Passive intermodulation at contacts of rough conductors

A Dayan, Y Huang, A Schuchinsky - Electronic Materials, 2022 - mdpi.com
Passive intermodulation (PIM) is a niggling phenomenon that debilitates the performance of
modern communications and navigation systems. PIM products interfere with information …

Tensile behavior of single-crystal superalloy with different structured cooling holes

Z Zhang, W Wang, R Jiang, C Kim, W Tian… - International Journal of …, 2022 - Elsevier
Film cooling hole structures significantly influence the mechanical behavior of a single
crystal turbine blade. This study investigates the tensile behavior of nickel-based single …

Inelastic microstructural failure mechanisms in crystalline materials with high angle grain boundaries

MA Zikry, M Kao - Journal of the Mechanics and Physics of Solids, 1996 - Elsevier
Microstructurally-induced failure mechanisms in crystalline materials with coincident site-
lattice (CSL) high angle grain boundaries (GBs) have been investigated. A multiple-slip rate …

Dislocation density evolution and interactions in crystalline materials

P Shanthraj, MA Zikry - Acta materialia, 2011 - Elsevier
Dislocation density-based evolution formulations that are related to a heterogeneous
microstructure and are physically representative of different crystalline interactions have …

Analyses of dislocation effects on plastic deformation

S Mohamadnejad, A Basti, R Ansari - Multiscale Science and Engineering, 2020 - Springer
This paper reviews the dislocation based models that have been used until now to consider
dislocation effects on the plastic deformation in the crystalline material. We separate two …

Dislocation-density evolution and pileups in bicrystalline systems

MJ Chen, D Xie, N Li, MA Zikry - Materials Science and Engineering: A, 2023 - Elsevier
A dislocation-density crystalline plasticity (DCP) framework based on total and partial
dislocation densities interactions was used to investigate the behavior of Cu/Pb bicrystals …

Surface roughness, asperity contact and gold RF MEMS switch behavior

O Rezvanian, MA Zikry, C Brown… - … of Micromechanics and …, 2007 - iopscience.iop.org
Modeling predictions and experimental measurements were obtained to characterize the
electro-mechanical response of radio frequency (RF) microelectromechanical (MEM) …

A new crystal plasticity scheme for explicit time integration codes to simulate deformation in 3D microstructures: Effects of strain path, strain rate and thermal softening …

J Rossiter, A Brahme, MH Simha, K Inal… - International Journal of …, 2010 - Elsevier
The predominant deformation mode during material failure is shear. In this paper, a crystal
plasticity scheme for explicit time integration codes is developed based on a forward Euler …

Crystal plasticity analysis of cylindrical holes and their effects on the deformation behavior of Ni-based single-crystal superalloys with different secondary orientations

H Zhou, X Zhang, P Wang, S Lu - International Journal of Plasticity, 2019 - Elsevier
The effects of cylindrical holes and secondary orientations on the deformation behavior of Ni-
based single crystals were investigated by in-situ tensile experiments and crystal plasticity …

Void growth and interaction in crystalline materials

VC Orsini, MA Zikry - International Journal of Plasticity, 2001 - Elsevier
An inelastic rate-dependent crystalline constitutive formulation and specialized
computational schemes have been developed and used to obtain a detailed understanding …