GROWTH AND ANALYSIS OF ALUMINA ' 'WHISKERS' '
Abstract
Alumina whiskers were grown at 1700 to 1800 C in argon and helium atmospheres containing smallAMOUNTS OF HYDROGEN. Whiskers thus produced were analyzed by X-ray diffraction, by spectrographic emission, and by wet chemical methods. For the chemical analysis a scheme was developed for establishing impurity levels in the whiskers. Also, a simple tube furnace apparatus for whisker growth is described. Conditions conductive to growth were investigated, as well as characteristics of whisker growths. Some whiskers which possess unusually complex dendritic growth patterns were examined in considerable detail, and evidence was found of several distinct types of growth forms. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- May 01, 1962
- Accession Number
- AD0278806
Entities
People
- C.t. Lynch
- F.w. Vahldiek
- L.b. Robinson