Intheanalysesofthekineticsofdiffusion-controlledphasetransformationtheavailabilityofanalyticalsolutionsfordissolutionislimitedcomparedtothoseforgrowth.Thedifficultyseemstoarisefromthefactthatonehastodealwithanon-zeroinitialradiusinthedissolutionofprecipitates.Toalleviatethisdifficultyseveralapproximateanalyses,i.e.invariant-field,invariant-size(stationary-interface,SI)andlinearizedgradient(LG)approximationsetc.,weredevisedandtheaccuracyof
扩散控制球形沉淀的溶解