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THREE STRATEGIES TO ACHIEVE CONCURRENT STRENGTHENING BY ULTRAFINE-GRAINED AND PRECIPITATION HARDENINGS FOR SEVERELY DEFORMED AGE-HARDNABLE ALUMINUM ALLOYS Shoichi Hirosawa1, Yongpeng Tang 1, Zenji Horita2, Seungwon Lee2, Kenji Matsuda3 and Daisuke Terada4 1Yokohama National University, Department of Mechanical Engineering and Materials Science, Yokohama 240-8501, Japan. hirosawa@ynu.ac.jp and tang@ynu.ac.jp 2Kyushu University, Department of Materials Science and Engineering, Fukuoka 819-0395, Japan. horita@zaiko.kyushu-u.ac.jp and chominamlsw@gmail.com 3University of Toyama, Graduate School of Science and Engineering, Toyama 930-8555, Japan. matsuda@eng.u-toyama.ac.jp 4 Chiba Institute of Technology, Department of Mechanical Science and Engineering, Narashino 275-0016, Japan. daisuke.terada@p.chibakoudai.jp Keywords: aluminum alloy, age-hardening, severe plastic deformation, spinodal decomposition, ultrafine-grained material Abstract.
Callister, Jr.: Materials Science and Engineering, An introduction, John Willey & Sons, Inc. (2003), p.174
Matsuda: Advanced Materials Research.
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Abdel-Rahman4,c, Ahmed Osman1,5,d, and Rowaida Khalil2,e 1Basic and Applied Sciences (BAS) Institute, Egypt-Japan University of Science and Technology (E-JUST), New Borg El-Arab city, Alexandria 21934, Egypt. 2Botany and Microbiology Department, Faculty of Science, Alexandria University, Alexandria 21500, Egypt. 3Polymeric Materials Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, Alexandria 21934, Egypt. 4Department of Electronics and Communications Engineering, Egypt-Japan University of Science and Technology, Alexandria 21934, Egypt 5Department of Biochemistry, Faculty of Science, Ain Shams University, Cairo 38105, Egypt.
Madih, Materials Science Forum 928 (2018) 83-88
Abdul Majid, RSC Advances 10 (2020) 42400-42407

Ohnuki6,f 1,2 Research Center of Physics, Science Park Puspiptek, Serpong-Tangerang Selatan, Indonesia 3,4,5,6　Division of Material Science and Engineering, Hokkaido University, Japan aenis002@lipi.go.id, bkema001@lipi.go.id, cwang@eng.hokudai.ac.jp, dhasimoto@eng.hokudai.ac.jp, ehayashi@eng.hokudai.ac.jp, fohnuki@eng.hokudai.ac.jp Keywords: Carbon Steel, NiCoCrAl Coating, Nano-micro characterization, corrosion Abstract.
[4] T.Narita, T.Izumi, T.Nishimoto,Y.Shibata, K.Z.Thosin, S.Hayashi, Advanced Coatings on High Temperature Applications, Materials Science Forum Vol. 522-523 (2006) 1-14
[8] Misao Hashimoto, Advances in Nano-Level Materials Characterization Technology, Nippon Steel Technical Report No. 91 January 2005

Davey: Key Engineering Materials, Vols. 345-346, (2007) p.165 [3] R.
Koga: Advanced Materials Research, Vols. 97-101, (2010) p.1077
Koga : Journal of Achievements in Materials and Manufacturing Engineering, Vol. 20, Issues 1-2(2007), p.515 [12] H.
Koga : Materials Science Forum, Vols. 675-677 (2010), p.667 [13] H.
Kanai : Materials Transactions, International Journal of Mining, Metallurgy Engineering, Vol.1, Issue 5(2013), p.313 [14] H.

Grenoble Alpes, CNRS, Grenoble INP, 38000 Grenoble, France 4Electrical Engineering Dept., University of South Florida, Tampa, FL, 33620, USA aromain.bange@grenoble-inp.fr, bedwige.bano@grenoble-inp.fr *corresponding author Keywords: silicon-on-insulator (SOI), core-shell, nanowire, chemical vapor deposition (CVD), carbonization, field-effect transistor, sensing Abstract.
Hahn, Recent advances in nanowires-based field-effect transistors for biological sensor applications, Biosens.
Forum 897 (2017) 638-641
Thomas, 3C-SiC on Si: A Biocompatible Material for Advanced Bioelectronic Devices, ECS Transactions 61 (2014) 101-111

Si is one of the common alloying element that is added in low alloy steel [6-7], in advanced high strength steel that is processed by quenching and partitioning [8], in a cast of advanced high strength steel [9], and in dual-phase steel [10].
Ngan., Physical Metallurgy and Advanced Materials, Seventh edt.
The Effect of Mn and Si on the properties of advanced high strength steels processed by quenching and partitioning, Mater.
Forum, 654–656 (2010) 94–97
Investigation on high strength hot-rolled plates by quenchingpartitioning- Tempering process suitable for engineering, ISIJ Int., 51(10) (2011) 1688–1695.

The overlapping was always on the advancing side.
McNelley: Material science and engineering, Vol. 96 (1987), p. 253 [2] R.
Forum Vol. 507(2001), p. 357
Mishra: Material science and engineering A, Vol. 464 (2007), p. 255
Liu: Material science and engineering A, Vol. 505 (2009), p. 70.

Introduction In modern automobile industry, new types of advanced high-strength steels (AHSSs) are developed in order to lighten the body weight.
The engineering stress vs. engineering strain curve of four RVE models are shown in Fig. 4, where a sudden decreasing of stress level can be noticed at a strain range from 0.008 to 0.01.
Fig. 4 Engineering stress vs. engineering strain curve of four models Fig. 5 Formation of initial crack in model A: (a) Local microstructure (b) Equivalent plastic strain (PEEQ) (c) Stress triaxiality (TRIAX) Fig. 6 Formation of initial crack of different models: (a) Model B (c) Model C (c) Model D Crack Propagation.
Bleck, Failure modeling of multiphase steels using representative volume elements based on real microstructures, Procedia Engineering 1 (2009) 171-176
Gutierrez, Unified formulation to predict the tensile curve of steels with different microstructures, Materials Science Forum, 2003, 4525-4530

Ahmad Hambali2,d 1CoE Frontier Materials Research, School of Material Engineering, Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia 2School of Microelectronic Engineering, Universiti Malaysia Perlis, 02600 Arau, Perlis, Malaysia 3School of Material Engineering, Universiti Malaysia Perlis, 02600 Arau, Perlis, Malaysia aCorresponding author: fatinadilaismail@gmail.com, brozana@unimap.edu.my, csobri@unimap.edu.my, dazura@unimap.edu.my Keywords: Solid State Reaction, Electrical Properties, Microstructure, Rietveld refinement analysis Abstract.
INTRODUCTION The miniaturization of electronic devices especially the storage devices becomes important for the sake of advanced microelectronic and communication.
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Cruz, Materials Science and Engineering: B, Vol. 177(11) (2012), p. 832-837 [7] N.
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Acknowledgements This work was financially supported by the National Natural Science Foundation of China (51065006) and Guangxi Key Laboratory of manufacturing System & Advanced Manufacturing Technology (09-007-05S007 & 0842006_039_K).
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