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- W944389650 abstract "Lunar simulant material was fabricated to simulate Apollo 11, Apollo 15, and Apollo 16 soils. The approximate compositions which these soils simulate are given. Samples of each soil simulate were fabricated into right circular cylinders, placed into a microwave reaction cavity, and heated using 2.45 GHz radiation to a particular processing temperature at which it was held for a prescribed length of time. Examples are given of two microwave heating programs for these simulant samples. Upon completion of thermal processing, each sample had its top and bottom surfaces polished. A technique was employed which looks at hardness data to determine the fracture toughness of a material and then relates this to thermal shock resistance. Some advantages of this technique are its low cost for analysis and thermal shock resistance as a function of initial sample orientation in the microwave field can be determined. Samples were prepared for testing and results are expected. At the same time, other samples are currently being investigated using scanning electron microscopy to determine their microstructures." @default.
- W944389650 created "2016-06-24" @default.
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- W944389650 date "1989-01-01" @default.
- W944389650 modified "2023-09-27" @default.
- W944389650 title "An investigation of some mechanical and thermal properties of lunar simulant materials heated at 2.45 GHz" @default.
- W944389650 hasPublicationYear "1989" @default.
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