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Ceramics Moving Into Jet Engines

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Elizabeth M
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Trial and error
Elizabeth M   2/13/2013 7:23:30 AM
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Thanks for this take on the new use of ceramics as part of the composites trend in jet engine design and manufacturing, Louis. It's interesting to see what new materials are being explored to lower the weight and cost of engines. I imagine there will be a lot of trial and error to see what works best as these efforts develop.

Dave Palmer
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Re: Trial and error
Dave Palmer   2/14/2013 6:33:00 PM
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@Lou: Good article.  Have there been any recent improvements to the fracture toughness of ceramics? I don't doubt that they can handle the heat, but I would be more concerned about the lack of ductility.


Elizabeth M
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Re: Trial and error
Elizabeth M   2/15/2013 6:28:16 AM
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Good point, Dave. That was my first thought when I saw this, actually--can ceramics deal with that kind of heat without fracturing.

Ann R. Thryft
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Re: Trial and error
Ann R. Thryft   2/25/2013 12:51:21 PM
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Like plastics, it depends: not all ceramics are the same. Ceramics have a long history in military and aerospace apps, and not just in the electronics:

http://en.wikipedia.org/wiki/Ceramic_engineering

ervin0072002
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Gold
Interesting Subject
ervin0072002   2/13/2013 12:52:22 PM
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This is a subject I have firsthand experience with. I believe if anyone can do it GE can. The company has the resources and the expertise available to accomplish this shift in technology. And it's only a matter of time before these products become main-stream.

I am sure GE will have a lot to learn in this field. However the benefits are always worth the effort in the end. That's why innovation is necessary. Survival is not mandatory in his industry.

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