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Browsing Materials Science and Metallurgical Engineering by Supervisor "Du Toit, Madeleine"
Now showing items 1-13 of 13
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(University of Pretoria, 2007-05-15)This project examined the feasibility of using flux modification to reduce the as-deposited hydrogen content of basic-type shielded metal arc welds. Additions of oxidizing ingredients (micaceous iron oxides) to the reference ...
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(University of Pretoria, 2012-06-26)In addition to being one of the highest strength non-heat treatable aluminium alloys, magnesium-alloyed wrought aluminium 5083 displays excellent corrosion resistance and good weldability. Aluminium alloy 6061, alloyed ...
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(University of Pretoria, 2010-02-05)The effect of austenitising and tempering practice on the microstructure and mechanical properties of two martensitic stainless steels was examined with the aim of supplying heat treatment guidelines to the consumer or ...
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(University of Pretoria, 2008-11-13)Wide cracks in land-based Ni- or Co-base superalloy turbine components are difficult to repair successfully using conventional welding or brazing techniques. This project examined the feasibility of liquid phase diffusion ...
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(University of Pretoria, 2016)The feasibility of in-situ alloying of AISI 410L martensitic stainless steel with nitrogen during Nd-YAG laser cladding was investigated with the aim of achieving a nitrogen content of at least 0.08 wt% and fully martensitic ...
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(University of Pretoria, 2007-04-11)The sensitisation of a 12% chromium ferritic stainless steel, conforming to EN 1.4003 and available commercially in South Africa under the trade name of 3CR12, was investigated during the course of this project. 3CR12 was ...
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(University of Pretoria, 2008-09-29)Please read the abstract in the section, 00front, of this document
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(University of Pretoria, 2018)Compared to conventional arc welding processes, laser metal deposition is a low heat input, low dilution welding process. Weld overlay of thin wall components can be done successfully with low distortion and low dilution, ...
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(University of Pretoria, 2013)Stress-corrosion cracking of steel occurs in the CO-C02-H20 system when these three environmental components are present together. The dissolved carbon monoxide in the water forms an inhibitive layer on the surface of ...
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(University of Pretoria, 2018)The susceptibility to solidification cracking of unstabilized and stabilized ferritic stainless steels was investigated using self-restrained Houldcroft, Modified Varestraint-Transvarestraint (MVT), and hot tensile testing. ...
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(University of Pretoria, 2017)Low pressure gas carburising (LPGC) or vacuum carburising is a heat treatment process used in the aerospace and automotive industries to surface harden low alloy steel parts with carbon in the range of 0.1 to 0.25%. This ...
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(University of Pretoria, 2019)In the petrochemical industry, carbon steels exposed to H2S environments may be susceptible to stress-corrosion cracking. A tensile residual stress and high hardness increases the risk of cracking in H2S environments. NACE ...
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(University of Pretoria, 2019)In the petrochemical industry, carbon steels exposed to H2S environments may be susceptible to stress-corrosion cracking. A tensile residual stress and high hardness increases the risk of cracking in H2S environments. NACE ...
Now showing items 1-13 of 13