Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effect of Cracks at Shallow Depths during Nanoindentation in Titanium Diboride Hard Coatings

Version 1 : Received: 24 November 2023 / Approved: 24 November 2023 / Online: 27 November 2023 (10:24:55 CET)

How to cite: Bhattacharyya, A. S. Effect of Cracks at Shallow Depths during Nanoindentation in Titanium Diboride Hard Coatings. Preprints 2023, 2023111625. https://doi.org/10.20944/preprints202311.1625.v1 Bhattacharyya, A. S. Effect of Cracks at Shallow Depths during Nanoindentation in Titanium Diboride Hard Coatings. Preprints 2023, 2023111625. https://doi.org/10.20944/preprints202311.1625.v1

Abstract

Hard coatings like Titanium diboride (TiB2) on silicon substrates are used for interconnects. micro-electro-mechanical devices and metallurgical protective coatings were analyzed based on shallow depths of nanoindentation penetration which involves a change in the nature of the contact from Hertzian to Pyramidal both in loading as well as unloading modes. Features like ductile fracture, linear unloading, and the creation of electrical conduction paths were analyzed. These high-precision features are influenced by the thickness and crystalline nature of the films and are significant for device fabrication.

Keywords

Titanium diboride (TiB2); thin films; nanoindentation; fracture; conduction

Subject

Engineering, Metallurgy and Metallurgical Engineering

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