Modeling of material removal in copper blanket wafer polishing based on the hard polishing pad microstructure

LNQ Huy, LNQ Hoa, CCA Chen - The International Journal of Advanced …, 2023 - Springer
In the manufacture of integrated circuits (ICs), copper is used primarily as the multilevel
interconnect material, which is manufactured with a dual damascene technique utilizing …

Experimental analysis of contact fatigue damage using fractal methodologies

DK Prajapati, M Tiwari - Wear, 2020 - Elsevier
Gears are used in high power density (power throughput/weight) machines for continuous
power transmission. The efficiency and reliability of gears significantly depend on …

Prediction of contact response using boundary element method (BEM) for different surface topography

DK Prajapati, C Prakash, K Saxena, MS Gupta… - International Journal on …, 2024 - Springer
In the tribological design of machine elements, the contact surface topography has an
important influence on the contact pressure, stiffness, and real contact area. It is essential to …

Experimental investigation on evolution of surface damage and topography parameters during rolling contact fatigue tests

DK Prajapati, M Tiwari - … & Fracture of Engineering Materials & …, 2020 - Wiley Online Library
Nowadays, micropitting is perceived as one of the prevalent wear mechanisms, which is
responsible for the breakdown of high power density (power throughput/weight) machines …

The Influence of Non-Gaussian Roughness and Spectral Properties on Mixed Lubrication for Heavily Loaded Counterformal Contacts

DK Prajapati, M Björling - Lubricants, 2024 - mdpi.com
The impact of non-Gaussian height distribution and spectral properties on the lubrication
performance of counterformal (point) contacts is quantitatively studied (film parameter, Λ …

Topography analysis of non-Gaussian engineered rough surfaces

DK Prajapati, C Prakash - International Journal on Interactive Design and …, 2024 - Springer
The topography analysis of engineered rough surfaces provides an insight for an analysis of
thin film lubrication regime. The systematic characterization of rough surface helps to …

STMP at 10: shaping surface metrology, measurement and phenomena for a decade

R Wood, HL Costa - Surface Topography: Metrology and …, 2022 - iopscience.iop.org
Abstract Surface Topography: Metrology and Properties (STMP) is reaching its 10th Birthday
soon and this paper looks at the inception of the journal and the goals set in the mid 2010s …

Numerical analysis of rough hydrodynamic bearings for various deterministic micro-asperity features

DK Prajapati - Surface Topography: Metrology and Properties, 2021 - iopscience.iop.org
The hydrodynamic analysis of isotropic and anisotropic Gaussian surfaces has been studied
well. However, the analysis reported earlier cannot simply apply to non-Gaussian and self …

Analysis of micro-friction stir welding surfaces using fractal methodologies

DK Prajapati, S Ahmed - Surface Topography: Metrology and …, 2020 - iopscience.iop.org
The weld surface produced by micro-friction stir welding (micro-FSW) exhibit multi-scale
nature. The surface topography of weld surfaces affects the overall strength of components …

Evolution of Surface Topography During Wear Process

DK Prajapati, M Tiwari - Tribology in Materials and Applications, 2020 - Springer
There is an increasing demand for high power density (power throughput/weight) machines
such as wind turbines, gear boxes, electric drive trains, and turbines. This requires design of …