Material Characterization

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Questions related to Material Characterization

Evidence of stacking fault and Dislocation?

Dear Experts, I am trying to get information about stacking fault and dislocation based on TEM image. In the attached figure, I process the image using FFT implemented in digital micrograph DM....

02 February 2018 561 7 View

What are the consequesnces could possible on electrical transport in 2D TMDC layer, Especially the case where Monolayer attached with bulk portion ?

Greetings, TMDC mono layer has been connected with one of the electrode and the bulk part which is attached with mono layer was connected with the counter electrode. What could be...

02 February 2018 1,127 1 View

Can get negative reflection for thin film sample using uv vis spectroscopy?

Is it correct to get negative reflection while using R=1-(A+T)is it correct if so kindly explain?

03 January 2018 9,050 5 View

Mechanical Testing Raw Data for Video Example?

Fellow researchers, I want few raw data files (preferably excel) of mechanical tests of metal, which i can use for a video example. Preferred tests are tensile according to ASTM or BS, Vickers...

01 January 2018 8,901 1 View

How to calculate reflectance using absorption or transmittance spectra?

How to plot reflectance graph from absorption/transmittance graph taken from UV-Vis spectrophotometer for thin film?

30 December 2017 5,831 6 View

How much is the Iron content (general range) of EAF steel slags, and by crushing and magnetic separation, what combinations of Fe can be separated?

As we know, the chemical composition of EAF steel slag is dependent on charged materials such as Iron scrap, Sponge Iron and other additives. Moreover, the Fe element is participated in different...

30 December 2017 5,872 6 View

Inertia effect and strain rate effect in crashworthiness?

dear researchers, i have performed crashworthiness performance analysis of aluminium AA6061-0 alloy tubes subjeceted to static and impact loading. im getting difference of 30% when static and...

12 December 2017 6,295 4 View

Suggestions on Electrically neutral / Quasi-neutral fluorescent/Tracer particles ?

Hi everyone, I need suggestions on fluorescent dye/tracer microparticle that is electrically neutral, would never acquire charges and follows passively fluidflow dynamics.

12 December 2017 3,109 0 View

Can anyone explain this sentence about tunneling transport process?

it is not true that in-plane momentum needs to be conserved. As there is a scattering region, the momentum along the direction of transport is no longer a good quantum number. what mean's "a...

04 December 2017 6,443 2 View

Characterization of slurry/suspension?

I have a iron sulfide phase to characterize which cannot be dried and is also affected by exposure to oxygen. I need to get at least the following information. a.surface morphology, elemental...

11 November 2017 2,318 4 View

What are the preliminary ways to check if a (thin film) diode is working?

I tried fabricating a thin film diode, from solution process.I understand that the IV characteristics confirms the diode behaviour, but is there any other (preliminary) way to check if the diode...

11 November 2017 3,272 0 View

Any data in the literature on the effect of the specimen's thickness on fracture load or fracture toughness of brittle materials?

Hi everyone, I want some data on the effect of the specimen's thickness on fracture load or fracture toughness of brittle or quasi brittle materials. I would be thankful if you attach any related...

28 September 2017 4,655 6 View

Convective heat transfer coefficient (hc) for building simulation ?

Does anybody know of a source for internal and external values for hc that could be used for building modelling? hc woun’t be a static figure as it is a time-variant function of ΔT, velocity of...

09 September 2017 1,511 3 View

Automation in Z-scan technique ?

In Z-scan technique, we often use motor (digital mcrometer transformer) to move sample. I think that motor is ued to automate measurement. If there is no motor, for example, we can move sample...

03 September 2017 2,564 13 View

Is the nonlinear refraction one of mechanism that causes the optical limiting effect?

Dear colleagues, As far as I know, reverse saturation absorption is one of the mechanisms of optical limiting effect. Because when the light intensity is strong, the absorption coefficient...

20 August 2017 2,103 11 View

How to calculate the grain boundary plane orientation?

Given the orientation matrix, for example: 0.284, 0.921, -0.265, -0.720, 0.388, 0.575, 0.633, 0.027, 0.773, and the angles of grain boundary in the XY plane (α= 166o) and in the XZ plane (β =...

27 July 2017 9,497 4 View

Is the 'Combined Flakiness and Elongation Index' of aggregate is the numerical sum of separate elongation index and flakiness index?

It is mentioned in the test procedure (BIS/MoRTH) that while doing combined flakiness and elongation test, the flaky aggregates should be separated initially from the test sample, and the rest is...

27 July 2017 6,579 3 View

How NaNO2 reacts in acidic conditions such as HCl?

I want to know the machanism

23 July 2017 6,639 2 View

Experimental errors in Z-scan measurement

Dear colleagues, I have read many papers on Z-Scan measurements of material, I see that the error is in the range of 25 to 40%. Some authors claim that the error is up to 50%. And the...

07 July 2017 3,142 26 View

Nonlinear thermal optical effects in in organic

Dear colleagues, Recently, we have seen many studies on third order nonlinear optical effects and optical limitting in organic with CW laser. Some researchers wonder whether these effects are...

07 July 2017 5,131 13 View

What are the difference(s) in Inconel 718 conforming to two different specifications? One is for aerospace and another for oil and gas industries.

AMS 5596K and AMS 5663. What is the equivalent of ISO 15156 for aerospace application?

07 July 2017 4,916 4 View

How to calculate the grain boundary plane orientation?

Given the orientation matrix, for example: 0.284, 0.921, -0.265, -0.720, 0.388, 0.575, 0.633, 0.027, 0.773, and the angles of grain boundary in the XY plane (α= 166o) and in the XZ plane (β =...

07 July 2017 8,281 5 View

What are the difference(s) in Inconel 718 conforming to two different specifications? One is for aerospace and another for oil and gas industries.

AMS 5596K and AMS 5663. What is the equivalent of ISO 15156 for aerospace application?

05 July 2017 5,636 3 View

Su-8 spin coating onto COC wafer

hello, I have some gold electrodes onto my COC (topas) substrate and I want to isolate them and just let the surface of the electrodes free (no the connections): We tried SU-8 as passivative...

27 June 2017 1,805 3 View

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