Works (11)

Updated: July 5th, 2023 16:02

2006 journal article

The modeling of the shock response of powdered ceramic materials

COMPUTATIONAL MECHANICS, 38(1), 1–13.

By: A. Rajendran n, W. Ashmawi n & M. Zikry n

Contributors: A. Rajendran n, W. Ashmawi n & M. Zikry n

author keywords: powdered ceramic; alumina; shock response; wave propagation; computational formulation; plate impact; two-cap model; inelastic yielding; shock-dependent plasticity
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2004 journal article

Modeling of residual stresses for thermally strained GaN/Al2O3 heterostructures

JOURNAL OF CRYSTAL GROWTH, 266(4), 415–422.

By: W. Ashmawi n, M. Zikry n, K. Wang n & R. Reeber n

Contributors: W. Ashmawi n, M. Zikry n, K. Wang n & R. Reeber n

author keywords: Einstein model; finite element; stresses; thermal mismatch; epitaxial growth; alumina; gallium nitride; transversely-isotropic materials
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2003 article

Grain boundary effects and void porosity evolution

MECHANICS OF MATERIALS, Vol. 35, pp. 537–552.

By: W. Ashmawi n & M. Zikry n

Contributors: W. Ashmawi n & M. Zikry n

author keywords: grain boundary; porosity; dislocation-density interactions; interfacial mechanisms; void nucleation and growth; pile-ups; GB absorption
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2003 article

Grain-boundary interfaces and void interactions in porous aggregates

PHILOSOPHICAL MAGAZINE, Vol. 83, pp. 3917–3944.

By: W. Ashmawi n & M. Zikry n

Contributors: W. Ashmawi n & M. Zikry n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2003 journal article

Single void morphological and grain-boundary effects on overall failure in FCC polycrystalline systems

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 343(1-2), 126–142.

By: W. Ashmawi* & M. Zikry*

Contributors: W. Ashmawi* & M. Zikry*

author keywords: void morphology; microvoid nucleation and growth; porosity; grain-boundary; dislocation-density interactions; pile-ups; ductile failure
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2002 journal article

Prediction of grain-boundary interfacial mechanisms in polycrystalline materials

JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME, 124(1), 88–96.

By: W. Ashmawi n & M. Zikry n

Contributors: W. Ashmawi n & M. Zikry n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2001 journal article

Lateral epitaxy and dislocation density reduction in selectively grown GaN structures

JOURNAL OF CRYSTAL GROWTH, 222(4), 706–718.

By: T. Zheleva n, O. Nam n, W. Ashmawi n, J. Griffin n & R. Davis n

author keywords: epitaxy; selective growth; lateral epitaxial overgrowth; gallium nitride; pendeo-epitaxy; defects; transmission electron microscopy
Source: Web Of Science
Added: August 6, 2018

2000 journal article

Effects of grain boundaries and dislocation density evolution on large strain deformation modes in fcc crystalline materials

JOURNAL OF COMPUTER-AIDED MATERIALS DESIGN, 7(1), 55–62.

By: W. Ashmawi* & M. Zikry*

Contributors: W. Ashmawi* & M. Zikry*

author keywords: dislocation densities; failure; grain-boundaries; multiple-slip crystal plasticity; pile-ups
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

1999 journal article

Pendeo-epitaxy versus lateral epitaxial overgrowth of GaN: A comparative study via finite element analysis

Physica Status Solidi. A, Applications and Materials Science, 176(1), 545–551.

By: T. Zheleva, W. Ashmawi & K. Jones

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Pendeo-epitaxy: A new approach for lateral growth of gallium nitride structures

MRS Internet Journal of Nitride Semiconductor Research, 4S1(G3.38).

Source: NC State University Libraries
Added: August 6, 2018

1999 journal article

Thermal mismatch stress relaxation via lateral epitaxy in selectively grown GaN structures

APPLIED PHYSICS LETTERS, 74(17), 2492–2494.

By: T. Zheleva n, W. Ashmawi n, O. Nam n & R. Davis n

Source: Web Of Science
Added: August 6, 2018

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