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Molecular Motion in Certain Solid Hydrocarbons

E.R. Andrew1950-05-01The Journal of Chemical Physics

An investigation has been made of the variation of the nuclear resonance absorption line width with temperature for four long chain aliphatic compounds and eight aromatic hydrocarbons. The aliphatic compounds are dimorphous; in the lower temperature modification it is concluded that the molecules are rigid at the lowe…

Solid-state spectroscopy and crystallographyAdvanced NMR Techniques and ApplicationsMolecular Spectroscopy and Structure

The Orientation Dependence of the Rate of Grain Boundary Migration

Paul A. Beck、P. R. Sperry、Hsun Hu1950-05-01Journal of Applied Physics

Very small recrystallized grains of a large variety of orientations were produced locally in lightly rolled high purity aluminum crystals. The rate of growth of these small grains varied greatly, depending on their relative orientation with respect to the matrix crystal. Grains with an orientation corresponding to a […

Crystallization and Solubility StudiesAluminum Alloy Microstructure PropertiesSolidification and crystal growth phenomena