
Van-Tung Phan
R&D Institute,
e-mail: phanvantung@dtu.edu.vn
Duy Tân University
,25/K7, Quang Trung
,Da Nang 55000
, Vietnam
e-mail: phanvantung@dtu.edu.vn
Search for other works by this author on:
Quang-Hien Bui
Quang-Hien Bui
1
R&D Institute,
Faculty of Civil Engineering,
e-mails: quanghien.bui@duytan.edu.vn, buiquanghien@gmail.com
Faculty of Civil Engineering,
Duy Tân University
,25/K7, Quang Trung
,Da Nang 55000
, Vietnam
e-mails: quanghien.bui@duytan.edu.vn, buiquanghien@gmail.com
1Corresponding author.
Search for other works by this author on:
Thê-Duong Nguyen
Faculty of Civil Engineering,
e-mail: theduong.nguyen@duytan.edu.vn
Duy Tân University
,25/K7, Quang Trung
,Da Nang 55000
, Vietnam
e-mail: theduong.nguyen@duytan.edu.vn
Van-Tung Phan
R&D Institute,
e-mail: phanvantung@dtu.edu.vn
Duy Tân University
,25/K7, Quang Trung
,Da Nang 55000
, Vietnam
e-mail: phanvantung@dtu.edu.vn
Quang-Hien Bui
R&D Institute,
Faculty of Civil Engineering,
e-mails: quanghien.bui@duytan.edu.vn, buiquanghien@gmail.com
Faculty of Civil Engineering,
Duy Tân University
,25/K7, Quang Trung
,Da Nang 55000
, Vietnam
e-mails: quanghien.bui@duytan.edu.vn, buiquanghien@gmail.com
1Corresponding author.
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received April 20, 2014; final manuscript received January 7, 2015; published online February 2, 2015. Assoc. Editor: Irene Beyerlein.
J. Eng. Mater. Technol. Apr 2015, 137(2): 021010 (11 pages)
Published Online: April 1, 2015
Article history
Received:
April 20, 2014
Revision Received:
January 7, 2015
Online:
February 2, 2015
Citation
Nguyen, T., Phan, V., and Bui, Q. (April 1, 2015). "Modeling of Microstructure Effects on the Mechanical Behavior of Ultrafine-Grained Nickels Processed by Severe Plastic Deformation by Crystal Plasticity Finite Element Model." ASME. J. Eng. Mater. Technol. April 2015; 137(2): 021010. https://doi.org/10.1115/1.4029570
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