who can help me for microetchant of Haynes 188 (Co-22Ni-22Cr-14W-3Fe-0.1C)? please guide me with detail...Thank you.
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
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
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
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
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
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 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
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
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
we annealing Haynes 188 (Co-base alloy) in different temperature and after we observed some twining in it (annealing twin). i want comparison whit together, i estimate volume fraction of twin...
03 April 2016 8,029 3 View
I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...
09 August 2024 5,048 2 View
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
I am working on Abaqus/Explicit(Quasistatic ) for the deformation of the auxetic structure model. Please explain how the plastic input value should be considered from the true stress-strain curve...
05 August 2024 454 3 View
How select composition for ods-high entropy alloys?
31 July 2024 2,795 1 View
Any suggestions with respect to etchant composition and holding time?
27 July 2024 6,925 2 View
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
The Louvain method – named after the University of Louvain where Blondel et al. developed the algorithm – finds communities by optimizing modularity locally for every node’s neighborhood, then...
23 July 2024 6,659 0 View
I am working on powder metallurgy, and during the compaction process, the powder does not pelletize and remains in its powder form. To address this issue, I am considering using binders to improve...
13 July 2024 9,003 2 View
Waspaloy is considered the benchmark alloy. Due to the different gamma prime solvus temperatures, we couldn't adopt the same double aging treatment. Can anyone suggest how to select temperatures...
13 July 2024 2,417 1 View
In the expression for solid solution strengthening model that has been widely used in the literature use a linear form consisting of strength coefficient, and concentration of elements in wt.%....
11 July 2024 4,476 3 View