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 7,423 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 9,378 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 9,797 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 1,507 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 2,289 7 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 1,944 3 View

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

04 May 2016 5,261 1 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 3,146 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 7,173 6 View

How can i evaluate changes of twin boundary in this pic?

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 7,898 3 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Which is the most efficient etching solution for nickel based alloys?

Which solution reveals the microstructure and features of nickel-based alloys?

02 March 2021 2,221 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

How to determine solutionizing time for cast Al alloys?

For wrought alloys soaking time at solutionizing temperature is determined by thickness .Do we have such standards for cast Al alloys

23 February 2021 8,839 3 View

I am looking for a simple software program to model 3D chemical bonds. The purpose is to generate high-quality graphical abstracts. Any suggestion?

Hello everyone: I am looking for a simple software program to model chemical bonds. The purpose is to generate a high-quality graphical abstract for a top leading journal in the field of...

23 February 2021 8,012 3 View

Which thermal conductivity test recommended for Ag-Cu nanofluid?

I have prepared Ag-Cu alloy with polymer coating upon it.... how can I measure thermal conductivity of it ?

22 February 2021 5,915 3 View