Browsing Conference Publications by Subject "XRD"

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Characteristics of laser In-situ alloyed titanium aluminides coatings

Author: Tlotleng, Monnamme ; Masina, Bathusile N ; Pityana, Sisa L Date: Jan 2017 The use of titanium aluminides as high temperature materials in the aerospace and automobile industries is becoming a reality since their early research and development in 1955. Their mechanical properties at elevated temperatures make them ... Read more
Do the results of respirable dust samples obtained from direct-on-filter X-ray diffraction, direct-on-filter infrared and indirect infrared (KBr pellet) methods correlate?

Author: Pretorius, C Date: Nov 2010 The objective of this study was to determine whether a correlation exists between the quartz results obtained from direct-on-filter X-ray Diffraction analysis, direct-on-filter Fourier-Transform Infrared analysis and indirect analysis (Potassium ... Read more
Interaction between Yttria fully stabilized Zirconia or Yttria-Zirconia blended face-coat with Ti6Al4V during investment casting

Author: Mutombo, K ; Kgomo, C ; Rossouw, P Date: Oct 2014 The interaction between the Ti6Al4V alloy and the mould materials was investigated. The alpha-case was characterized by Vickers hardness tester, optical and scanning electron microscopy equipped with electron dispersive X-ray spectrometry ... Read more
Laser alloyed Al-Ni-Fe coatings

Author: Pityana, Sisa L ; Rossouw, R Date: Oct 2008 The aim of this work was to produce crack-free thin surface layers consisting of binary (Al-Ni, Al-Fe) and ternary (Al-Ni-Fe) intermetallic phases by means of a high power laser beam. The laser surface alloying was carried out by melting Fe ... Read more
Microstructures of alloyed and dispersed hard particles in the aluminium surface

Author: Pityana, Sisa L Date: Mar 2010 Laser surface alloying of A1200 aluminium alloy was carried out using a 4.4 kW Nd:YAG laser. Powder mixtures of SiC and TiC hard particles were injected into the laser generated melt pool on the aluminium substrate using a commercial powder ... Read more
PBCO/YBCO bilayer growth and optimization for the fabrication of buffered step-edge Josephson junctions

Author: Van Staden, WF ; Buttner, U ; Fourie, CJ ; Srinivasu, VV ; Hardie, GL ; Perold, WJ Date: Apr 2009 Bilayers of PBCO and YBCO are grown epitaxially on MgO substrates using PLD. In this paper, researchers discuss the entire optimization process in detail, giving quantitative parameter values. Film characterization included XRD, AFM and ... Read more
The stability of Ag and ZnO engineered nanoparticles in Hoagland's nutrient water: the role of particle size and morphology

Author: Radebe, N ; Thwala, Melusi ; Cele, LM ; Sikhwivhilu, L ; Musee, N ; Shumbula, P Date: Aug 2013 The current study seeks to investigate the dissolution dynamics of silver (nAg) and zinc oxide (nZnO) engineered nanoparticles (ENPs), and how this affects their uptake by aquatic higher plants. First, the influence of particle size and ... Read more
XRD, DRS, and SEM stundies of the effects of metal dopants (Pt and Au) on the structural and optical properties of TiO2

Author: Moloantoa, JR ; Rammutla, KE ; Mosuang, TE ; Erasmus, RM ; Hillie, KT Date: Jul 2011 Au and Pt doped TiO2 nanocrystlas were prepared using the sol gel method. Diffuse Reflectance Spectroscopy (DRS) was used to study the characteristics of these precious metals and X-ray diffraction (XRD) with calculated lattice parameters was ... Read more

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Browsing Conference Publications by Subject "XRD"

Browsing Conference Publications by Subject "XRD"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect