Modeling of Stacking Fault Energy in Hexagonal-Close-Packed Metals. (7th May 2015)

• Record Type: Journal Article
• Authors: Ding, Zhigang; Li, Shuang; Liu, Wei; Zhao, Yonghao
• Other Names: Giannazzo Filippo Academic Editor.
• Is Part Of: Advances in materials science and engineering. Volume 2015(2015)
• Publication Date: 2015-05-07
• Subjects: Materials science -- Periodicals; Materials science; Periodicals; 620.11
• DOI: 10.1155/2015/639519
• Languages: English
• ISSNs: 1687-8434

Abstract

Abstract : The deformation of metals is known to be largely affected by their stacking fault energies (SFEs). In the review, we examine the theoretical background of three normally used models, supercell model, Ising model, and bond orientation model, for the calculation of SFE of hexagonal-close-packed (hcp) metals and their alloys. To predict the nature of slip in nanocrystalline metals, we further review the generalized stacking fault (GSF) energy curves in hcp metals and alloys. We conclude by discussing the outstanding challenges in the modeling of SFE and GSF energy for studying the mechanical properties of metals.