Can grain structure be revealed using SEM?

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Is there a process for changing crystalline silicon nanostructures or nanoparticles to amorpous silicon which is going to be used in Li ion batteries?

Amorphous silicon has lower volumetric change than crystalline silicon during first cycles of charge and discharge. How can we prepare amorpous silicon from nanostructured crystalline silicon? Is...

10 November 2019 2,401 4 View

How to clean copper surface before coating process?

What are suitable reagents for removing oxide layer and grease or organic impurities from copper surface before the coating process?

07 August 2019 2,913 4 View

How to leach Fe impurities out of Silicon Suspension?

High energy ball milling used to prepare silicon micro and nano particles. I used magnetic separation to remove iron. But there is a small amount of iron left in the suspension. How can I remove...

06 July 2019 4,269 2 View

How to calculate density of a coating layer?

It's a coating with few micrometers in thickness. There are equations for thickness prediction. But for using them, I need to know the coating density. I'm using spray coating method. The...

06 July 2019 6,846 4 View

What are suitable reagents for color eching of AISI 304 stainless steel?

Any reagent for revealing microstructure, electroetching, chemical etchin, or other methods. I need the colorful microstructure image. I only need the artistic aspect of images!

06 July 2019 6,161 3 View

What are flow lines?

Does anyone knows a reference book that describes this phenomena? Are flow lines and shear bands the same or they're different from each other? why flow lines appear in micro structure? (Attached...

01 February 2018 3,036 0 View

Why second phase particles cluster during cold work?

In the attached picture, rolling direction is from bottom to the top(vertical).

01 February 2018 1,905 0 View

What is the main reason for edge cracking of aluminum alloys during cold rolling?

sheet edge geometry change, workability limitation or something else?? Does anyone have studied about that?

09 October 2017 4,589 3 View

Can Quench and Partitioning heat treatmnet(Q/P) improve the impact energy of AISI 4140 steel?

08 September 2017 3,443 0 View

Does anyone know the best temperature for quench and best temperature for partitioning in Quench and Partitioning heat treatment of AISI 4140 steel?

I need to achieve maximum impact energy and hardness at the same time.Any experiment or reliable article??

08 September 2017 9,764 2 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 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

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 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