Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 602-621 of 1483
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Fabrication and Characterization of Metal- Insulator -Metal Diode and Gray scale Lithography
(University of Waterloo, 2013-11-26)The objective of this thesis is to successfully design, fabricate, and characterize an optimum metal-insulator-metal diode that can be used as a fast switching diode in various applications such as solar energy conversion. ... -
Fabrication and characterization of nano carbon-based electrochemical double-layer capacitors
(University of Waterloo, 2015-08-26)Porous electrode is a key component in electrochemical double layer capacitors (EDLCs), also called supercapacitors, which provides effective charge storage sites and ion transport channels along the electric double-layer ... -
Fabrication and Design of Hybrid Monolithic Shape Memory Alloy Actuators
(University of Waterloo, 2008-05-21)Shape memory alloys (SMA) offer several advantages over traditional electro-mechanical devices, including: smooth, silent, clean operation; linear actuation; high power/weight ratio; scalability; and reduced part counts. ... -
Fabrication and electrokinetic motion of electrically anisotropic Janus droplets in microchannels
(Wiley, 2016-09-07)This paper presents experimental investigations of the fabrication and the motion of electrically anisotropic Janus droplets in a microchannel under externally applied direct current (DC) electrical field. The fabrication ... -
Fabrication and Energetic Characterization of Al/Cu2O Nano-Laminate Thermite
(University of Waterloo, 2021-01-06)Thermites are a class of material which utilizes the oxidation/reduction reaction of the metal fuel and metal/non-metal oxide to produce heat. Thermite materials are used in a variety of applications including welding, ... -
Fabrication and energetic characterization of micro and nano sized Al/CuO core-shell particles
(University of Waterloo, 2019-05-24)Thermite is one type of energetic material which could release a large amount of heat through an oxidation-reduction reaction. Thermite material has a lot of application in joining, metal refining and propulsion. Al/CuO ... -
Fabrication and Evaluation of Multiple Memory Nitinol Stents for Biomedical Applications
(University of Waterloo, 2017-08-15)Cardiovascular diseases (CVD) are the leading cause of deaths worldwide. The development of stents led to a revolutionary phase in the treatment of these diseases [1]. A stent is a tubular metallic structure that is implanted ... -
Fabrication and Model Based Position Estimation of Novel Laser Processed Shape Memory Alloy Actuator with an Embedded Strain Gauge Sensor
(University of Waterloo, 2017-09-28)Shape Memory Alloys have sparked great amount of interest in the eld of actuation over the past decades. Until now, sensorless position estimation of SMA actuators under dynamic unknown applied stresses has not been ... -
Fabrication of 2D materials via novel laser treatment processes and their implementation in optoelectronic applications
(University of Waterloo, 2020-06-01)Pulsed laser treatment of 2D materials is becoming increasingly popular due to the simple and efficient nature of the treatment process. In this thesis, the femtosecond laser treatment methods of 2D materials to fabricate ... -
Fabrication of a New Model Hybrid Material and Comparative Studies of its Mechanical Properties
(University of Waterloo, 2007-07-27)A novel aluminum foam-polymer hybrid material was developed by filling a 10 pore per inch (0.39 pores per millimeter), 7 % relative density Duocel® open-cell aluminum foam with a thermoplastic polymer of trade name Elvax®. ... -
Fabrication of Hard-to-Process Ni-Based Superalloy Thin-Wall Parts Made by Laser Powder Bed Fusion
(University of Waterloo, 2022-10-24)Thin-wall part fabrication is significant for aerospace, automotive, and thermal applications, which require complex metallic features hard to manufacture using conventional manufacturing processes. Laser powder bed fusion ... -
Fabrication of nanochannels on polystyrene surfaces
(Biomicrofluidics, 2015-05)Solvent-induced nanocrack formation on polystyrene surface is investigated experimentally. Solubility parameter and diffusion coefficient of alcohols are employed to elucidate the swelling and cracking processes as well ... -
Fabrication of Nanocomposite Filaments for 3D-Printing of Water Treatment Membranes
(University of Waterloo, 2018-09-07)The ever-increasing demand to provide fresh, potable water combined with the continued discharge of industrial and agricultural water pollutant chemicals in the water, require developments in conventional water and wastewater ... -
Fabrication of Nanoscale Josephson Junctions and Superconducting Quantum Interference Devices
(University of Waterloo, 2011-09-30)Fabrication of nanoscale Josephson junctions and Superconducting Quantum Interference Devices (SQUID) is very promising but challenging topic in the superconducting electronics and device technology. In order to achieve ... -
Fabrication of polydimethylsiloxane (PDMS) nanofluidic chips with controllable channel size and spacing
(Royal Society of Chemistry, 2016-08-09)The ability to create reproducible and inexpensive nanofluidic chips is essential to the fundamental research and applications of nanofluidics. This paper presents a novel and cost-effective method for fabricating a single ... -
Fabrication of Single-Walled Carbon Nanotube Electrodes for Ultracapacitors
(University of Waterloo, 2011-08-30)Well dispersed aqueous suspensions containing single-walled carbon nanotubes (SWCNTs) from bulk powders were prepared with surfactant and without surfactant by acid functionalization. SWCNT coated electrodes were then ... -
Fabrication of Surface Metal Matrix Composites Using Friction Stir Processing
(University of Waterloo, 2014-09-19)Friction stir processing has been employed to produce metal matrix composites by incorporating reinforcement particles in an Al 5059 matrix. Various particles with sizes from 130 nm to 4.3 um, and different process ... -
Fabrication of ZnO/Cu2O heterojunctions in atmospheric conditions: Improved interface quality and solar cell performance
(Elsevier, 2015-04-01)Zn1−xMgxO/Cu2O heterojunctions were successfully fabricated in open-air at low temperatures via atmospheric atomic layer deposition of Zn1−xMgxO on thermally oxidized cuprous oxide. Solar cells employing these heterojunctions ... -
Failure Analysis of Brazed Joints Using the CZM Approach
(University of Waterloo, 2011-09-16)Brazing, as a type of joining process, is widely used in manufacturing industries to join individual components of a structure. Structural reliability of a brazed assembly is strongly dependent on the joint mechanical ... -
Failure Analysis of Thick Wire Bonds
(University of Waterloo, 2013-04-24)In the last decade, reliability problems have become a critical subject in power modules. Understanding design weakness and failure mechanisms of thick wire bond are two critical steps in managing the risk of wire bond ...