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Questions related from Khausik Narasimhan
It is common to blend elemental powder and pre-alloyed powder to make new alloys in PM. In case of liquid phase sintering, is it always better to take a MAP whose concentration is more than the...
02 February 2019 9,589 3 View
Usually, I use cyclohexane to blend metallic powders, to ensure that different powders get mixed homogeneously. Here, I want to use carbamide as a space-holder material during pressing and...
07 July 2018 498 2 View
I am working on sintering of metallic materials. If we use alloy powders formed by gas atomization, what kind of microstructure can we expect. In particular, what will be the distribution of...
04 April 2018 720 3 View
I am studying the degradation of biological implants, especially for Mg alloys. The idea is to subject the alloy in vitro test, using simulated body fluids (SBF). Is is possible to use...
01 January 2018 5,055 2 View
How does the initial micro structural features such as grain size and porosity after casting a wrought alloy affects its age hardening behaviour?
08 August 2017 9,351 3 View
Dear Prof Raabe, In this project, are you planning to use elemental powder to produce alloys, or will gas atomized alloy powders be used?. In case of gas atomized powder, will there be any...
01 January 1970 5,571 2 View
The diffusion of atoms during sintering has different mechanisms (surface, lattice, evaporation and condensation, grain boundary etc..). I would like to know, if there is some inherent oxide layer...
01 January 1970 4,549 4 View
