Faiyaz Ahsan

7 Questions 5 Answers 0 Followers

Questions related from Faiyaz Ahsan

Thermal conductivity of metallic powder?

I am doing some experiment for measuring temperature dependent thermal diffusivity and conductivity of metallic powders like inconel 718, TI6AL4V. What I observe is there is an increase, then...

16 March 2020 3,093 6 View

Powder packing density?

Hello, can I get powder packing density by Dividing mass by the volume it has occupied?

03 February 2020 2,681 3 View

What is cell reynolds number?

Hello, I am doing powder bed fusion simulation in COMSOL. In result section, I can see cell reynolds number. What is the difference between the cell reynolds number and actual reynolds number? How...

25 September 2019 8,051 3 View

Relation between marangoni number and reynold number?

I am workersng on laser powder bed fusio. Can you please inform me if there is any relation between Marangoni number and reynoldnumbe?

22 September 2019 2,140 4 View

Does EDX provide more accurate result for elements with higher concentration in the alloy??

Hello, I am doing x-ray dispersive (EDX) analysis for Inconel 718 alloy. I have noticed that the elements with higher concentrations in Inconel 718 ( i.e: Nickel- 53%) is providing better accuracy...

11 July 2019 9,569 3 View

How to do SEM-EDX analysis?

Hello, I did a SEM-EDX analysis (attached in the picture) on Inconel 718 alloy. I am not sure how to analysis the data I got. In the data I got, there is significant weight percentage of Oxygen...

07 October 2018 1,847 4 View

How is Absorptivity of a material related to Temperature and Laser Wavelength?

Hello all, I am modeling a Laser based additive manufacturing of Inconel 718. I want to know if there is any Equation that relates Absorptivity of the material with Temperature and Laser...

18 February 2018 1,446 3 View