Film failure at earlier and later stages of nanoindentation in static and sliding modes

R Dash, K Bhattacharyya, AS Bhattacharyya - Engineering Failure Analysis, 2023 - Elsevier
Crack growth needs to be restricted in ceramics used for biomedical, microelectronic, and
any structural applications whatsoever. Having the know-how of its initiation and …

Synergistic fractural features observed in Ti-B-Si-C hard coatings on enhancing the sharpness of nano indenters

R Dash, K Bhattacharyya, AS Bhattacharyya - International Journal of …, 2023 - Elsevier
Abstract The multicomponent Ti-B-Si-C hard coatings consisting of different hard phases
have varied uses in tool, heavy duty as well as microelectronic industries, The fractural …

Stress distribution variations during nanoindentation failure of hard coatings on silicon substrates

R Dash, K Bhattacharyya… - … and Precision Engineering …, 2023 - pubs.aip.org
Regarding quality inspection of technologically important nanocomposite hard coatings
based on Ti, B, Si, C, and N and bioceramics such as hydroxyapatite that are used in small …

Fracture associated with static and sliding indentation of multicomponent hard coatings on silicon substrates.

R Dash, K Bhattacharyya… - Fatigue & Fracture of …, 2023 - search.ebscohost.com
Multicomponent hard coatings comprising Ti, B, Si, C, and N elemental compositions have
significant applications in the fabrication of micro-electro-mechanical devices especially …

Sensitivity in nanomechanical pedestal MEMS cantilever

AK Rajak, R Dash, A Kumari… - Materials Today …, 2024 - Elsevier
Nanomechanical resonator-based sensing devices are used in medical diagnostics based
on their high-frequency dynamic behavior. Cantilevers fall into the category of …

Crack growth based on indentation along substrate and nanocrystallites in titanium diboride thin films.

R Dash, AS Bhattacharyya - Fatigue & Fracture of …, 2023 - search.ebscohost.com
Thin films having phases involving elements Ti, B, Si, C, and N deposited mainly on silicon
substrates have applications in micro-electromechanical system (MEMS)-based devices due …

[HTML][HTML] Effect of loading rate and coating thickness on wear and adhesion during sliding indents of Si–C–N/glass coatings useful for automotive applications

AS Bhattacharyya, K Bhattacharyya - Results in Surfaces and Interfaces, 2024 - Elsevier
Automotive components involving glass are coated with hard materials for protection
against, UV glaze, EM interference, abrasion, and thermal shock. Thermally resistant …

Ductile–brittle indentation fracture transitions in hard coatings

AS Bhattacharyya, AK Rajak… - Surface …, 2024 - journals.sagepub.com
The article has provided a novel way of finding the probability of fracture (P f) based on
modifications of some established concepts. It has also discussed ductile to brittle as well as …

[PDF][PDF] Fracture analysis of Si-CN coatings using different methods and its effect on electrical conduction

AS Bhattacharyya, K Bhattacharyya - researchgate.net
The ternary nanocomposite comprising of a mixture of different phases viz., SiC, Si-N, CN
and different hybridized carbon grown over an amorphous Si-CN phase has also been …

Elemental Dissolution in Multicomponent PDC Based Mixed-Phase Hard Films

A Bhattacharyya - 2024 - preprints.org
Due to the high temperature limitation associated with silicon, SiC, Si 3 N 4, TiC, TiN, TiB 2,
cBN, CNx, SiO 2, Al 2 O 3 and novel multicomponent nanocomposites polymer derived …