Brian Dillon

2 Questions 6 Answers 0 Followers

Questions related from Brian Dillon

Why would the annealing of PLLA tubing result in a reduction in Young's modulus (uniaxial tensile testing) but an increase in Storage modulus (DMA)?

Hi, After completing uniaxial tensile testing on annealed and unannealed PLLA tubing, I'm witnessing a 22% decrease in the Young's modulus of the annealed samples. The samples were annealed at 70...

06 April 2019 6,103 8 View

What causes a shift in cold crystallisation temperature PLLA extruded tubes?

I comparing the thermal properties of two extruded batches (A & B) of PLLA tubing. I'm using the 1st heating cycle from DSC with a ramp of 10°C/min). The thermogram (attached below) for both...

15 July 2018 3,716 8 View