Sanjay Pal

3 Questions 1 Answers 0 Followers

Questions related from Sanjay Pal

What does activation energy of polymer melt exactly mean ? does lower activation energy means more efficient polymer melt flow ?

Arrhenius-Frenkel- Eyring equation : n = A*eE/RT where, n = viscosity, A= empirical constant, E = activation energy, R = universal gas constant, T= temperature.

05 May 2019 8,469 4 View

How XPS technique can be used for characterizing different allotropic forms of carbon, i.e. Graphene, Graphite and Diamond ?

Schematic structures of different allotropic form of carbon are given in the attachment.

11 November 2017 1,866 1 View

How the relation can be expressed between stress strain curve for amorphous polymer with the rate of elongation, i.g. 100 to 500 mm/min ?

is there a mathematical relation ?

10 October 2017 4,260 0 View