Browsing Conference Publications by Author "Ivanchev, LH"

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CW ND:YAG laser welding of dissimilar sheet metals

Author: Theron, Maritha ; Van Rooyen, Corney ; Ivanchev, LH Date: Oct 2007 A 4kW CW Nd:YAG laser was used for lap welding of three different dissimilar sheet metal combinations, namely 316L S/S - Ti64, 316L S/S - Al 5251 and Al 1200 – Cu (99.85%). A welding matrix of laser power, travel speed and spot sizes was ... Read more
Influence of heat treatments for laser welded semi solid metal cast A356 alloy on the fracture mode of tensile specimens

Author: Kunene, G ; Govender, G ; Ivanchev, LH ; Knutsen, R ; Burger, HP Date: Sep 2008 The CSIR rheo-process was used to prepare the aluminium A356 SSM slurries and thereafter plates (4x80x100 mm3) were cast using a 50 Ton Edgewick HPDC machine. Plates in the as cast, T4 and T6 heat treatment conditions which had passed radiography ... Read more
Near net shape forming unsing semi-solid metal forming

Author: Govender, G ; Ivanchev, LH Date: Oct 2005 The SSM forming technology has demonstrated that it will be a competitive process for the manufacture of high quality, high volume components for the automotive industry in particular. The new slurry approaches to SSM forming has made the ... Read more
Rheocasting of Al-Cu alloy A201 with different silver content

Author: Masuku, EP ; Moller, H ; Govender, G ; Ivanchev, LH Date: Sep 2008 Rheocasting of alloys A206 and A201 was investigated in this study. Conical bars with different silver contents were produced using CSIR rheoprocess technology, together with high pressure die casting. The results showed that addition of Ag ... Read more

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Browsing Conference Publications by Author "Ivanchev, LH"

Browsing Conference Publications by Author "Ivanchev, LH"

Browse

All of ResearchSpace

This Collection

Quick Links

Legislation and compliance

General Enquiries

Social Connect