Surface energy of arbitrary crystal plane of bcc and fcc metals

✍ Scribed by S.G. Wang; E.K. Tian; C.W. Lung

• Book ID: 104152262
• Publisher: Elsevier Science
• Year: 2000
• Tongue: English
• Weight: 120 KB
• Volume: 61
• Category: Article
• ISSN: 0022-3697
• DOI: 10.1016/s0022-3697(99)00415-1

✦ Synopsis

Surface energies (g) of arbitrary orientation crystal planes of several metals are calculated with the broken-bond model. The bonds of the nearest neighbor and second neighbor are considered, and the ratio (r ) of the second neighbor bond energy to the nearest bond energy is calculated, r of bcc metals being larger than that of fcc metals. The relations are: (1) g 111 Ͻ g 100 Ͻ g 110 for fcc metals; (2) g 110 Ͻ g 111 р g 110 for bcc metals when r р 0:366 and (3) g 110 Ͻ g 100 Ͻ g 111 when r Ͼ 0:366 for bcc metals. Angular distributions of surface energies for eight metals are shown. The calculated results of g agree well with results obtained by previous authors with other methods.