Browsing Mechanical and Mechatronics Engineering by Title
Now showing items 937-956 of 1509
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The mechanism of pore segregation in the sintered nano Ag for high temperature power electronics applications
(Elsevier, 2018-10-01)It is widely accepted that nano pores of sintered nanoparticles can coalesce into micro pores during high temperature service. When applying sintered nanoparticles in power electronics, the pore segregation and delamination ... -
Mechanistic Studies of Interface Formation Between AA3003 and AA4045 Alloys During Fusion™ Casting
(University of Waterloo, 2015-04-30)Fusion™ casting is a unique Direct Chill (DC) continuous casting process whereby two different alloys can be cast simultaneously, producing a laminated aluminum ingot. Empirically derived operating ranges exist for Fusion™ ... -
Mechano-chemical synthesis of amorphous manganese borohydride, the effect of catalytic additives on its hydrogen generation properties, and crystallization during solvent extraction
(University of Waterloo, 2016-10-13)Abstract This thesis forms one of the final parts of an extended study on the hydrogen storage and generation properties of metal borohydrides. Manganese borohydride, Mn(BH4)2, which is expected to be formed by the ... -
Mechatronic design, actuator optimization, and control of a long stroke linear nano-positioner
(Elsevier, 2018-04-01)In this paper, mechatronic design, actuator optimization and controls of a long-stroke (20 mm) linear nano-positioner are presented. The mechatronic design is described in terms of the stage's most prominent features ... -
Mechatronic Design, Dynamics, Controls, and Metrology of a Long-Stroke Linear Nano-Positioner
(University of Waterloo, 2016-12-01)Precision motion systems find a broad range of application in various fields such as micro/nano machining tools, lithography scanners, testing and metrology machines, micro-assembly, biotechnology, optics manufacturing, ... -
Melting modes in laser powder bed fusion additive manufacturing
(University of Waterloo, 2021-08-18)Laser powder bed fusion (LPBF) is a metal AM technology that has one of the highest industrial uptake at the moment in the aerospace, automotive, and biomedical sectors. LPBF enjoys such popularity as it enables the ... -
Mesoscale modeling and direct simulation of explosively dispersed granular materials
(University of Waterloo, 2019-01-09)Explosively dispersed granular materials frequently exhibit macroscale coherent particle clustering and jetting structures. The underlying mechanism is of significant interest to study instability and mixing in high-speed ... -
Metallurgical Issues in Low-Temperature Joining of Silver Nanowires
(University of Waterloo, 2014-04-24)Silver nanowires (Ag NWs) have a wide range of applications in the electronic industry and are attracting growing world-wide interest because of their unique thermal, chemical, electrical and mechanical properties. ... -
A method for determining the effective longwave radiative properties of pleated draperies
(Taylor & Francis, 2011-10-01)Draperies, attached to fenestration, offer a cost-effective strategy in controlling solar gain since draperies have the potential to reduce building peak load and annual energy consumption. The performance of a drapery is ... -
A Methodology for Data-Informed Process Control in Progressive Die Sheet Metal Forming
(University of Waterloo, 2022-10-25)This thesis investigates the coupled relationship between the strip transfer and forming operations in progressive die sheet metal forming, including the effects of the strip layout geometry, and its effect on the process ... -
A Methodology for Global Comparison of Fire Testing Standards in Transportation Applications
(University of Waterloo, 2013-09-23)In recent decades, many manufacturing industries have globalized their operations and the Canadian manufacturing sector has experienced dramatic downsizing. For a manufacturing company to succeed therefore, it is necessary ... -
Methodology for the Performance Evaluation of Ceiling Recessions for Vertical Floor Opening Protection
(University of Waterloo, 2013-05-22)Current Canadian Building Codes mandate prescribed design requirements for the protection of vertical floor openings by means of draft stops and closely spaced sprinklers. In the event that a design cannot meet the ... -
Methods for Calculating the Effective Longwave Radiative Properties of a Venetian Blind Layer
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2004)Window solar gain can strongly influence building energy consumption, peak loads, and comfort. Shading devices are routinely used to control solar gain. The use of venetian blinds is particularly common. There is a strong ... -
Methods for Calculating the Effective Solar-Optical Properties of a Venetian Blind Layer
(American Society of Heating, Refrigerating and Air-Conditioning Engineers, 2005)Window solar gain can strongly influence building energy consumption, peak loads, and comfort. Shading devices are routinely used to control solar gain. The use of venetian blinds is particularly common. There is a strong ... -
Methods of Characterizing Gas-Metal Arc Welding Acoustics for Process Automation
(University of Waterloo, 2005)Recent developments in material joining, specifically arc-welding, have increased in scope and extended into the aerospace, nuclear, and underwater industries where complex geometry and hazardous environments necessitate ... -
The micro-damage process zone during transverse cortical bone fracture: No ears at crack growth initiation
(Elsevier, 2017-10-01)Apply high-resolution benchtop micro-computed tomography (micro-CT) to gain greater understanding and knowledge of the formation of the micro-damage process zone formed during traverse fracture of cortical bone. Bovine ... -
Micro-scale Studies on Hydrodynamics and Mass Transfer of Dense Carbon Dioxide Segments in Water
(University of Waterloo, 2017-05-19)Microfluidic technologies have started to show their potential in assisting with the probes into the complicated mechanical-chemical interactions of multiphase fluids at microscale geometries (e.g., regular channels, porous ... -
Micro-Welding of Nitinol Shape Memory Alloy
(University of Waterloo, 2010-04-30)Nitinol shape memory alloys have revolutionized many traditional engineering designs with the unique properties of pseudoelasticity and shape memory effect. At the present moment, primary fabrication processes for ... -
A microfluidic chip integrated with droplet generation, pairing, trapping, merging, mixing and releasing
(Royal Society of Chemistry (RSC), 2017-03-16)Developing a microfluidic chip with multiple functions is highly demanded for practical applications, such as chemical analysis, diagnostics, particles synthesis and drug screening. This work demonstrates a microfluidic ... -
Microfluidic droplet trapping, splitting and merging with feedback controls and state space modelling
(Royal Society of Chemistry (RSC), 2016-07-16)We combine image processing and feedback controls to regulate droplet movements. A general modelling approach is provided to describe droplet motion in a pressure-driven microfluidic channel network. A state space model ...