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. 1961 Aug 1;65A(4):297–336. doi: 10.6028/jres.065A.035

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The Journal of Research of the National Bureau of Standards Section A is a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. Articles from J Res may contain photographs or illustrations copyrighted by other commercial organizations or individuals that may not be used without obtaining prior approval from the holder of the copyright.

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(a) Noncoherent surface nucleus of dimensions a, b, and l on strained substrate lamella. Heavy arrow marked G shows direction of radial growth of modified lamellar spherulite.

(b) Logarithm of radial growth rate of spherulite as a function of temperature. ––––log G versus T, if jump rate effect is small; ——most representative cases where jump rate causes maximum to appear in log G;…. exhibits effect of excess nucleation in medium surrounding spherulite.