The ACerS Basic Science Division is hosting the webinar Are we using the right sintering models: new insights from in situ experiments? presented by Dr. Shen J. Dillon (University of California, Irvine). Densification during sintering is almost universally interpreted in context of diffusional models first developed by Coble. The models assume that grain boundaries act as an infinite vacancy sink (or interstitial source), the surface acts as an infinite vacancy source (or interstitial sink), and atomic diffusion limits the overall kinetics at a rate proportional to the instantaneous sintering stress. Read more... Click here to register.
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