Srinivasarao, B. and Oh-ishi, K. and Ohkubo, T. and Mukai, T. and Hono, K. (2008) Synthesis of high-strength bimodally grained iron by mechanical alloying and spark plasma sintering. SCRIPTA MATERIALIA, 58 (9). pp. 759-762.
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Nanocrystalline iron synthesized by mechanical alloying and spark plasma sintering exhibited high yield and ultimate compressive strengths of 2.59 and 3.08 GPa, respectively, with a total true strain of 0.05. Partial recrystallization led to a true strain of 0.4 with a lower strength of 2.25 GPa. A bimodal grain size distribution consisting of average fine grains of 2.5 mu m and nanograins of 85 run is attributed to the combined high strength and large plastic strain. (C) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
|Uncontrolled Keywords:||mechanical alloying; spark plasma sintering; nanocrystalline alloy; bimodal distribution; atom probe|
|Subjects:||Analytical Science > Microscopy and probe methods|
Material Science > Functional and hybrid materials
Material Science > Nanofabrication processes and tools
|Deposited On:||13 Apr 2010 09:49|
|Last Modified:||13 Apr 2010 09:49|
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