The formation of FCC titanium in titanium-aluminum multilayers

被引：76

作者：

VanHeerden, D ^{[1
]}

Josell, D ^{[1
]}

Shechtman, D ^{[1
]}

机构：

[1] TECHNION ISRAEL INST TECHNOL,DEPT MAT ENGN,IL-32000 HAIFA,ISRAEL

来源：

ACTA MATERIALIA | 1996年 / 44卷 / 01期

关键词：

D O I：

10.1016/1359-6454(95)00159-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Ti layers in Al/Ti multilayers are shown to transform from hexagonal close packed in the as-deposited multilayers to face centered cubic on ion milling in cross-section. By examining the change in free energy of the system on transformation it is demonstrated that interfacial, surface and strain free energies cannot overcome the theoretically predicted 0.08 eV/atom difference in bulk free energy between f.c.c. and h.c.p. Ti. Based on experimental observations of f.c.c. Ti in multilayers, it is argued that this value is too large.

引用

页码：297 / 306

页数：10

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