The science, art, or technology dealing with processes involved in the separation of metals from their ores, the technique of making or... | Contact experts in Metallurgy to get answers
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Questions related to Metallurgy
Stacking Faults and its association with partial dislocations seem to bother me day in and day out.With regard to this I do not understand how Partial dislocations lead to stacking faults and not...
16 July 2019 352 1 View
How do we arrive at this expression? That meu A will be equal in all phases then meu B will be equal in all phases and so on?
13 July 2019 340 3 View
In the given question is it not that the terms containing partial differential of pressure and temperature have switched the associations? Like dp should be in place of dT and dt should be in...
13 July 2019 3,489 4 View
there is an extractive metallurgy reactor and its core is in 1000°C. there is some heat supplying flames around the core and i want to apply refractory materials around them for the purpose of...
20 June 2019 2,468 3 View
Please check problem 5-11.Here they have calculated the dislocation density as 1/l^2.I know that there is an alternative way to calculate the number of dislocations by considering a test area and...
04 June 2019 5,258 3 View
Dear, I'm trying to see if there is a rough (even very rough) statistical link with stainless steels chemical composition + microstructure + ... and the pitting potential. It would be...
27 May 2019 7,167 4 View
Dear All, Currently my friends and I are in the middle of a University metallurgy assignment regarding the manufacturing of a fibrous composite component, where one of the tasks given is to...
03 April 2019 3,805 4 View
Mg-Zn-Al alloy design and development via the liquid metallurgy route.
27 March 2019 5,262 6 View
Need to advise students on novel and cost effective research topics and areas.
27 March 2019 3,773 11 View
I am doing some roasting work using hydrogen gas. There is a possibility that off gas will contain some hydrogen gas as well. I need some suggestions on disposal of Hydrogen gas. Also, Is it safe...
19 March 2019 8,038 1 View
I am working on a project that requires the need to join Al grade 3003 honeycomb structure with Al 1050. Structure thickness of 3003 is 0.2 mm which is vertically in contact with surface of 1050...
21 December 2018 9,662 3 View
I want do some research in 3D printing in the field of metallurgy
30 June 2018 9,855 2 View
I want to research the effect of large compressive residual stress (> 1 GPa ) in a mechanical properties of thick plates made from various metals and alloys . I know that there is a...
04 March 2018 6,704 25 View
Why iron bearing materials should be pelltized or briquetted before they are introduced to the blast furnace? - Why they cannot be added in a powder form, what is the effect of briquette size on...
28 February 2018 7,910 5 View
The attached figure is taken from 'Dislocations and their role in strengthening' by James CM Li in 'The Strengthening of Metals' (ed.) Donald Peckner. It shows an edge dislocation moving on...
17 January 2018 2,784 8 View
what is the disadvantages of ladle or furnace lining demolition by robots or something else?
12 November 2017 2,526 3 View
I am calculating ratio of FeO: Fe2O3 in Basic Oxygen Steelmaking slag CaO-SiO2-FeO-Fe2O3-MgO-Al2O3 based on the reaction 2FeO + 1/2O2 = Fe2O3, and equilibrium constant of this reaction. I got the...
27 July 2017 385 5 View
I have prepared an etching solution of 60% HCl and 40% HNO3 according to ASM Handbook of metallography. after only 5 seconds of etching, heavy pitting occurs on the samples. the concentrations of...
27 July 2017 2,161 7 View
I need to know which materials required for the development of advanced materials should be abundantly available in the country with minimum important dependence. I need to replace aluminium alloy...
20 July 2017 967 5 View
Do you know if there are standards concerning the maximum limits for content of non metallic inclusions, particularily in austenitic stainless steel? Or it is enough for steel suppliers to make...
03 July 2017 352 3 View
Back up rolls of hot strip mill need to be changed.After rolling of how much tons of steel they should be changed?
24 June 2017 865 1 View
I am working on an experimental project in-which I use an induction furnace to melt duplex stainless steel and Nitrogen-containing ferrochromium to increase the Nitrogen in my material. 1-How I...
24 June 2017 7,952 3 View
I know that the CSL boundaries in fcc and bcc structure are different. For example, Sigma 3 in fcc is 60degree, but that in bcc is 70.5. However, I've seen analyses of the...
07 June 2017 8,033 3 View
Hi, It would be really good if someone could share their expertise of etching (etchant & method) to reveal the microstructure of austenitic grain boundaries of Medium Mn steels (0.3% C,...
05 June 2017 3,557 6 View