Materials Engineering

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Questions related to Materials Engineering

Can we identify the minerals of red soil using these XRD data????

I need to identify the minerals in red soil because I want to separate the irons from that. so that purpose I want to know the other minerals contain in the red soil. then only I can remove the...

29 September 2020 1,190 9 View

Any suggestions for pneumatic based media supply systems for microfluidic applications?

Normally, people are using Peristaltic pumps to provide media to Microfluidic chips (Organ on a chip platform). I am looking for pneumatic based media supply systems. anyone having relevant...

21 September 2020 1,539 3 View

Stress relief annealing temperature for austenitic stainless steel 304L?

Hi, I have some TIG welded stainless steel 304L samples that I'm looking for erasing residual stress with. The goal is to remove both compressive and tensile residual stress while keeping the...

10 September 2020 5,036 14 View

How can I determine specifications of Temperature and Pressure Graphene-based Sensors ?

I would like to design temperature and pressure Graphene-based sensors using the laser scribing method (LIG). How can I adjust the laser machine (carbon dioxide laser machine) so that sensors will...

01 September 2020 9,940 4 View

Whether coal power can be included in the clean energy?

With the continuous development of coal power technology, its power generation technology and pollutant treatment technology are constantly improved.At present, coal power is still classified as...

01 August 2020 8,191 5 View

Two very basic questions about possible hypothetical situations in a running Blast Furnace ??

1. Suppose a large BF is being fed with Dry Quenched Coke. Suddenly , a breakdown occurs either in the Cove Oven Battery, or in Coke Dry Cooling Plant or in the transport route. The coke feed to...

30 July 2020 4,718 8 View

What is the reason of getting high silicon low temperature hot metal in blast furnace??

Fuel rate: 610kg/thm {coke - 510kg/thm, nut coke - 35kg/thm, PCI - 65kg/thm} Coke CSR : 67% GUTKO : 30min Production : 1500ton/ day

30 July 2020 4,393 4 View

Origin and why of manganese deposition as carbonates and silicates in epithermal low sulfidation systems?

I'm investigating the primary dispersion of elements of the epithermal fluid and it is linked a part to the deposition of certain manganese minerals.

26 July 2020 2,298 5 View

What might be possible sources of Fe contamination when measuring Fe in leaf tissue samples by ICP-MS?

For some reason we are getting a high variation in Fe %. Some samples replicates have 20% Fe whereas others have 1%. We're trying to determine what contamination sources may be contributing to...

19 June 2020 1,160 0 View

What is the difference between unstable crack growth and ("stable") rapid crack propagation (RCP)?

I have read in some articles about unstable crack growth which is sometimes referred to as RCP, however it seems that there is a clear difference between unstable crack growth and RCP. According...

27 April 2020 760 3 View

What type of generation provides balancing services and spinning reserves in large interconnected power systems? Any references discussing it?

In large interconnected power systems, what type of generation (e.g., diesel, gas, coal, hydroelectric) provides load-frequency control, power balancing and spinning reserves? What are the...

23 April 2020 9,141 0 View

Looking for geologists or experts in phytoliths (silica SiO2 containing plant cells)?

Some of you are aware of my ongoing research on Ancient geopolymer stone monuments. We published several articles (see the Research Project: Geopolymer Science applied to archaelogy) on our recent...

20 April 2020 1,523 0 View

Type of bond between atoms in bcc metalic structure?

I am wondering about which kind of bond between atoms in bcc structure cell of metal. Is it metallic bond, ionic, covalent, van der waalls or other? I am not chemist. What ever the bond, is there...

04 April 2020 453 0 View

How to insert Magnetic B-H Curves in Ansys Mechanical?

Hello, I'm performing a coupled structural- Electromagnetic analysis. For the initial setup of my model I used General Material 'gray cast iron' for my Iron core of the electromagnets. But for...

26 March 2020 8,227 3 View

How to get cel opening in a frothed PU foam?

I am making frothed PU foams (compressed air is mixed in). The foam only rises 1 to 3 mm during heating and the bubble struts of the foam tend to be strong, so they are difficult to open up. Does...

14 March 2020 2,379 4 View

How do I understand Burger's vector?

After cutting the plane I do not understand which plane of atoms corresponds to which one.If both the upper part and the bottom part are contained in the same straight line and we cut the partial...

04 March 2020 8,523 3 View

Temperature vs. Thermal and Electrical Conductivity ?

Dear all : May anyone share with me a Graph showing the curves for Temperature vs Thermal Conductivity, and Temperature vs. Electrical Conductivity/Seebeck Coefficient (in the same Graph) for...

26 February 2020 1,858 6 View

How do I stop/prevent the backflow of growth of Klebsiella pneumoniae throughout a microfluidic flow cell system when growing biofilms?

I am cultivating K.pneumoniae biofilms in a microfluidic flow cell system, in three-channel flow cells for 24 and 48 hours under constant flow using a peristaltic pump. However, the organism is...

25 February 2020 6,436 1 View

On what factors does coke moisture in a coke plant depend on, considering wet quenching is being practiced ?

The lesser the moisture in coke, the lesser the Coke rate in Blast furnaces and hence lesser fuel cost. In order to decrease the coke moisture, various parameters need to be controlled. A few Coke...

02 January 2020 5,884 1 View

Someone knows information on Summer Student Programme in CERN?

someone knows information on Summer Student Programme in CERN? for example your Experience , condition there, Is it desirable or not, Do you think I 'll sign up or not and Any other...

12 December 2019 7,755 2 View

Someone knows information on Summer Student Programme in CERN?

someone knows information on Summer Student Programme in CERN? for example your Experience , condition there, Is it desirable or not, Do you think I 'll sign up or not and Any other...

10 December 2019 3,504 2 View

Can selective oxidation of H2 and CO over FeO be done inside pre-reduction chamber for iron ore smelting reduction?

Endothermic reaction nature in presmelting stage requires thermal input in pre-reduction. If oxygen introduction for combustion heat generation is allowed, reduced iron ores will oxidized again....

16 November 2019 9,253 2 View

How to solve early solidification which causes hanging web in electrospinning?

I want to make electrospinning scaffold with PLA/PCL/PMMA/Collagen with these methods: 1. I use chloroform:methanol 3:1 to dissolve PLA (mW 80.000, 2 wt%), PCL (mW 70.000, 3 wt%), and PMMA mW...

11 November 2019 4,198 3 View

How to solve early solidification which causes hanging web in electrospinning?

I want to make electrospinning scaffold with PLA/PCL/PMMA/Collagen with these methods: 1. I use chloroform:methanol 3:1 to dissolve PLA (mW 80.000, 2 wt%), PCL (mW 70.000, 3 wt%), and PMMA mW...

02 November 2019 6,207 5 View

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