A short overview of in situ methods is given. Multiple laminates of thin films is believed to represent unstable transition structures in many processing operations. A hypotesis for the break up is that first thin cylinders are formed . At a later stage these cylinders break up to spheres.A sandwhich of a thin film( few microns thick) between two very thich layers of another material Is studied by light-scattering during simple shear flow . When the films break up to a final state the sample are shockcooled. The two pase structure is investigated by transmission electron microscopy. A film breakup mechanism involving creation of parallel layers of thin, filmlike formations parallel with the original film is observed. These layers then break up to a final state encompasing nearly spherical drops spread over a thickness much larger (by orders of magnitude) than the original film thickness.
|Journal||Journal of Macromolecular Science: Part B - Physics|
|Publication status||Published - 1996|
|Event||1995 Europhysics Conference on Macromolecular Physics - Prag, Czech Republic|
Duration: 17 Jul 1995 → 20 Jul 1995
|Conference||1995 Europhysics Conference on Macromolecular Physics|
|Period||17/07/1995 → 20/07/1995|