Muhammad Waqas Khalid

4 Questions 2 Answers 0 Followers

Questions related from Muhammad Waqas Khalid

How and how much to take the quantity of two ceramic powders to be mixed in vol%?

I have to mix two ceramic powders in volume percent (50 vol% each). I measured their tap density. I multiplied this tap density with 0.5. It gave me the mass that i can weigh to mix the powders. I...

05 May 2019 9,122 3 View

In sintering kinetics of a powder compact, should i use shrinkage as dL/Lo (unitless), or should i calculate its percentage, and how?

In papers, shrinkage during sintering is mentioned in percentage. What is the reason for it, and how to calculate the percentage? And please also tell how to calculate activation energy of...

12 December 2018 6,245 3 View

How to calculate activation energy for sintering from plot of ln(dT/dt * dp/dT * T) vs 1/T in constant heating rate method?

I want to calculate activation energy for sintering of Al2O3 via constant heating rate method. I will choose three different heating rates. In all the papers I read, I can understand how to plot...

12 December 2018 6,256 3 View

When I calculate density of Al2O3/SiC composite from formula of archimedes principle,it's different,and when from its standard machine,it's lower.why?

The machine (setup) is based on archimedes principle. The values for metals are similar from calculaion and from machine.

12 December 2017 9,685 9 View