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26<br />

<strong>NMMU</strong> <strong>Research</strong> and Innovation <strong>Report</strong> <strong>2011</strong> - <strong>Research</strong> Overview<br />

National Science and Technology Forums-BHP<br />

Billiton Award - 26 May <strong>2011</strong><br />

Ms Naledi Pandor, Minister of Science and Technology with Prof Danie<br />

Hattingh (Director of eNtsa) and Mr Phillip Doubell (Welding Engineer<br />

of Eskom’s Resources and Strategy Division) who received the award<br />

“<strong>Research</strong> leading to an innovation”, on behalf of the group.<br />

The eNtsa team won the <strong>2011</strong> National Science and Technology Forum<br />

(NSTF) Award for “<strong>Research</strong> leading to an innovation by a team” for<br />

the WeldCore TM technology. This award winning process was developed<br />

by the eNtsa group and Eskom’s Innovation and Sustainability<br />

Division. This category award is for individuals/teams that have made<br />

outstanding contributions to science, engineering and technology<br />

through research that has led to an innovation in South Africa.<br />

The NSTF-BHP Billiton awards are intended to identify and celebrate<br />

individuals and organisations for exceptional contribution in SETI. These<br />

awards were presented by the Minister of Science and Technology, Ms<br />

Naledi Pandor, and the Department of Science and Technology at a<br />

gala event held at the Emperors Palace on the 26th of May.<br />

On Saturday, 3 September <strong>2011</strong>, a team of engineers from eNtsa<br />

successfully implemented the first commercial application related<br />

to the patented WeldCore TM technology, jointly developed by <strong>NMMU</strong><br />

and Eskom. This was done at the Rotek facilities in Johannesburg on a<br />

component with a R1.2 billion replacement value.<br />

The application included the removal of a core sample and repair<br />

of the removal site by a Friction Taper Hydro Pillar Processing<br />

platform developed specifically for this application at eNtsa.<br />

Removal of a core sample and repair of the removal site by a Friction<br />

Taper Hydro Pillar Processing platform developed specifically for this<br />

application at eNtsa. The cylindrical core sample removed from the<br />

turbine rotor disk allowed Eskom's engineers to accurately determine<br />

subsurface creep damage.<br />

The cylindrical core sample removed from the turbine rotor disk<br />

allowed Eskom's engineers to accurately determine subsurface creep<br />

damage. This information provided adequate scientific evidence<br />

to create confidence in extending the service life of the current<br />

structure. This consequently now will lead to the postponement<br />

of capital expenditure and result in a major cost saving for Eskom.<br />

This momentous event is the result of hard work and research,<br />

co-developed by eNtsa and Eskom, over the past eight years.<br />

Longest Friction Stir Weld Demo - 6 October <strong>2011</strong><br />

eNtsa’s group of engineers on the welding platform designed and<br />

commissioned for a leading road tanker manufacturer, GRW.<br />

eNtsa successfully completed the longest Friction Stir Weld in<br />

Africa. This event took place on 6 October <strong>2011</strong> at 15:00 at the<br />

Motive Tooling Warehouse.

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