0. G. E. Beltz, “The Mechanics of
Dislocation Nucleation at a Crack Tip,” Ph.D. Thesis, Division of Applied
Sciences,
1. G. E. Beltz and J. R. Rice, “Dislocation Nucleation Versus Cleavage Decohesion at Crack Tips,” in Modeling the Deformation of Crystalline Solids: Physical Theory, Application, and Experimental Comparisons (edited by T. C. Lowe, A. D. Rollett, P. S. Follansbee, and G. S. Daehn) TMS, Warrendale, PA, p. 457 (1991). pdf
2. G. E. Beltz and J.-S. Wang, “Crack Direction Effects Along Copper/Sapphire Interfaces,” Acta metall. mater. 40, 1675 (1992). pdf
3. G. E. Beltz and J. R. Rice, “Dislocation Nucleation at Metal/Ceramic Interfaces,” Acta metall. mater. 40, S321 (1992). pdf
4. J.-S Wang and G. E. Beltz, “The Directionality of Interfacial Cracking in Bimaterials,” in Structure and Properties of Interfaces in Materials (edited by W. A. T. Clark, U. Dahmen, and C. L. Briant), Materials Research Society Proceedings 238, Pittsburgh, pp. 405-410 (1992). pdf
5. J. R. Rice, G. E. Beltz, and Y. Sun, “Peierls Framework for Dislocation Nucleation from a Crack Tip,” in Topics in Fracture and Fatigue, (edited by A. S. Argon) Springer Verlag, New York, p. 1 (1992).
6. Y. Sun, G. E. Beltz, and J. R. Rice, “Estimates from Atomic Models of Tension-Shear Coupling in Dislocation Nucleation from a Crack Tip,” Mater. Sci. Engng. A 170, 67 (1993). pdf
7. G. E. Beltz and L. B. Freund, “Dislocation Threading Through an Epitaxial Film: An Analysis Based on the Peierls-Nabarro Concept,” in Thin Films: Stresses and Mechanical Properties IV (edited by P. H. Townsend, T. P. Weihs, J. E. Sanchez, Jr., and P. Břrgesen), Materials Research Society Proceedings 308, Pittsburgh, pp. 395-400 (1993). pdf
8. L. B. Freund, G. E. Beltz, and Fjóla Jónsdóttir, “Continuum Modeling of Stress-Driven Surface Diffusion in Strained Elastic Materials,” in Thin Films: Stresses and Mechanical Properties IV (edited by P. H. Townsend, T. P. Weihs, J. E. Sanchez, Jr., and P. Břrgesen), Materials Research Society Proceedings 308, Pittsburgh, pp. 383-394 (1993). pdf
9. G. E. Beltz and L. B. Freund, “On the Nucleation of Dislocations at a Crystal Surface,” Phys. Stat. Sol. B 180, 303 (1993). pdf
10. G. E. Beltz and S. Schmauder, “A Multi-Plane Model for Defect Nucleation at Cracks,” in Defect-Interface Interactions (edited by E. P. Kvam, A. H. King, M. J. Mills, T. D. Sands, and V. Vitek), Materials Research Society Proceedings 319, Pittsburgh, pp. 257-262 (1994). pdf
11. G. E. Beltz and L. B. Freund, “Analysis of the Strained Layer Critical Thickness Concept Based on a Peierls-Nabarro Model of a Threading Dislocation,” Phil. Mag. A 69, 183 (1994).
12. J. R. Rice and G. E. Beltz, “The Activation Energy for Dislocation Nucleation from a Crack Tip,” J. Mech. Phys. Solids 42, 333 (1994). pdf
13. Y. Sun and G. E. Beltz, “Dislocation Nucleation from a Crack Tip: A Formulation Based on Anisotropic Elasticity,” J. Mech. Phys. Solids 42, 1905 (1994). pdf
14. J.-S. Wang and G. E. Beltz, “On the Directionality of Interfacial Cracking in Bicrystals and the Loading Phase Angle Dependence,” in Fracture Mechanics: 25th Volume (edited by F. Erdogan), American Society for Testing and Materials Proceedings 1220, Philadelphia, pp. 89-105 (1995). pdf
15. G. E. Beltz and L. B. Freund, “Dislocation Emission at Surfaces,” in Thin Films: Stresses and Mechanical Properties V (edited by P. H. Townsend, S. P. Baker, C. A. Ross, P. Břrgesen, and C. A. Volkert), Materials Research Society Proceedings 356, Pittsburgh, pp. 93-98 (1995). pdf
16. J. Wulf, P. Lipetzky, G. E. Beltz, and T. Steinkopff, “A Finite Element Model of a Star-Shaped Inclusion,” Computational Materials Science 3, 423 (1995). pdf
17. P. Gumbsch and G. E. Beltz, “On The Continuum Versus Atomistic Descriptions of Dislocation Nucleation Versus Cleavage in Nickel,” Modeling and Simulation in Materials Science and Engineering 3, 597 (1995). pdf
18. D. M. Lipkin and G. E. Beltz, “A Simple Elastic Cell Model of Cleavage Fracture in the Presence of Dislocation Plasticity,” Acta Materiala 44, 1287 (1996). pdf
19. J. S. Speck, Mary A. Brewer, G. E. Beltz, A. E. Romanov, and W. Pompe, “Scaling Laws for the Reduction of Threading Dislocation Densities in Homogeneous Epitaxial Buffer Layers,” J. Appl. Phys. 80, 3808 (1996). pdf
20. D. M. Lipkin, D. R. Clarke, and G. E. Beltz, “A Strain-Gradient Model of Cleavage Fracture in Plastically Deforming Materials,” Acta Materiala 44, 4051 (1996). pdf
21. G. E. Beltz, J. R. Rice, C. F. Shih, and L. Xia, “A Self-Consistent Model for Cleavage in the Presence of Plastic Flow,” Acta Materiala 44, 3943 (1996). pdf
22. A. E. Romanov, W. Pompe, G. E. Beltz, and J. S. Speck, “An Approach to Threading Dislocation ‘Reaction Kinetics’,” Appl. Phys. Lett. 69, 3342 (1996). pdf
23. A. E. Romanov, W. Pompe, G. E. Beltz, and J. S.
Speck, “Modeling of Threading Dislocation Density Reduction in
Heteroepitaxial Layers,
24. A. E. Romanov, W. Pompe, G. E. Beltz, and J. S. Speck, “Modeling of Threading Dislocation Density Reduction in Heteroepitaxial Layers, II. Effective Dislocation Kinetics,” Phys. Stat. Sol. B 199, 33 (1997). pdf
25. D. M. Lipkin, G. E. Beltz, and D. R. Clarke,
“A Model of Cleavage Fracture Along Metal/Ceramic Interfaces,” in Thin
Films: Stresses and Mechanical Properties VI (edited by W. W. Gerberich, H.
Gao, J.-E. Sundgren, and S. P. Baker), Materials Research Society Proceedings 436,
26. G. E. Beltz, Margherita Chang, J. S. Speck, W. Pompe, and A. E. Romanov, “Computer Simulation of Threading Dislocation Density Reduction in Heteroepitaxial Layers,” Phil. Mag. A 76, 807 (1997).
27. G. E. Beltz, Margherita Chang, M. Eardley, W. Pompe, A. E. Romanov, and J. S. Speck, “A Theoretical Model for Threading Dislocation Reduction During Selective Area Growth,” Mater. Sci. Engng. A 234, 794 (1997). pdf
28. Lisa L. Fischer and G. E. Beltz, “Continuum Mechanics of Crack Blunting on the Atomic Scale: ElasticSolutions,” Modeling and Simulation in Materials Science and Engineering 5, 517 (1997). pdf
29. Anna Machová and G. E. Beltz, “Stability of Crack Tips in Terms of Molecular Dynamics,” Kovove Materialy (Metallic Materials) 36, 135 (1998). pdf
30. R. Miller, R. Phillips, G. E. Beltz, and Michael Ortiz, “A Non-Local Formulation of the Peierls Dislocation Model,” J. Mech. Phys. Solids, 46, 1845 (1998). pdf
31. A. E. Romanov, W. Pompe, Sheila K. Mathis, G. E. Beltz, and J. S Speck, “Threading Dislocation Reduction in Strained Layers,” J. Appl. Phys, 85, 182 (1999). pdf
32. G. E. Beltz and Lisa L. Fischer, “Effect of Finite Crack Length and Blunting on Dislocation Nucleation in Mode III,” Phil. Mag. A 79, 1367 (1999). pdf
33. C. B. Garcia, Cheryl Kimiko Endo, Margherita Chang, and G. E. Beltz, “Dislocation Models as Teaching Aids,” Journal of Materials Education 21, 149 (1999). pdf
34. G. E. Beltz, D. M. Lipkin, and Lisa L. Fischer, “Role of Crack Blunting in Ductile Versus Brittle Response of Crystalline Materials,” Phys. Rev. Lett. 82, 4468 (1999). pdf
35. G. E. Beltz, Robin L. Blumberg-Selinger, K.-S.
Kim, and M. P. Marder (editors), Fracture and Ductile vs. Brittle Behavior -
Theory, Modeling, and Experiment, Materials Research Society Proceedings 539,
36. Margherita Chang, Sheila K. Mathis, G. E. Beltz, and C. M. Landis, “Annihilation Radii for Dislocations Intercepting a Free Surface with Application to Heteroepitaxial Thin Film Growth,” in III-V and IV-IV Materials and Processing Challenges for Highly Integrated Microelectronics and Optoelectronics (edited by S. A. Ringel, E. A. Fitzgerald, I. Adesida, and D. C. Houghton), Materials Research Society Proceedings 535, Pittsburgh, pp. 9-14 (1999). pdf
37. D. M. Lipkin, G. E. Beltz, and Lisa L. Fischer,
“Effect of Crack Blunting on the Ductile-Brittle Response of Crystalline
Materials,” in Fracture and Ductile vs. Brittle Behavior - Theory,
Modeling, and Experiment (edited by G. E. Beltz, R. L. Blumberg Selinger,
K.-S. Kim, and M. P. Marder), Materials Research Society Proceedings 539,
38. Lisa L. Fischer and G. E. Beltz, “Effect
of Crack Geometry on Dislocation Nucleation and Cleavage Thresholds,” in Fracture
and Ductile vs. Brittle Behavior - Theory, Modeling, and Experiment (edited
by G. E. Beltz, R. L. Blumberg Selinger, K.-S. Kim, and M. P. Marder),
Materials Research Society Proceedings 539,
39. Anna Machová, G. E. Beltz, and Margherita Chang, “Atomistic Simulation of Stacking Fault Formation in BCC Iron,” Modeling and Simulation in Materials Science and Engineering 7, 949 (1999). pdf
40. M. P. Rao, A. J. Sanchez-Herencia, G. E. Beltz, R. M. McMeeking, and F. F. Lange, “Laminar Ceramics that Exhibit a Threshold Strength,” Science 286, 102 (1999). pdf
41. G. E. Beltz and D. M. Lipkin, “A Dislocation Model for the Directional Anisotropy of Grain Boundary Fracture,” MRS Bulletin 25, 21 (2000). pdf
42. Sheila K. Mathis, A. E. Romanov, L. F. Chen, G. E. Beltz, W. Pompe, and J. S. Speck, “Modeling of Threading Dislocation Reduction in Growing GaN Layers,” Phys. Stat. Sol. A 179, 125 (2000). pdf
43. Lisa L. Fischer and G. E. Beltz, “The Effect of Crack Blunting on the Competition Between Dislocation Nucleation and Cleavage,” J. Mech. Phys. Solids 49, 635 (2001). pdf
44. A. E. Romanov, G. E. Beltz, W. T. Fischer, P. M. Petroff, and J. S. Speck, “Elastic Fields of Quantum Dots in Subsurface Layers,” J. Appl. Phys. 17, 221 (2001). pdf
45. G. E. Beltz and Lisa L. Fischer, “Effect
of T-Stress on Edge Dislocation Formation at a Crack Tip Under Mode I
Loading,” in Multi-Scale Deformation and Fracture in Materials and Structures
(edited by T.-J. Chuang and J. W. Rudnicki), Kluwer,
46. SHEILA K. MATHIS, A. E. ROMANOV, L. F. CHEN, G. E. BELTZ, W. POMPE, and J. S. SPECK, “Modeling of Threading Dislocation Reduction in Growing GaN Layers,” J. Crystal Growth 231, 371 (2001). pdf
47. KELLY D. DA SILVA, G. E. BELTZ, and Anna
Machová, “Tension-Shear Coupling in Slip and Decohesion of Iron
48. G. E. BELTZ and Anna Machová, “Effect of T-Stress on Dislocation Emission in Iron,” Scripta Materialia 50, 483 (2004). pdf
49. MARIE D. DAHLEH and G. E. BELTZ, “The Compression of Statics: Is there a Difference Between Summer Session and the Academic Year?” in Proceedings of the 2004 American Society for Engineering Education Annual Conference & Exposition (2004). pdf
50. A. PARANJPYE, G. E. BELTZ, and N. C. MACDONALD, “An Analytical Model for the Effect of Elastic Modulus Mismatch on Laminate Threshold Strength,” in Mechanical Properties of Nanostructured Materials and Nanocomposites (edited by R. Krishnamoorti, E. Lavernia, I. Ovidko, C.S. Pande, and G. Skandan), Materials Research Society Proceedings 791, Pittsburgh, pp. 289-294 (2004). pdf
51. A. PARANJPYE, N. C. MACDONALD, and G. E. BELTZ, “A Nanoscale Composite Material for Enhanced Damage Tolerance in MEMS Applications,” in Technical Proceedings of the 2004 NSTI Nanotechnology Conference and Trade Show, pp. 363-366 (2004). pdf
52. Anna Machová and G. E. BELTZ, “Ductile-Brittle Behavior of (001)[110] Nanocracks in BCC Iron,” Mater. Sci. Engng. A 387, 414 (2004). pdf
53. A. J. MONKOWSKI and G. E. BELTZ, “Model for the Suppression of Edge-Cracking in Layered Ceramic Composites,” Int. J. Solids and Structures 42, 581 (2005). pdf
54. G. E. BELTZ, MARGHERITA CHANG, and Anna Machová, “A Model for Crack-Induced Nucleation of Dislocations, Complex Stacking Faults, and Twins,” Materials Science Forum 482, 17 (2005). pdf
55. Fjóla Jónsdóttir, G. E. BELTZ, and R. M. MCMEEKING, “Modeling of Threshold Strengths in Cylindrical Ceramic Structures,” J. Applied Mechanics 72, 381 (2005). pdf
56. A. PARANJPYE, G. E. BELTZ, and N. C. MACDONALD, “An Analytical Model for the Effect of Elastic Modulus Mismatch on Laminate Threshold Strength,” Modeling and Simulation in Materials Science and Engineering 13, 329 (2005). pdf
57. Fjóla Jónsdóttir, D. HALLDORSSON, G. E. BELTZ, and A.E. ROMANOV,“Elastic Fields and
Energies of Coherent
58. A. E. ROMANOV, G. E. BELTZ, P. CANTU, F. WU, S. KELLER, S. P. DENBAARS, and J. S. SPECK, “Cracking of III-Nitride Layers with Strain Gradients,” Appl. Phys. Lett. 89, 161922 (2006). pdf
59. G.E. Beltz and Anna Machová, “Reconciliation of continuum and atomistic models for the ductile versus brittle response of iron,” Modeling and Simulation in Materials Science and Engineering 15, 65 (2007). pdf
60. A. E. Romanov, G. E. Beltz, and J. S. Speck, “Crack nucleation in Subsurface Layers with Strain Gradients,” Int. J. Materials Research 98, 723 (2007). pdf