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Browsing by Subject "Intermetallic phases"

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Effect of solution heat treatment time on a rheocast Al-Zn-Mg-Cu alloy

Author: Mazibuko, NE ; Curle, UA Date: Jun 2011 During rheo-high pressure die casting (R-HPDC) of Al-Zn-Mg-Cu alloys a coarse eutectic phase is formed. This eutectic phase is difficult to take into solution because of its size and it would require longer solution heat treatment times. The ... Read more
Impact toughness of laser alloyed aluminium AA1200 alloys

Author: Mabhali, Luyolo AB ; Pityana, Sisa L ; Sacks, N Date: Aug 2013 Laser surface alloying of aluminium AA1200 was performed with a 4kW Nd:YAG laser and impact resistance of the alloys was investigated. The alloying powders were a mixture of Ni, Ti and SiC in different proportions. Surfaces reinforced with ... Read more
Impact toughness of laser surface alloyed Aluminium

Author: Mabhali, Luyolo AB ; Sacks, N ; Pityana, Sisa L Date: Mar 2012 Laser surface alloying of aluminium AA1200 was performed with a 4kW Nd:YAG laser and the impact resistance of the alloys was investigated. The alloying powders were a mixture of Ni, Ti and SiC in different proportions. Surfaces reinforced ... 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
Laser alloying of Al with mixed Ni, Ti and SiC powders

Author: Mabhali, Luyolo AB ; Pityana, Sisa L ; Sacks, N Date: Nov 2010 Laser alloying of aluminium AA1200 was performed with a 4.4kW Rofin Sinar Nd:YAG laser to improve the surface hardness. Alloying was carried out by depositing Ni, Ti and SiC powders of different weight ratios on the aluminium substrate. The ... Read more
Microstructural and tribological behavior of in situ synthesized Ti/Co coatings on Ti-6Al-4V alloy using laser surface cladding technique

Author: Adesina, OS ; Popoola, API ; Pityana, Sisa L ; Oloruntoba, DT Date: Nov 2017 The enhancement of the tribological properties of titanium (Ti-6Al-4V) has been the subject of wide range research over the years. The constraints associated with Ti-6Al-4V in severe tribological conditions due of its low hardness and poor ... Read more

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Browsing by Subject "Intermetallic phases"

Browsing by Subject "Intermetallic phases"

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