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Questions related to Materials Engineering
if i used polymer or composite as coating for metal or alloy when i calculate the corrosion current by tafel extrapolation we need density and equivalent weight for calculation in this case...
05 May 2017 7,637 5 View
I am looking for some suppliers (in Australia/All over the world) who deals with metal powder for additive manufacturing. Specifically, 4140 or 4130 (Chromium-Molybdenum steel alloy spherical...
05 May 2017 2,262 4 View
Basically i am doing trivalent chromium coating on carbon steel with palladium as second layer, so i need to ask if there is any solution to remove chromium oxides from chromium coated layer to...
05 May 2017 8,300 6 View
I am investigating corrosion protection of steel structures in agresssive environments by means of different organic coatings. I have seen different corrosion development for the steel panels of...
05 May 2017 9,945 9 View
i am doing MD simulation, in my case i doing simulation at 300 kel, 500 kel using NPT ensemble. But if i increase temperature in the ensemble, i should also increase the pressure also (i guess) if...
05 May 2017 4,882 9 View
My synthesis was of Shell and Core arrangement. Shell is CaCO3 and Core is Heptadecane. Temperature range was from 0 to to 50°C at rate of 5°C/min. For pure Heptadecae the peaks were obtained 12°C...
05 May 2017 6,027 5 View
When a dislocation faces precipitations, two probabilities might take place: 1)dislocation cut through precipitation particles or, 2)dislocation leave a loop around precipitation particles. We...
05 May 2017 3,707 10 View
By varying pressure from 0 to 25 MPa, is it possible to keep the flow rate same ?
05 May 2017 9,696 3 View
How submerged arc welding affects the electrical as well as thermal behavior of ceramic powders like Sio2, TiO2, Al2O3, CaF2 etc. which are used as welding fluxes. Please provide suitable literature.
05 May 2017 9,418 2 View
When a tablet made of organic acids is dissolved, it gives an acidic solution (pH 2). This solution causes galvanic reaction between ceramic magnet and spring. How to prevent/reduce this corrosion...
05 May 2017 4,812 8 View
I want to see grain boundary in annealing and (cold work +annealing) conditions. I used (5 ml HBF4, 48% +200 ml H2O); electrolytic etching (20 V, DC) & Polarization condition, but no result...
05 May 2017 194 8 View
I actually want to weld AISI304 and AA6061 by fsw so want the details of phase diagram of al-fe for the intermetallic compounds obtained at the joint.
05 May 2017 8,328 9 View
The rotation axis and rotation angle calculated by the orientation matrix for the {10-12} twinning is the normal of {10-12} and 180 degrees, respectively, which is correct for type...
05 May 2017 7,630 6 View
I want to model the two phase model of concrete which have the hardcore granular material covered with cement paste. I'm using PFC2D software(DEM) and FISH coding to model. My question is how to...
05 May 2017 7,809 0 View
Physical behavior of Lath Martensite with heterogeneous local chemistry and microstructure resulting from non-homogeneous Austenite during very short holding time and rapid quenching.
05 May 2017 7,170 2 View
does the no of graded layers have any effect on the resultant FGM or is it the width or thickness of each layer more important if i want to design an FGM of 10mm with strength bearing ability...
05 May 2017 5,430 3 View
What’s the fatigue propagation mechanism of ductile and brittle steel ,from the view of physical metallurgy? Thank you very much.
05 May 2017 7,270 2 View
Interested in doing fatigue analysis for composite materials ?
05 May 2017 3,994 8 View
In order to examine the micro-structure in cross-section of the Inconel alloy on Cast iron, I'm not able to find a suitable etchant which could give good image. There are various etchants for both...
05 May 2017 8,040 13 View
I am trying to make cylindrical die for cold compaction of SS-316L powder at 200 MPa but i am confused with material of die.
05 May 2017 5,349 7 View
for related researchers, it is important to learn the relationship between contact angle and spreading rates.
05 May 2017 9,230 1 View
Hi, I used a cypher AFM with SKPFM (SKPM) technique to measure the surface volta-potential distribution for Mg alloys. But for a bare surface which has just recently been polished, I can not find...
05 May 2017 8,231 6 View
Whether these alloys are same or different. Please share relevant document.
05 May 2017 2,282 1 View
Hello I am facing problem in preparing ferrite-wax composites as the quantity of powder is very less (< 300 mg). If I melt the wax and mix ferrite using magnetic stirrer then ferrite stuck with...
05 May 2017 7,741 6 View