DTIC ADA183412: Thermal Decomposition of Nd3(+), Sr2 pdf

DTIC ADA183412: Thermal Decomposition of Nd3(+), Sr2

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Powders of Nd3+, Sr2+, and Pb2+ Beta aluminas were prepared by ion exchange of Na+ beta alumina. On heating to temperatures ranging from 850 C to 1700 C, XRD analysis indicates that Nd3+, and Pb2+ beta aluminas start to decompose at around 1100C. Sr2+ beta alumina remains unaffected to temperatures of 1300 C. The mechanism of the decomposition process and the resultant phase trasformations are different for each case. Keywords: Beta Alumina, ion exchange, X ray diffraction, phase transformations, Neodymium, Strontium, Lead

• Creator/s: Defense Technical Information Center
• Date: 7/1/1987
• Year: 1987
• Book Topics/Themes: DTIC Archive, Yang, D L, CALIFORNIA UNIV LOS ANGELES DEPT OF MATERIALS SCIENCE AND ENGINEERING, *ALUMINUM OXIDES, *THERMAL DEGRADATION, ALUMINUM OXIDES, DECOMPOSITION, HEATING, ION EXCHANGE, NEODYMIUM, PHASE TRANSFORMATIONS, STRONTIUM, TEMPERATURE, X RAY DIFFRACTION, PYROLYSIS, NEODYMIUM, REPLACEMENT, METASTABLE ALLOYS, LEAD(METAL), LITHIUM, POWDER METALS

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