THEORETICAL CALCULATION OF ATOMIC STRAIN ON MECHANICAL ALLOYED METASTABLE INTERMETALLIC

L. Pang (), J. Xu and J. Zhang
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L. Pang: Department of Civil Engineering, Shandong Jiaotong University, Jinan 250023, P. R. China
J. Xu: Department of Civil Engineering, Shandong Jiaotong University, Jinan 250023, P. R. China
J. Zhang: Department of Civil Engineering, Shandong Jiaotong University, Jinan 250023, P. R. China

Surface Review and Letters (SRL), 2009, vol. 16, issue 01, 157-160

Abstract: Mechanical alloying (MA) has been utilized to synthesize many equilibrium and/or nonequilibrium phases. During the MA process, alloys are formed by the solid-state reaction. Solid solution has been obtained by MA, strain occurs due to the dissolution one component in the binary system. An understanding of the strain in mechanical alloyedTi–Al,Fe–Al,Ni–Alfrom the electronic level has remained elusive. In this communication, atomic strain behavior ofTi–Al,Fe–Al,Ni–Alsystems is analyzed on the basis of the TFDC (abbreviation of the name of Thomas, Fermi, Dirac, and Cheng) electron theory. Lattice strain ofTi,Fe,Ni, andAlare compared with available experimental results. A very good coincidence was found.

Keywords: Mechanical alloying; atomic strain; TFDC electron theory (search for similar items in EconPapers)
Date: 2009
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DOI: 10.1142/S0218625X09012433

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