What is the relevance of an excess function in a liquid mixture?

The thermodynamic relevance?

01 February 2015 8,934 7 View

How can we calculate work done in irreversible adiabatic expansion ?

01 February 2015 7,376 1 View

Why is heat capacity at constant pressure not infinite for second order transition ?

31 December 2014 3,319 3 View

Is there any material whose colour changes with time ?

is there any material whose colour changes with time.

31 December 2014 9,549 1 View

Why is there no face centered tetragonal lattice in Bravais lattices?

please explain.

31 December 2014 8,643 4 View

Why is there a cracking behavior in noble gas ?

Since at elevated temperatures slip planes also get activated and it becomes ductile why is it that it shows cracking behavior? Is it something to do with thermodynamic concept as well

31 December 2014 5,776 2 View

Is it just the interaction of particles with Higgs field that gives it the mass ??

11 December 2014 3,796 1 View

No title

In regard to schmid factor the two different angles are complementary to each other?

11 December 2014 5,189 7 View

How can I estimate the monolayer adsorption time of a residual gas?

tm ( sec) ~ 10-6 / P (0.2)where P is the pressure in mbar. what is the physical interpretation of this?

10 November 2014 1,504 1 View

Under what conditions work can be a state function.and if yes does this thing applies to other non state functions like (heat) as well? plz lucidate

Under what conditions work can be a state function.and if yes does this thing applies to other non state functions like (heat).?

10 November 2014 543 2 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 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

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

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 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

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

Concrete compressive strength databases?

I am looking for datasets similar to this one: http://archive.ics.uci.edu/ml/datasets/Concrete+Compressive+Strength I am looking for concretes with different types of aggregates (Recycled,...

27 February 2021 6,801 3 View

Why is my platinum counter electrode getting dirty during electrodeposition?

I am conducting anodic electrodeposition of MnO2 onto a stainless steel substrate, using a platinum strip as a counter electrode. This is done galvanostatically, with the current held between 5...

27 February 2021 1,829 3 View