Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 8 of 8 for “"Micro-drilling"”.
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Optimizing the economic efficiency by micro-drill life improvement during deep-hole drilling in the 212-Valve manufacturing process
The micro-drilling process by robodrills in the production of valves at Waters Corporation is the bottleneck caused by the short drill life. This thesis analyzed the chip formation and removal during the process to improve the tool life. The effects of the tool materials, geometry and peck drilling …
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Needle-free injection nozzle geometry
… technique is developed using a combination of micro-drilling and sink electrical discharge machining to fabricate axisymmetric nozzle orifices. Optically clear planar nozzles are developed and fabricated to image and compare the cavitation within the interior of nozzles of different shapes. The …
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Two Innovative Applications Combining Fiber Optics and High Power Pulsed Laser: Active Ultrasonic Based Structural Health Monitoring and Guided Laser Micromachining
… research topic is "Fiber Optics Guided Laser Micromachining", which uses the fiber delivered pulse laser for material ablation. The objective of the first research topic is to develop a first-of-a-kind technology for remote fiber optic generation and detection of acoustic waves for structural …
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Strontium isotope tracing of prehistoric human mobility in France
… for strontium isotope analysis, such as micro drilling thermal ionisation mass spectrometry and in situ laser-ablation MC-ICPMS, were further developed and applied to a range of materials of known composition, including shark and dugong teeth, modern and archaeological fauna samples, and …
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Strontium isotope tracing of prehistoric human mobility in France
… for strontium isotope analysis, such as micro drilling thermal ionisation mass spectrometry and in situ laser-ablation MC-ICPMS, were further developed and applied to a range of materials of known composition, including shark and dugong teeth, modern and archaeological fauna samples, and …
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In-vitro Modelling of Stromal and Immune Cell Interactions Following Surgical Bone Marrow Stimulation
… earlier disease stages lack treatment options. Micro-fracture and micro-drilling, often termed bone marrow stimulation techniques, offer an early-stage repair and regenerative strategy. These techniques result in the formation of a haematoma containing Bone Marrow Stromal Cells (BMSC) and immune …
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Laser micro-processing of silicon using nanosecond pulse shaped fibre laser at 1 μm wavelength
… processing of high quality, high efficiency micro drilling and surface texturing applications. A secondary aim is to develop a greater understanding of the laser material interactions and material removal mechanism when using fast rise-time nanosecond laser pulse envelopes. The IR fibre laser …
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Modeling and analysis of chip evacuation forces for deep hole drilling processes
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-12-01