SC Casting: Single Crystal Casting Process for Large Gas Turbine Blades
Directionally solidified (DS) and single crystal (SC)
components have been used in aircraft turbines for many
years. They are also used in smaller turbines for landbased
power generation. However, the adoption of SC
technology for large land-based gas turbines is limited by
the formation of grain defects in large and complex turbine
blades, which is an impediment to the production of
energy and cost efficient land based gas turbines. A new
casting technology, developed by the Foundry Institute at
RWTH Aachen University, overcomes the problem and
allows significant reduction of grain defect formation while
improving the quality of single crystal components.
Further Information: PDF
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