Who can give me information (or article) about thermomechanical processes of cobalt base alloys (haynes 25 or haynes 188)?

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How can reduce Carbon content by Vacuum Arc Remelting?

we want reducing Carbon content of initial electrode of VAR furnace, electrode composition prepared for VAR is (FSX-414: 52Co 29Cr 10Ni 7W) but Carbon is higher than limited composition (about...

11 December 2019 7,530 3 View

What is best solution to produces VAR (Vacuum Arc Remelting) electrode from scrap?

we want to produce VAR electrode (d=150 mm) from scraps (Ti 6-4) for melting (with attached shape). what is best solution for producing of initial electrode? can we cut it to small pieces and...

10 November 2019 9,493 2 View

I want some basic information of "Incoloy 907" Iron-Nickel base alloy.

who can help me about "Incoloy 907" its (Fe-Ni-Co-Nb-Ti) superalloy. i need some information about: product approach, deformation, heat treatment and microstructrue. please guide me.

06 July 2017 9,933 6 View

We conducted hot rolling with 2 diffrent reduction of thickness. is it possible diversity in volume fraction of carbide in alloy (Haynes 188)?

hello after hot rolling with 2 different reduction of thickness (60% and 85%) on haynes 188 (Carbide strengthened and solid solution Cobalt base alloy) we observed sample with 85% reduction of...

04 May 2017 1,619 6 View

What is cause loss of hot ductility in some superalloys?

hi everyone, we conducted hot tension test on Haynes 188 (Co base superalloy) at 1100 C, 1150 C, 1175 C and 1200 C. but magnitude of ductility decrease after 1150 C. we evaluate microstructure...

31 December 2016 2,437 7 View

Hi...who can help me about metallography of Co-base alloy?

who can help me for microetchant of Haynes 188 (Co-22Ni-22Cr-14W-3Fe-0.1C)? please guide me with detail...Thank you.

05 June 2016 1,213 0 View

What is best etchant for Haynes 188 (Co-20Cr-20Ni-14W-0.1C)?

what is the best etchant for Haynes 188 (Cobalt base)? i used: 1)HCl 37% + H2O2 2)solution A: 7ml HCl+15ml H2SO4+15ml HF+ 15ml HNO3 + 10ml H2O solution B: 20ml of solution A + 10ml HF+ 20ml HCl+...

04 May 2016 5,411 1 View

What is best etchant for Haynes 188 (Co-20Cr-20Ni-14W-0.1C)?

what is best etchant for revealing microstructure of Haynes 188 (Co-base alloy)? i used below solution but result wasn't good enough. i used: 90ml HCl 37%+ 5ml H2O2 please help me. thank you all

04 May 2016 2,039 3 View

Who can help me for EBSD test?

i should be achieve EBSD (electron back scatter diffraction) for my current project. but we had not access to it. can i send my specimens to a corporation or institute to do it for me. please guide me

04 May 2016 3,267 5 View

Who can help me to analyse this microstructure of Haynes 188 (Co-Cr-Ni-W)?

look at pic. what is this precipitation and streaks? this alloy was elcroetched. 100ml water 10 ml HCl

04 May 2016 7,292 6 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

Is there anyone with experience in TEM analysis who can assist with a manuscript for an upcoming journal?

Hello dear colleagues, We have prepared a manuscript on NiTi-based alloys and are seeking a second opinion on our current TEM results. If you are a Ph.D. holder with experience in TEM and have...

07 August 2024 9,563 0 View

How select composition for ods-high entropy alloys?

31 July 2024 2,795 1 View

Simulation of metal drawing by Abaqus with UMAT?

Hello, colleagues. Recently, I have been working on a metal processing simulation with my UMAT in Abaqus. I have outlined the corresponding simulation, but I keep encountering issues that cause...

30 July 2024 7,062 1 View

I am trying to obtain microstructure for Mg-Zn-Sn alloy?

Any suggestions with respect to etchant composition and holding time?

27 July 2024 6,925 2 View

Will the catalytic effect of retained austenite happens in steels including RA?

The catalytic effect of retained austenite refers to the phenomenon wherein quenching steels with a small amount of retained austenite, when subjected to tempering at a specific temperature...

27 July 2024 8,508 0 View

Does post-translational protein modification cause devisions on observed pI verses calculated pI?

In running two-dimensional gel electrophoresis on bacterial protein, some spots that appear to match a protein sequence have a significantly more acidic isoelectric point than the calculated pI....

24 July 2024 8,076 3 View

Can a shoot-through event of a tri-state digital buffer cause momentary Hi-Z state?

// interested in the difference between floating events and short circuits.

22 July 2024 6,565 0 View

Trial exclusion in eye-tracking data?

Is it reasonable to exclude all trials with a blink or saccade in the 150 ms before stimulus onset? As an alternative, would it be better to exclude blinks (after extending them by about 100 ms...

19 July 2024 3,838 0 View

What are the future implications of quantum computing on image processing algorithms?

Image Processing Algorithms, Quantum Computing.

17 July 2024 7,958 2 View