Search Results - "Jagtap, Piyush"

Whisker Growth in Sn Coatings: A Review of Current Status and Future Prospects by Jagtap, Piyush, Kumar, Praveen

“…Whiskering is a spontaneous filamentary growth of material, and it is a major long-term reliability issue affecting microelectronic packages comprising Sn…”
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Identification of whisker grain in Sn coatings by analyzing crystallographic micro-texture using electron back-scatter diffraction by Jagtap, Piyush, Chakraborty, Aritra, Eisenlohr, Philip, Kumar, Praveen

“…Here, we attempt to understand the age-old question of “where do whiskers in Sn coatings grow?” by performing grain orientation mapping in conjunction with a…”
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Analysis of Pressure-Induced Whisker Nucleation and Growth in Thin Sn Films by Jain, Nupur, Wang, Xincheng, Jagtap, Piyush, Bower, Allan, Chason, Eric

“…A recent publication (Jagtap et al. Scr Mat 182:43, 2020) reported real-time observations of stress-driven whisker nucleation and growth in a thin film of Sn…”
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A unified kinetic model for stress relaxation and recovery during and after growth interruptions in polycrystalline thin films by Jagtap, Piyush, Chason, Eric

“…A model for the kinetics of residual stress evolution is described that can be applied to both the relaxation during a growth interruption and the recovery…”
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Whisker growth under a controlled driving force: Pressure induced whisker nucleation and growth by Jagtap, Piyush, Jain, Nupur, Chason, Eric

“…We investigate whisker nucleation and growth kinetics in Sn coatings induced by the application of mechanical pressure. The pressure was applied to the samples…”
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Manipulating Crystallographic Texture of Sn Coatings by Optimization of Electrodeposition Process Conditions to Suppress Growth of Whiskers by Jagtap, Piyush, Kumar, Praveen

“…The effects of two major electrodeposition process conditions, electrolyte bath temperature and current density, on the microstructure and crystallographic…”
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Separating Nucleation from Growth Kinetics of Sn Whiskers using Thermal Pretreatment Followed by Mechanical Loading by Jain, Nupur, Jagtap, Piyush, Bower, Allan, Chason, Eric

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Sn Whisker Growth During Mechanical Loading and Unloading: Highlighting the Critical Role of Stress in Whisker Growth by Jagtap, Piyush, Jain, Nupur, Bower, Allan, Chason, Eric

“…Whisker formation in metallic coatings has been studied extensively over the past few decades. A wide consensus exists for stress as a driving force behind…”
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Critical Evaluation of Relative Importance of Stress and Stress Gradient in Whisker Growth in Sn Coatings by Jagtap, Piyush, Sethuraman, Vijay A., Kumar, Praveen

“…The role of stress state and stress gradient in whisker growth in Sn coatings electrodeposited on brass is examined. The bulk stress in Sn coatings was…”
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Tailoring energy absorption capacity of CNT forests through application of electric field by Jagtap, Piyush, Reddy, Siva Kumar, Sharma, Deepak, Kumar, Praveen

“…This study examines the effect of electric field on energy absorption capacity of carbon nanotube forests (CNTFs), comprising of vertically aligned multiwalled…”
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Effect of Substrate Composition on Whisker Growth in Sn Coatings by Jagtap, Piyush, Ramesh Narayan, P., Kumar, Praveen

“…Whisker growth was studied in Sn coatings deposited on three different substrates, namely pure Cu, brass (Cu-35 wt.% Zn) and pure Ni. Additionally, the effect…”
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Effect of electro-mechanical coupling on actuation behavior of a carbon nanotube cellular structure by Jagtap, Piyush, Gowda, Prarthana, Das, Bikramjit, Kumar, Praveen

“…We demonstrate the effect of mechanical strain on the electrostrictive behavior of catalytically grown cellular structure of carbon nanotube (CNT). In the…”
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Electrical and ion beam analyses of Yttrium and Yttrium-Titanium getter thin films oxidation by Bessouet, Clément, Lemettre, Sylvain, Kutyla, Charlotte, Bosseboeuf, Alain, Coste, Philippe, Sauvage, Thierry, Lecoq, Hélène, Wendling, Olivier, Bellamy, Aurélien, Jagtap, Piyush, Escoubas, Stéphanie, Guichet, Christophe, Thomas, Olivier, Moulin, Johan

“…Yttrium, Titanium and Yttrium-Titanium getter thin films were elaborated on silicon by co-evaporation in ultra-high vacuum. Y-Ti films exhibit nanometric…”
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Understanding crystallization in undoped and nitrogen doped GeTe thin films using substrate curvature measurements by Jagtap, Piyush, Guichet, Christophe, Tholapi, Raj, Noe, Pierre, Mocuta, Cristian, Thomas, Olivier

“…Herein, we study the crystallization of undoped and nitrogen doped amorphous GeTe thin films (slightly rich in Ge) obtained by sputtering using substrate…”
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Hydrogen sorption in yttrium-based getter thin films by Kutyla, Charlotte, Bessouet, Clément, Lemettre, Sylvain, Leroy, Laetitia, Bosseboeuf, Alain, Coste, Philippe, Sauvage, Thierry, Wendling, Olivier, Bellamy, Aurélien, Jagtap, Piyush, Escoubas, Stéphanie, Guichet, Christophe, Thomas, Olivier, Moulin, Johan

“…We investigated the sorption of hydrogen by yttrium-based getters for their application to vacuum wafer-level packaging of microelectromechanical systems. Thin…”
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Macro and micro-texture study for understanding whisker growth in Sn coatings by Jagtap, Piyush, Kumar, Praveen

“…The current work is aimed at analyzing the effects of crystallographic texture, both macro and microtexture, on whisker growth. The macro-texture of the Sn…”
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Critical Evaluation of Relative Importance of Stress and Stress Gradient in Whisker Growth in Tin Coatings by Jagtap, Piyush, Sethuraman, Vijay A, Kumar, Praveen

“…Journal of Electronic Materials, 47 (9), 5229-5242, 2018 Here, we study the role of stress state and stress gradient in whisker growth in Sn coatings…”
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Oxygen and hydrogen sorption in thermally activated yttrium-based getter thin films for MEMS vacuum packaging by Kutyla, Charlotte, Lemettre, Sylvain, Bessouet, Clement, Bosseboeuf, Alain, Coste, Philippe, Sauvage, Thierry, Wendling, Olivier, Bellamy, Aurelien, Jagtap, Piyush, Escoubas, Stephanie, Guichet, Christophe, Thomas, Olivier, Moulin, Johan

“…Many microsensors need to operate in medium vacuum, which is obtained by low temperature vacuum packaging integrating a getter film. By a thermal activation…”
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