NotesFAQContact Us
Collection
Advanced
Search Tips
Peer reviewed Peer reviewed
Direct linkDirect link
ERIC Number: EJ918269
Record Type: Journal
Publication Date: 2010-Jun
Pages: 5
Abstractor: As Provided
Reference Count: 15
ISBN: N/A
ISSN: ISSN-0021-9584
Bond-Energy and Surface-Energy Calculations in Metals
Eberhart, James G.; Horner, Steve
Journal of Chemical Education, v87 n6 p608-612 Jun 2010
A simple technique appropriate for introductory materials science courses is outlined for the calculation of bond energies in metals from lattice energies. The approach is applied to body-centered cubic (bcc), face-centered cubic (fcc), and hexagonal-closest-packed (hcp) metals. The strength of these bonds is tabulated for a variety metals and is seen to be somewhat smaller than those typically found for the covalent bonds in molecular substances or polymers. The calculated bond energies are then combined with experimental lattice constants to illustrate the estimation of the surface energy of metals with these three crystal structures. The agreement with experiment is reasonably good, given the difficulties inherent in measuring the surface tension of metals and the considerable extrapolation required for surface-energy calculation. (Contains 3 tables and 3 figures.)
Division of Chemical Education, Inc and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A