What is surfactant? how we can select for particular materials?

01 February 2016 7,547 3 View

How can I produce pure iron powder by electrolysis with minimum size?

pure iron powder by electrolysis

31 December 2015 972 1 View

What is mean by "Self Repair of Active Metals" ?

Self Repair of Active Metals

02 March 2015 5,960 0 View

What is name of following steel ?

C=0.23%, Mn=0.66% Ni=2.9% Cr=1.29% Mo=0.24%?

11 December 2014 1,686 0 View

How to incerse the wear risitance of polymer?

polymer wear

10 November 2014 4,126 0 View

Does polycrystalline material posses the crystal structure like FCC, BCC, HCP?

06 July 2014 1,055 3 View

What is the relationship between electrical conductivity and the density of polymer composite materials?

If the density of a polymer composite increases, what is the effect on the electrical conductivity of the material?

01 February 2013 5,485 3 View

What is the percolation threshold in case of polymer matrix composite and what is its significance?

Practical application of percolation threshold.

08 September 2012 1,008 16 View

Is there possiblity to develop such material whose coefficient of transmissivity is near about 1 and it can sustain temp. More than 750 k ?

Material should be like glass

07 August 2012 2,694 2 View

What is the effect of modulus of elasticity of Ni & Cr on steel hardness and how is its hardness different as modulus of elasticity changes?

What is the effect of modulus of elasticity of Ni & Cr on steel hardness and how is its hardness different as modulus of elasticity changes?

07 August 2012 7,793 1 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

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

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

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

What kind of steel moulds are used for hot pressing metal powders?

My main concern is that the metal powders should not weld to the mold surface and I should easily be able to eject out the pressed samples. I am looking for alternative for graphite moulds. The...

22 February 2021 2,965 4 View

What are effects of steel jacketing on flexural strength?

Dear all, If steel jacketing is used to retrofit a reinforced-concrete (RC) column, can we use it to improve flexural strength? I understand that we leave gaps between the ends of the jacket and...

22 February 2021 1,906 5 View

How to model steel jackets using SeismoStruct?

Hi all, Does SeismoStruct support modeling rectangular RC columns retrofitted with steel jackets (e.g. rectangular, elliptical) ? Any suggestions for other software (apart from...

20 February 2021 4,521 1 View

How to get better phase shift in C-V curves for ferroelectric devices?

I tried to sweep my ferroelectric devices from -2V to 2V and then from 2V to -2V and The two hysteresis peaks are off by several microFarads. Should i increase bias voltage? I am doing these...

16 February 2021 8,514 2 View