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 …

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 …

[HTML][HTML] Conducting Polymers in Biosensing: a review

AS Bhattacharyya - Chemical Physics Impact, 2024 - Elsevier
Medical diagnostics and, to a lesser extent, pharmacy is two of the most prominent
applications of organic conducting polymers (CPs). Polymers that conduct electricity, such …

Tin Multilayer‐Aided SAC305‐Based Lead‐Free Solder Joint Interface with Cu: An Investigation of the Stress Distribution by Finite Element Analysis and …

M Char, AK Chakraborty… - Advanced …, 2024 - Wiley Online Library
Two different types of lead‐free solder joints Cu/(Sn3. 0Ag0. 5Cu)/Cu and Cu/Sn/(Sn3.
0Ag0. 5Cu)/Sn/Cu have been investigated. Joints are produced following the transient liquid …

Prediction of contact stress and wear analysis of nitrided and CAPVD coated AISI H11 steel under dry sliding conditions

GA Çelik, E Yarar, ŞH Atapek, Ş Polat - Engineering Failure Analysis, 2024 - Elsevier
In this study, AlTiN (monolayer) and CrN/AlTiN (bilayer) coatings are deposited on the
surface of conventional heat-treated AISI H11 steel which is then nitrided by cathodic arc …

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] SILICON OXYCARBONIRIDE BASED SPUTTERED HARD FILMS

AS Bhattacharyya - researchgate.net
Abstract Silicon Oxynitride (Si-ON) is basically a polymer derived ceramic (PDC) having
good fracture toughness and high temperature stability used in aerospace, sensing …

[PDF][PDF] Interfacial morphology and quantification of crystalline growth in Si-CN nanocomposite coatings

AS Bhattacharyya - researchgate.net
Hard coatings safeguard machines from wear and abrasion and reduce energy loss in a
variety of industrial sectors. The crystalline growth morphology on the surface, particularly at …

Effect of compositional variations and static-sliding indentation on Titanium based multi-phased composites and coatings

A Bhattacharyya - 2024 - researchsquare.com
Ti based composites and coatings in the form of TiAl-TaN and TiBSiC were analyzed by
means of nanoindentation and scratch tests. The variation of TaN wt% in TiAl was found to …

Cracks at shallow nanoindentation depths in titanium diboride hard thin coatings used in AFM nanoindentation

AS Bhattacharyya - Metallurgical Research & …, 2024 - metallurgical-research.org
Hard coatings like Titanium diboride (TiB 2) on silicon substrates which are used for
interconnects. micro-electro-mechanical devices and metallurgical protective coatings were …