3 papers
cond-mat.soft2025
Rheological Behavior of Colloidal Silica Dispersion: Irreversible Aging and Thixotropy
Vivek Kumar, Yogesh M. Joshi
In this work, we study the rheological behavior of colloidal dispersion of charge-screened nanoparticles of silica suspended in aqueous media that exhibits soft solid-like consiste…
cond-mat.soft2025
Nano-silica based Aqueous Colloidal Gels as Eco-friendly Thixotropic Lubricant
Arun Kumar, Vivek Kumar, Yogesh M. Joshi +1
The environmental risks posed by traditional oil and grease-based lubricants can be significantly mitigated by adopting water-based alternatives engineered with superior rheologica…
cond-mat.soft2025
Shear Stress Build-up Under Constant Strain Conditions in Soft Glassy Materials
Vivek Kumar, Gareth H McKinley, Yogesh M Joshi
In this work, we investigate the transient rheological behavior of two soft glassy materials: a clay dispersion and a silica gel, emphasizing their unconventional shear stress buil…