Booming demand for aircraft and power generation plants is fueling higher requirements for a specialized investment casting process that creates complex hollow internal shapes. Use of molded ceramic cores allows turbine engine blades and vanes to be cast to size with complex cooling passages, permitting engines to operate at higher temperatures with greater efficiency. GE Aviation has a record number of engines on order through 2012, its third record year in a row. The cores are also used for turbines in natural gas power generation plants.
One of the beneficiaries is a company called Certech, which is the largest independent producer of ceramic cores for investment casting. Technology growth is in materials development. “We’re always looking for a better mousetrap to give a better yield to the customer,” says Michael Kasberg, vice president and general manager of Certech. “When they pour metal around our parts sometimes they want to pour hotter metal. As a result you need a ceramic that won’t melt when it sees a higher temperature. “
This slideshow includes several versions of multi-materials machines, two different composites processes including one at microscale, and two vastly different metals processes. Potential game-changers down the line include three microscale processes.
UL is partnering with metals additive manufacturing (AM) supplier EOS to provide AM training to EOS's customers. It's designed to promote correct usage of AM technologies by OEMs and others in manufacturing.
To commemorate Earth Day, we take a look at the state of ocean plastic. If things don't change, by 2050 the oceans will contain more plastic than fish by weight. Here are the problems, as well as some solutions.
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