Akash Mukhopadhyay

7 Questions 2 Answers 0 Followers

Questions related from Akash Mukhopadhyay

Does more fraction of high angle grain boundaries always indicate fully recrystallized grains for friction stir processed Al-Mg-Si alloy ?

In general, continuous dynamic recrystallization forms high angle grain boundaries for fully recrystallized grains in a severe plastic deformation process (e.g. friction stir processing) of...

20 September 2021 7,076 4 View

What could be the reason behind apparent contradiction between Grain Boundary maps and Kernel Average Misorientation maps for AA6061 alloy after FSP?

After Friction Stir Processing of this aluminium alloy, KAM and Grain Boundary maps are obtained by EBSD. It shows, the region of blue colored recrystallized grains in KAM map correspond to the...

18 September 2021 5,937 1 View

What could be the reason behind getting shear dimples in uni-axial tensile testing of a ductile material like aluminum ?

Fracture surface after Uni-axial tensile testing of pure aluminium sub-size tensile specimen shows the presence of elongated dimples instead of equi-axed dimples. What could be the reason behind...

28 December 2019 5,600 5 View

How to ensure continuous flow of Aluminium Powder though the hollow tool during Additive Friction Stir process?

I want to use basic principles of Friction Stir Processing to do Additive Manufacturing of Aluminium. For this purpose, I'm trying to extrude Aluminium powder through the hollow shoulder of a...

26 October 2019 5,728 2 View

What are the standard reagents and procedures followed to get microstructures with clear grain boundaries in case of pure aluminum and Al 6061 alloy ?

I have currently used one day old or freshly prepared modified Poulton's reagent for etching pure aluminium and Al 6061 alloy and also varying the time between 8 to 15 seconds. But the...

20 September 2019 4,323 3 View

Why Inverse Pole figures are plotted for [001] [101] [111] directions in most of the materials with cubic lattice (e.g. Al alloy) ?

It can be seen most of the Pole figures and Inverse pole figures obtained from EBSD have projections in [001] [101] [111] direction

01 January 1970 463 4 View

Does the EDS analysis of Aluminium alloys accurately give the Carbon percentage in Elemental Analysis?

I want to know if it is possible to make any definitive conclusion about Carbon present in Aluminium alloy from the EDS report as it might be highly inaccurate.

01 January 1970 9,889 3 View