Spyridon Chaskis

8 Questions 6 Answers 0 Followers

Questions related from Spyridon Chaskis

Are there any differences between lower Bainite carbides?

Is there any relationship (crystallographic) between the carbides (Fe3C) in the lower Bainite. I think that carbides inside and around lower Bainite plate do not behave the same way. Is there any...

14 April 2020 5,709 3 View

How to measure the Delta Ferrite content in martensitic PH stainless steel?

I want to measure the delta ferrite content in an 17-4 PH (uns s17400/aisi630) stainless steel. Is there any standard or certified procedure for an exact measure or even and approximation? The...

10 March 2020 2,144 7 View

Whats the best magnification to do an EDS Mapping in FESEM?

When I use high magnification (10000x) the map of some elements is not the very clear. Should I use lower magnification, like (5000x)?

05 March 2020 8,847 4 View

How to make Superpicral etchant?

I want to etch 17-4PH / 1.4542 / AISI 630 / X5CrNiCuNb16-4 stainless steel alloy after H1150D aging treatment in order to make visible the prior austenite grain boundaries.

04 March 2020 7,496 2 View

Where to find the ductile–brittle transition temperature (DBTT) for a specific alloy? Is there any way to calculate it?

I would like to know the the ductile–brittle transition temperature (DBTT) for 17-4 PH stainless steel. It is important for me to know this value after the aging of my samples. Is there any...

21 January 2020 5,409 3 View

What are the future trends for sintered stainless steels manufacturing?

Hello everyone, I would like to ask your opinion regarding the future trends for sintered stainless steel production. Why would we change typical stainless steel manufacturing to the sintered...

01 January 1970 1,226 3 View

Can aluminium industry transform into a "Green" industry?

We all know that aluminium production is not so "green", since the production cost (electricity, alumina, raw materials) is big, around 70% of the total cost. Moreover, the environmental footprint...

01 January 1970 4,137 4 View

Advices for a beginner in DFT Simulation

I am working on High-Entropy alloys and I would like to try and learn about DFT simulations. Since I am completely new in this field, where do you recommend me to start learning about DFT...

01 January 1970 3,278 9 View