How much change in hot and cold formability will be there if alloys with poor fomabilty is forged or rolled under vacuum?

Some of alloy steels and superalloys have very small forging window and one faces problem of cracking during hot forging and rolling and are preferentially isothermally forged.It could be...

27 January 2020 2,548 2 View

How we can determine critical temperatures like ac1,ac3,Ms Mf and liquidus temperature of a steel alloy by thermo mechanical simulator?

In my experimental alloy I want to calculate the actual critical temperatures of alloy steel like ac1.ac3.Bs. Bf, Ms,Mf,liquidus and solidus temperature by TMS GLEEBLE 3800.This will help me in...

15 May 2018 6,312 7 View

If warm bending of high hardness armor sheets are bended ,can some body tell how much time plates should be heated before warm bending?

Required for my project

17 January 2018 2,331 2 View

Titanium or Tantalum?

19 August 2014 170 7 View

Can we use S/N analysis for Full-factorial experiments?

We are planning to conduct full factorial experiments. I found in most of the literature that the analysis associated with Full Factorial experiments is ANOVA based on coefficients. I wan to know...

30 July 2014 7,835 4 View

Do we have to follow the sequence of experiments while performing experimentation in Taguchi methodology?

Can we perform all those experiments which are at one level and then move to the other? For example: There are three levels of cutting speed - 1000m/min; 2000m/min and 3000m/min; 1000m/min setting...

20 March 2014 4,991 3 View

How to simulate mobile agents using castalia?

Dear Researcher, I read your paper bench mark itinerary algorithm, the survey is done excellently, could you please guide me as how to use castalia for simulating mobile agents.

01 January 1970 8,905 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 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

What are the countries most affected by extreme rainfall as a result of climate change?

Increased heat, drought and insect outbreaks, all associated to climate change, have increased wildfires. Decreasing water supplies, declined agricultural yields, health impacts in cities owing to...

01 March 2021 7,168 9 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

What is recommended for solid domain in ANSYS FLUENT?

Should I mesh the solid domain ? or should I use wall thickness? or Shell conduction? for Heat Transfer between two fluids of a Heat Exchanger. what is recommended?

01 March 2021 9,785 3 View

Heat exchanger with liquid Nitrogen as coolant?

I want to cool Natural Gas from 195 Kelvin to 138 Klevin in a heat exchanger by using liquid nitrogen as the coolant medium. When entering the heat exchanger, the liquid nitrogen will have a...

01 March 2021 6,450 5 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View