K. Deenadayalan

6 Questions 11 Answers 0 Followers

Questions related from K. Deenadayalan

What are the morphological change is expected when fine multi directional dendrites at the top of the coating undergoes re-melting?

During deposition of coating on a substrate using welding leads to the formation of equi-axed grains in the interface, long columnar dendrites in the middle and multi directional fine dendrites...

07 November 2019 8,353 7 View

Direct methods to find the percentage of phases using XRD data ?

i need to find out the percentage of phases enabled in a heterogeneous alloy system after fabrication and secondary processing. unlike Rietveld refinement processes i need to know if there is any...

20 May 2019 5,464 9 View

Why would the composite young's modulus reduces after incorporating particles having young's modulus 7 times the matrix youngs modulus?

composite modulus increases when the reinforced particle modulus is below 150 GPa in a parabolic trend whereas it reduces when the difference between the matrix and reinforcement is high..

04 May 2019 4,670 3 View

Is it okay to measure residual stress using XRD of a polycrystalline material with 300nm crystallite size? or it should be finer than this like 30nm?

What are the other limitations of residual stress measurement using XRD data?

01 January 1970 744 2 View

Is there any difference between tribolayer and glaze layer ?

If no what could be the reason for obtaining two different tribolayer of different colors viz. light grey and light grey shiny during on the wear track?

01 January 1970 6,718 2 View

What is the Relation between Residual stress and contraction volume of particle reinforced metal matrix composites in case of cladding?

When two different materials having a different thermal expansion coefficient are put together to form a metal matrix composite, if the particle is having a lower thermal expansion coefficient...

01 January 1970 989 2 View