CAREER: Synthesis, Microstructure, and Mechanical Behavior of Metallic Thin Films with Nanoscale Growth Twins

Xinghang Zhang, Texas Engineering Experiment Station, DMR 0644835

• Explore dislocation - twin boundary interaction via in situ nanoindentation in TEM

• Investigate nanotwins in Ag filmsWork hardening of nanotwinned Cu

Script Mater, Acta Mater. 2011.

Epitaxial nanotwinned Ag films

Acta Mater., 2011.

Multiplication of dislocation at twin boundary in nanotwinned Cu

EducationOsman Anderoglu (Ph.D. in 09). Now a postdoctor at Los Alamos.

Nan Li (Ph.D. in 2010). A postdoctor at Los Alamos

Nan Li won the Acta Mater. Student paper contest award, 2011.

Dan Bufford (Ph.D. candidate). NSF IGERT Fellow, Work on nanotwinned Ag films.

Yue Liu (defended MS. in 2010). Continue for Ph.D. to work on in situ nanoindentation.

Broader impact

• Hosted 2 minority summer undergraduate students (Matai Wilson, and Cassandra Lee Gutierrez) to work on nanoindentation, TEM sample preparations. • Collaborate with A. Misra et al through

CINT • Journal articles: 3 in Acta Mater., 1 in

Scripta Mater. (10-11)

• Numerous presentations at TMS, and MRS.

• Invited talks at Zhejiang University and Hefei University of Technology

• Adjunct professor at Hefei University of Technology

CAREER: Synthesis, Microstructure, and Mechanical Behavior of Metallic Thin Films with Nanoscale Growth Twins

Xinghang Zhang, Texas Engineering Experiment Station, DMR 0644835