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Questions related to Metallurgy
I am looking for the recommendations on how to prevent Fe pick-up in the melting process of Magnesium alloy. The molten metal is held in the mild steel crucible which should maintain temperature...
05 June 2017 1,786 4 View
Generally, BCC metals show a Ductile-Brittle Transition phenomenon as decreasing temperature. A main cause is that the temperature dependency of yield strength is large, thus the yield strength...
05 June 2017 7,973 2 View
We want to do a metallographic analysis on CrCo alloys.
05 June 2017 5,723 3 View
The history of precipitation hardening of aluminium alloys goes back to 1906 when A. Wilm discovered that a rapidly cooled (quenched from a high temperature ~ 550°C into cold water) Al - Cu - Mg...
04 June 2017 6,425 2 View
Hi friends Generally weight gain in oxidation process but my alloys showing weight loss in oxidation process after 50 hr holding at 500oC.
01 June 2017 3,171 1 View
high hardenability and high Carbon percentage are not desirable for successful welding why?
22 May 2017 2,923 2 View
I'm trying to weld aluminium and steel with short impulses (2, 3, 4 and 5) of high current (25, 30, 35, 40 kA), but no success at the moment. Does anybody has found any good results?
04 May 2017 6,214 2 View
i want to know the oxide content and the type of oxides like Al2O3, MgO that could be present in the alloy
10 April 2017 4,866 1 View
C(z)=Cs-JsZc/D (1-e-z/zc), I want to fit this model to my soil carbon concentrations among different soil depths and obtain Cs, Js/D and Zc parameters. This model first introduced by Wynn et al.,...
07 April 2017 3,079 3 View
at 0.8% c above 723*C we have steel transforming from ferrite and cementite to austenite. But how do they obtain austenitic steel at room temperature
03 April 2017 7,519 3 View
How alloying elements like Si, Mn change Liquiduds and Peritectic temperature, ml, K0, concentrations...
31 March 2017 10,065 4 View
Hello, I am confused by Schmid Factor analysis during tension and compression. Is there any difference between compression and tension for Schmid Factor? I am testing compression response of...
26 January 2017 3,447 2 View
Metallic Foams; Blowing Agents
13 January 2017 4,574 3 View
I want to make a misorientation distribution map and caculate the fraction of HLGB. Three types of misorientation data can be exported from the channel 5.0 software: corrected, uncorrected and the...
10 January 2017 4,767 2 View
Since the cooling is very slow, we get coarse grained weak weld region. isnt? The plates that are joined are huge structures. So are they subjected to any kind of local heat treatment (Induction...
26 October 2016 4,079 3 View
My project work is based on "Structure property correlation of forged alloy steels".The sample in which I have performed hot compression test is F55(super duplex steels).I am not able to find out...
26 October 2016 4,885 17 View
I have a HR-TEM image of pure Aluminum which wass ball milled for prolonged hours. HR TEM images indicate that there are significant amount of amorphous region coexisted with crystalline Aluminum....
21 October 2016 3,574 3 View
any idea why the rate of grain boundary area in torsion increase slowly while in compression the changes are very intense?
21 October 2016 2,234 1 View
As we know there are various heat treatment methods (T4, T6, T7, T3 and T8) for modifying the properties of the aluminium alloys (grain modifier, varying solutionizing temperature, artificial...
19 October 2016 246 8 View
should the steel/alloy be flat or round in shape, flat plate or pipe-like and also what thickness, length and width should i use.
11 October 2016 541 8 View
Incoloy A-286 is an austenitic precipitation hardening stainless steel. this alloy is very susceptible to hot cracking in the fusion zone and HAZ. i will appreciate the comments on the how to...
10 October 2016 4,815 1 View
10 October 2016 3,757 2 View
Aluminum wedge bonding
10 October 2016 4,313 0 View
What’s the Griffith crack length in high-carbon martensite or plate martensite?In quench martensite ,there is no carbide which need tempering to produce carbide precipitation, then what’s the...
10 October 2016 6,824 2 View