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Articles 1 - 3 of 3
Full-Text Articles in Engineering
Surface Topography Formation And Thermographic Analysis In Laser Polishing Of H13 Tool Steel, Joshua D. Miller
Surface Topography Formation And Thermographic Analysis In Laser Polishing Of H13 Tool Steel, Joshua D. Miller
Electronic Thesis and Dissertation Repository
Laser polishing, in its simplest form, is the melting of a small layer of material via laser radiation. This creates a small molten pool which is re-distrusted across the surface, resulting in a much smoother finished surface. Although this process has been around for decades now, there has been a recent insurgence into industrial applications. Despite this, the phenomena that occur during the process are still not fully understood. Therefore, increasing the knowledge surrounding the process would be ideal.
To accomplish this, various input parameters of the process are altered to analyze the effect on the finished polished surface. Through …
Thermal Kinetics Of Helium Irradiation Hardening In Selected Alloys For The Canadian Gen. Iv Nuclear Reactor Concept, Feifei Nie
Electronic Thesis and Dissertation Repository
In this thesis, we present nano-indentation measurements performed to quantify the increase in hardness as a result of He+ and Fe4+ implantation in both Inconel 800H and AISI 310 alloys. After annealing, the softening rate of He+ and Fe4+ implanted samples were compared, and it is found that Ni can slow the helium diffusion. Thermal activation energy Q characterizing this process was similar to the computed thermal activation energy QHe for interstitial helium diffusion within pure nickel. Indentation hardness tests were also performed at various indentation strain rates, to further study the effect of implanted …
Bim Assisted Design Process Automation For Pre-Engineered Buildings (Peb), Mohammad Delavar
Bim Assisted Design Process Automation For Pre-Engineered Buildings (Peb), Mohammad Delavar
Electronic Thesis and Dissertation Repository
The effective adoption and implementation of Building Information Modeling (BIM) is still challenging for the construction industry. However, studies and reports show a significant increase in the rate of BIM implementation and adoption in mainstream construction activities over the last five years. In contrast, Pre-Engineered Building (PEB) construction, a specialized construction system which provides a very efficient approach for construction of primarily industrial buildings, has not seen the same uptake in BIM implementation and adoption. The thesis reviews the benefits and the main applications of BIM for the PEB industry as well as challenges of its practical implementation. To facilitate …