Abhinav Varshney

10 Questions 26 Answers 0 Followers

Questions related from Abhinav Varshney

What is meant by setpoint and integral gain in scanning probe microscopy?

Setpoint and Integral gain seems to be vital parameters that control the scanning of the sample surface during scanning probe microscopy. How do these parameters control the final image...

12 December 2014 7,895 5 View

Can one give the sample a desired strain by interrupting a uniaxial tensile test in between??

For my experiments, I am pulling the sample prepared as per ASTM E8M standard and then stopping the crosshead at the specified strain. But when I am trying to retrieve the sample back the jaws...

07 July 2014 2,765 10 View

How can we find lattice parameters with X-ray diffraction?

I have scanned a sample with X-rays for quantitative analysisof phases present. In the X-Ray diffraction plot (attached) peaks of phase with fcc and with bcc are easily identified. But, a peak is...

03 March 2014 4,978 22 View

During intercritical annealing in steels, how carbon concentration in austenite depends on isothermal holding temperature?

Dependence of carbon concentration in austenite on the temperature during newly developed Quench and Partitioning (Q&P) process has been mentioned by several authors. x(austenite) = x(ferrite)...

01 January 2014 7,289 5 View

How to find the stability of spheroidized pearlite at high temperatures?

Up to what temperature will the cementite particle in the spheroidized pearlite be stable? I have to find the relative stability of spheroidized pearlite and austenite in fully austenitic region.

10 October 2013 714 0 View

How is subscripted assignment given for solving non linear equation?

I wrote codes in matlab to solve an equation. Since I have a lot of data and for each data my output changes I decided to give it a while end loop for subscripted assignment. For example If I...

05 May 2013 6,181 1 View

Mixing molten alkali nitrate salts and alkali chloride salts, is it safe or not?

During my experimental procedure, a point will come when a small amount of molten alkali chloride salts will be mixed in molten alkali nitrate salts. I don't have much Idea of the chemistry...

02 February 2013 5,666 2 View

What properties of alloy elements in steel make them austenite, ferrite, and carbide stablizers?

Apart from the experimental observations, is there any other reason for why the alloy elements are classified as ferrite, austenite, and carbide stablizers.

12 December 2012 9,668 8 View

How can we calculate the true young's modulus by using machine stiffness?

Slope of elastic part of stress strain diagram does'nt give right young's modulus of material. Machine stiffness has to be taken care of for getting the correct value of young's modulus. How can...

12 December 2012 9,332 3 View

What is the effect of high tempering temperature on pearlitic structure in steels?

During high temperature tempering at 500 degree Celcius some distortion in the lemellar structure was noticed. Can anyone suggest the reasons behind this phenomenon?

10 October 2012 9,260 7 View