DEFECTS IN METALS AND SIMULATION OF MECHANICAL ...

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To the Faculty of Washington State University: The members of the Committee appointed to examine the thesis of ELIAS K. NJEIM find it satisfactory and recommend that it be accepted ___________________________________ David Bahr, Ph.D., Chair ___________________________________ Hussein Zbib, Ph.D. ___________________________________ Sinisa Mesarovic, Ph.D. ii
ACKNOWLEDGMENTS The time and commitment of my advisor Dr. David Bahr for the duration of my research was greatly appreciated. The author would like to thank Idaho National Labs for the financial support. The author would like to acknowledge Dr. H. Zbib and Prof. I. Mastorakos of Washington State University for useful discussions in support of this study. iii
Page 1: DEFECTS IN METALS AND SIMULATION OF
Page 5 and 6: dislocations on yield load were als
Page 7 and 8: LIST OF TABLES Page Table.2-1: Forc
Page 9 and 10: Fig. 3-2: Defects formation at the
Page 11 and 12: Chapter 1 Motivation The motivation
Page 13 and 14: experiments, the advantage is that
Page 15 and 16: Chapter 2 Vacancies effect on metal
Page 17 and 18: showing no dislocation nucleation b
Page 19 and 20: Fig. 2-3: Force displacement curves
Page 21 and 22: Fig.2-5: Indentation with 0% Vacanc
Page 23 and 24: In Fig. 2-6 a) and b) we can see th
Page 25 and 26: Vacancy concentrations were varied
Page 27 and 28: The load at yielding is also sensit
Page 29 and 30: Fig. 2-9 shows that with a higher s
Page 31 and 32: Atomistic computer simulation techn
Page 33 and 34: Figure 3-1 shows the simulation box
Page 35 and 36: Fig. 3-4a: Defects after the initia
Page 37 and 38: In Fig. 3-5 we can see the evolutio
Page 39 and 40: Fig. 3-6: Fraction Nv/n of survivin
Page 41 and 42: Chapter 4 Dislocations effect on Me
Page 43 and 44: The dislocation was created by remo
Page 45 and 46: Fig. 4-3: Edge dislocation in the (
Page 47 and 48: For iron the shear modulus, µ, is
Page 49 and 50: Fig.4-6: Simulatin showing dislocat
Page 51 and 52: Chapter 5 Conclusion Defects in met
Page 53 and 54:
[ 14 ] D.F. Bahr, D.E. Kramer, and
Page 55:
[ 47 ] H. G. M. Kreuzer and R. Pipp
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