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Questions related from Harshal Kulkarni
In HSLA, high yield stress (strength) is attained due to dispersion hardening of carbides/carbo-nitrides, and their grain refinement effect. But, same carbides/carbo-nitrides makes ferrite, free...
14 April 2017 5,476 4 View
Why are Cementite plates observed in Hypereutectic Cast Irons? Where-as Cementite globules are observed at grain boundaries of Hypoeutectic Cast Iron?
16 March 2017 8,817 2 View
Who makes the fatigue crack to change the direction from Step I type crack (on the plane of maximum shear stress _ Slip Band Crack Growth) to Step II (on the plane of High Tensile Stress),...
19 February 2017 5,435 0 View
For better creep resistance of the material, the single crystal is recommended, like single crystal nickel superalloy for turbine blades. But, why the grain size less than 10 micrometres is...
18 February 2017 8,979 3 View
If an alloy steel contains Mn, Mo & S. Then, what we expect in the microstructure, whether MnS or MoS2?
09 January 2017 1,738 11 View
Is rolling of the sheet governed by Pure Shear?
05 March 2016 3,053 0 View
What is the relation between Equicohesive temperature and Recrystallization temperature?
02 February 2016 4,545 1 View
Material shows superplasticity at smaller grain size, lower strain rate and higher temperature, but higher ductility (elongation) and lower flow stress at larger grain size by Hall Patch Impirical...
01 February 2016 7,223 7 View
