Dislocation climb strengthening in systems with immobile obstacles: Three-dimensional level-set simulation study

Zi Chen,1,2 Kevin T. Chu,2,3,4 David J. Srolovitz,4 Jeffrey M. Rickman,5,6 and Mikko P. Haataja1,2,7 1Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08540, USA 2Princeton Institute for the Science and Technology of Materials (PRISM), Princeton University, Princeton, New Jersey 08540, USA 3Vitamin D, Inc., Menlo Park, California 94025, USA 4Institute of High Performance Computing, Singapore, Singapore 5Department of Materials Science and Engineering, Lehigh University, Bethlehem, Pennsylvania 18015, USA 6Department of Physics, Lehigh University, Bethlehem, Pennsylvania 18015, USA 7Program in Applied and Computational Mathematics (PACM), Princeton University, Princeton, New Jersey 08540, USA Received 20 February 2009; revised manuscript received 30 December 2009; published 3 February 2010