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Questions related to Materials Engineering
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...
23 May 2017 8,995 12 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...
23 May 2017 3,367 5 View
I want to break the tensile test, however it does not break during simulation, rather than, it stretches and compresses only, how can i make it break after necking?
21 May 2017 9,716 5 View
Please tell me any one what is the meaning of G99 in ASTM G99 pin on disc wear test standard ?
21 May 2017 2,837 3 View
For now, i am dealing with specimen Mg alloy AZ31...immersed it in 3.5% NaCl...for time being, the corrosion rate of polished condition faster than the grinding condition..how does it comes?...
21 May 2017 4,495 6 View
Characterization techniques required
19 May 2017 931 8 View
Hello I've to use anhydrous NH3 for a reaction which generates water in-situ. The temperature is between 800-900 deg C at ATM pressure. Is SS316 material is suitable under these conditions? I am...
18 May 2017 5,736 3 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.
18 May 2017 4,300 8 View
Hello, we are doing some corrosion testing of titanium based alloys which have been welded and heat treated. I would like to prepare a sample for corrosion rate measurements via Tafel Scans in...
17 May 2017 5,207 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...
17 May 2017 2,451 3 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...
16 May 2017 2,858 4 View
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...
16 May 2017 6,517 3 View
DSS 2205 WEAR RESISTANCE CORROSION BEHAVIOR
14 May 2017 9,717 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...
13 May 2017 9,455 9 View
By varying pressure from 0 to 25 MPa, is it possible to keep the flow rate same ?
12 May 2017 9,457 3 View
If short fibers are added in a polymer matrix, after mixing during extrusion, these short fibers are aligned automatically along the direction of extrusion. What changes in the extrusion process...
10 May 2017 2,342 1 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...
10 May 2017 633 7 View
I am constructing the Thermal evaporation system. I want to know the melting point and evaporation temperature of tungsten boat during the deposition. How can i do?
10 May 2017 9,512 2 View
Currently, I'm doing research on wearable sensor to monitor physiological parameters for the user. It used epoxidized natural rubber (ENR 50) incorporated graphene paste and expected to improved...
09 May 2017 6,717 4 View
I need to clean the tantalum samples of already did SBF test. Which chemicals or procedures are required for perfect cleaning.
05 May 2017 9,483 4 View
hello after hot rolling with 2 different reduction of thickness (60% and 85%) on haynes 188 (Carbide strengthened and solid solution Cobalt base alloy) we observed sample with 85% reduction of...
05 May 2017 1,586 6 View
let’s think that there are two fcc metals. Both metals are deformed by only dislocation slip, but strength/hardness is different each other such as Al or Cu. Is there common parameter explanining...
05 May 2017 5,538 5 View
Can we use induction heating method for finding the melting temp. of ceramic powders? or suggest to use any other method for finding melting temp. of ceramic powders.
05 May 2017 5,965 4 View
Please provide me the literature for thermal and electrical conductivity of submerged arc welding fluxes or effect of welding fluxes on thermal or electrical conductivity..
05 May 2017 1,354 1 View