Siva Prasad Murugan

11 Questions 20 Answers 0 Followers

Questions related from Siva Prasad Murugan

Can Nanoindentation be used for cyclic elasticity/plasticity analyses?

Can the cyclic nanoindentation technique be used for analyzing the cyclic elasticity/plasticity/hardening/softening or viscoelastic properties of metallic materials? I could not find any research...

11 May 2021 4,091 4 View

Chemical etching before EPMA and EBSD?

I want to do EPMA and EBSD analysis on some steel weldments. In order to find some locations (within the weldment) for performing these, I should etch the samples. Does etching change the EPMA and...

21 July 2016 5,495 5 View

What may be the reason for the low tensile strength in the dissimilar resistance spot weld between Fe-Mn-C-Al austenitic steel and DP steel?

Dear Researchers, I am working on the dissimilar resistance spot welding of Fe-Mn-C-Al austenitic steel (with other alloying elements such as Si, Ni, Cr, Ti, Mo, Zr, V, Nb etc. in small amount)...

15 March 2016 3,863 11 View

What are the effects of shrinkage cavity/voids on the resistance spot welding of advanced high strength steels (AHSS)?

Hello researchers, Can anyone please explain the effects of shrinkage cavity/voids on the mechanical properties of resistance spot welded advanced high strength steels? I could find some journals...

18 January 2016 9,741 4 View

What is the corrosion resistance of FCC compared to BCC?

Can anyone please tell me whether there is any relation between crystal structure and corrosion resistance? I think FCC is more corrosion resistant than BCC. Is it true? Why? Regards. Siva Prasad M

01 August 2015 541 3 View

Which technique is useful to weld Al-Al2O3 composite?

Which technique is useful to do the welding of Al-Al2O3 composite? Will the reinforcement (Al2O3) melt during welding? If so, what will happen to the reinforcement (Al2O3) during the melting and...

23 April 2015 4,679 6 View

What may be the reason for the deterioration of corrosion resistance in repair welded stainless steel mild steel dissimilar arc weldment?

Recently i did repeated repair welding of 304-mild steel weldment using SMAW. While analyzing the corrosion behavior of the HAZ of mid steel side of the weldment, i have observed a lowering of...

26 February 2015 252 5 View

Is there any restriction for the number of repair welds that can be made on steel weldments according to any cords and standards?

Is there any international codes or standards like API code, AWS code, ASME BPVC which provides the maximum possible number of repair welds that can be done on MS or SS or dissimilar weldments??...

02 January 2015 3,988 5 View

Can we use Plasma Electrolytic Oxidation (PEO) technique on aluminium coated steel ?

Just imagine we are depositing aluminium over steel using hot dipping or TIG surfacing. Over this specimen can we use PEO technique to fabricate corrosion resistant coating?

30 December 2014 8,291 14 View

What may be the reason for the porosity in the HAZ of mild steel portion of the stainless steel-mild steel dissimilar weldment?

I have observed porosity at the HAZ of mild steel side of AISI 304 stainless steel and mild steel dissimilar weld. Welding technique was SMAW and the electrode used was E308L. What may be the...

20 December 2014 8,736 8 View

Whether Electrochemical Impedance Spectroscopy (EIS) is only useful for the corrosion analysis of surface coatings? Can we use this for weldments?

Electrochemical Impedance Spectroscopy is a useful technique to evaluate the corrosion properties of organic and inorganic coatings on metals and alloys. I have used this technique to study the...

16 December 2014 2,440 3 View