Rohit Mathew

7 Questions 17 Answers 0 Followers

Questions related from Rohit Mathew

Is polyethylene glycol (PEG) hygroscopic?

Does Polyethlylene Glycol absorb water when exposed to air in room conditions? Is it possible to remove the absorbed water by simple heating?

20 January 2016 497 8 View

What are the guidelines to be followed for tensile test simulations using LAMMPS?

I would like to know what precautions one should take while performing tensile testing in LAMMPS. For example; tensile testing of Copper. I would like to perform the test at room temperature...

26 October 2015 6,370 6 View

Is it possible to obtain copper without any annealing twins through processing?

In copper we observe annealing twins, growth twins or deformation twins regularly based on the processing history. Is it possible to process copper such that the twins are not nucleated or the...

04 September 2015 9,224 1 View

Can anyone help with the definitions of coherent and incoherent twin boundaries in metals?

In metals if we say a boundary is coherent, it is understood that the atoms on either side of the boundary have a one-to-one matching bonds on the other side and for incoherent boundaries all...

26 August 2015 4,145 18 View

How can one calculate strain in a Nanoindentation test?

During nanoindentation we use an indenter at certain loads to penetrate a surface and used the load-displacement data to calculate the hardness value and reduced modulus. But there is no mention...

09 March 2015 2,236 7 View

I would like to etch both fully annealed as well work hardened copper. Can anyone please advise me on an etchant for pure copper for these conditions?

I am trying to etch pure copper which has been well annealed and rolled. The FeCl3+HCl+Water solution, although gives good results it does not give clean optical microstructures. The rolled...

14 January 2015 7,322 3 View

Is there a method to increase dislocation density in a material without deforming it?

I would like to understand the behavior of initial dislocation density and grain boundaries and associated yield strength. I have read that radiation damage increases dislocation loops, so can a...

02 May 2014 6,968 1 View