Dye-Sensitized Solar Cells (DSSC) are third generation solar cells used as an alternative to traditional silicon cells. DSSCs characterized by their durability, easy handling and ability perform better under diverse lighting conditions which makes them ideal choice for indoor applications. However, suffer from several limitations including low efficiencies, susceptibility electrolyte leakage extreme weather conditions, the need expensive materials fabrication techniques limits large-scale...

Proton Exchange Membrane (PEM) electrolysis, an advanced technique for producing hydrogen with efficiency and environmental friendliness, signifies the forefront of progress in this domain. Compared to alkaline cells, these electrolytic cells offer numerous advantages, such as lower operating temperatures, enhanced production efficiency, eliminating need aqueous solution. However, PEM electrolysis still faces limitations due high cost materials used membrane catalysts, resulting elevated...

The prevalence of kidney stones, a significant urological health concern, necessitates advancements in the management and treatment methods, particularly domain ureteral stents. This study explores feasibility potential benefits utilizing three biodegradable polymers—Polylactic Acid (PLA), Tough Polylactic (Tough PLA), Acid/Poly-hydroxybutyrate (PLA/PHB)—for fabrication 3D-printed stents tailored to patient-specific needs. Through integration CAD Fused Deposition Modeling (FDM) 3D printing...

Cold Spray (CS) process is a deposition in which micron-to-nano sized solid particles are deposited on substrate using high-velocity impacts. Unlike thermal spray processes, CS does not melt the thus retaining their original physical and chemical properties. These characteristics make ideal for various engineering applications. Though offers excellent promises, realization of its full potential limited by lack understanding effects critical parameters process. This study aims to understand...

Abstract Nanomachining of brittle materials is required in a wide range applications. This paper reports on the feasibility studies vibration-assisted nano-impact machining by loose abrasives (VANILA), novel nanomachining process for target-specific hard and materials. A mathematical model based Hertzian fracture mechanics theory has been developed to evaluate material removal VANILA process, where abrasive grains impact workpiece surface. Experimental investigations are conducted using...

The research includes analytical modeling and experimental study on precision machining of hybrid composite stacks with Submerged Abrasive Waterjet Machining (SAWJM) process. model predicts the rate material removal during SAWJM An in-house fabricated setup is used to machine Titanium Carbon Fiber Reinforced Polymer (CFRP). compares critical process parameters including grit size, machined cavity stand-off distance, kerf angle in (AWJM) processes are evaluated. It was found that has...

High-speed machining processes are significantly affected by the accumulation of heat generated friction in cutting zone, leading to reduced tool life and poor quality machined product. The use fluids helps draw out area, owing their cooling lubricating properties. However, conventional fluid usage leads considerable damage human health environment, addition increasing overall manufacturing costs. In recent years, minimum quantity lubrication (MQL) has been used as an alternative strategy,...

Smart ceramic materials are next generation with the inherent intelligence to adapt change in external environment. These destined play an essential role several critical engineering applications. Machining these using traditional machining processes is a challenge. The laser beam micromachining (LBMM) process has potential machine such smart materials. However, when performed air induces high thermal stress on surface, often leading crack formation, recast and re-deposition of ablated...

Regenerative medicine and tissue engineering are continuously advancing utilizing new technologies to provide reliable solutions for replacing damaged tissues. Unlike subtractive manufacturing, additive manufacturing became an answer creating complex shapes many fields, such as engineering, which requires the need create body parts that not geometrically simple. Three-dimensional (3D) bioprinting technology is a great tool will significantly benefit field of regenerative once precision...

Hybrid composites stacks are multi-material laminates which find extensive applications in industries such as aerospace, automobile, and electronics so on. Most hybrid consist of multiple layers fiber metal sheets stacked together. These composite have excellent physical mechanical properties including high strength, hardness, stiffness, fatigue resistance low thermal expansion. Micromachining these materials require particular attention conventional methods micro-drilling is extremely...

Vibration assisted nano impact-machining by loose abrasives (VANILA) is a novel nanomachining process that combines the principles of vibration-assisted abrasive machining, and tip-based nanomachining, to perform target specific machining hard brittle materials. An atomic force microscope (AFM) used as platform in this wherein, abrasives, injected slurry between workpiece vibrating AFM probe, impact cause nanoscale material removal. The objective study develop mathematical model determine...

Carbon fiber reinforced plastic (CFRP) are advanced engineering materials which recognized as the most sought-after composite for several industrial applications including aerospace and automotive sectors. CFRP have superior physical mechanical properties such lightweight, high resilience, high-durability strength-to-weight ratio. composites stacked up with titanium to form multi-layered material stacks enhance its load bearing capability. Traditional methods of stacking involves using...

Suspension dampers are extremely critical for modern automobiles absorbing vibrational energy while in operation. For years now, the viscous passive damper has been dominant. However, there is a constant need to improve and revolutionize damping technology adapt road conditions better performance. Controlled shock absorbers capable of adapting uneven profiles required meet this challenge enhance passenger comfort level. Among many types solutions, magnetorheological (MR) have gained...

Vibration Assisted Nano Impact-machining by Loose Abrasives (VANILA) is a novel nanomachining process that performs target specific nano abrasive machining of hard and brittle materials. An atomic force microscope (AFM) used as platform in this wherein, abrasives, injected slurry between the workpiece vibrating AFM probe, impact cause nanoscale material removal. Liquid medium required to confine abrasives within zone. However, presence liquid could significantly influence dynamics well...