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Materials & Chemical Engineering

- Properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion
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Jan16-12 Greg Bernhardt
Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:01 PM
chemisttree
0 30,179
any refs or anything at all on the history of superparamagnetism. was it theorized? ect
Jul2-13 12:49 AM
Simon Bridge
1 1,565
Hello, I am looking for opinions on the commercial feasibility of extracting aluminum from aluminous clays. The...
Dec12-12 09:11 AM
A_Charbonneau
3 3,211
I dont understand what the lever rule is on a Txy or Pxy diagram I know that when you are given a mole compostition...
Nov4-12 03:50 AM
Sinistar9
1 2,088
The asbestos sheets sometimes used for roofing, to avoid sunlight in front of stores etc, are always corrugated. Can...
Nov20-12 10:57 AM
enosis_
9 1,892
Hi, can someone please clarify me what does the standard "API Q125" in material designation mean? Does it stand...
Dec3-12 02:22 PM
SteamKing
4 3,313
Hello everybody, For a group project, we are supposed to propose several designes for a plank bridge over a river....
Nov2-12 01:22 PM
Engineer_Phil
4 1,987
I am trying to apply the law of mixtures to a clay-steel magnetic composite. To determine the optimal ratio per unit...
Nov6-12 05:57 PM
Enthalpy
4 2,254
How do I write an expression that describes how the pressure and temperature in an insulated tank changes with time...
Nov1-12 08:14 PM
Chestermiller
7 1,886
Hello all, We have a manganese phosphating process for gun parts and I am having trouble with some parts coming out...
Nov14-12 05:28 PM
turbos4audi
3 2,181
Hi, This is my first post here, but I have searched this forum many times for insight. See the attached image....
Nov3-12 12:17 PM
Engineer_Phil
2 1,728
My apologies, I don't own a scanner or else I would show the 200 variations of formulas I've played around (my work)...
Nov8-12 08:47 AM
SteamKing
3 1,594
Greetings! I am doing particle analysis using a JEOL 5310 Scanning Electron Microscope (SEM). Typically, people...
Nov8-12 05:58 PM
physicsjn
0 1,380
I have this need to be able to rapidly chill (not freeze) water without lowering its O or increasing CO level I am...
Nov20-12 06:47 AM
Enthalpy
14 2,322
Hi, I have been using a tensiometer to help me try and determine what the material is. one of the materials has...
Nov16-12 05:07 AM
pukb
2 1,523
Hi, these are questions from my exam from the mechanical behavior of materials. I seriously screwed the exam up. Can...
Nov15-12 08:09 AM
streeters
4 1,878
Hi, and thanks for your expert opinions in advance. I'm working on a theorical scenario of a flue gas funnel. Assuming...
Nov16-12 12:30 PM
Andre
2 1,397
I am wondering if there is such a subject as I am about to mention, I think it may be somewhere along the lines of...
Nov18-12 11:50 PM
Chestermiller
3 1,671
(need help with the following question) A slender bar with rectangular cross section is subjected to tensile loading...
Dec11-12 02:07 AM
afreiden
2 1,849
I was wondering if anyone could give me some info on what the miller indices of Inconel 600 and 690 alloys are. I...
Nov21-12 02:00 PM
nukapprentice
2 1,485
This is totally pissing me off, I don't know what the heck am I doing wrong. Alright, so I was given a temperature...
Nov23-12 01:42 AM
SteamKing
2 1,739
Hi all, I want to measure electric polarization hysteresis loop so i need the electric circuit to measure it. The...
Nov23-12 04:43 PM
Enthalpy
2 1,266
I'm a little confused, in my fluid mechanics course we've covered many equations and they are all derived using an...
Nov21-12 06:25 PM
Studiot
2 1,817
Hello all. As the title has informed you, I wish to make an water electrolysis cell that can not only produce...
Nov23-12 06:09 PM
GTeclips
2 1,524
The asbestos cement sheets used for roofing have a low thermal conductivity. But the general experience is that,...
Nov23-12 04:32 AM
pukb
0 1,300
Hello everybody, We need your advice with a project for building a simple one-beam bridge. We have figured out the...
Nov27-12 07:57 PM
Ngineer
10 2,157
Hi, I would like to know if Neodymium Magnets can be used as an electromagnetic magnet. The idea is to get a...
Nov27-12 07:07 PM
Enthalpy
6 3,361
A couple M will be applied to a beam of rectangular cross section from a log of circular cross section. determine the...
Nov26-12 07:49 AM
chihin098
0 2,238
Hey, Currently I have a system where I have a high pressure at the lowest point of a vertical pipe and a low...
Nov29-12 06:09 PM
Fishinev
0 1,395
Hi, I am making a capacitor with Aluminum plate and Mylar film. Al plate surface has tiny groove arrays, each groove...
Dec4-12 09:28 PM
XiangYan
5 1,786
I want to know, what exactly gives brittleness to cast iron. Have read many articles on it but people beat around bush...
Mar15-13 09:58 AM
Matcon
4 1,870
Hey all, I'm trying to design a clamp that has to hold onto a hollow carbon fiber tube, approximately 2.5 inches in...
May23-13 02:38 PM
Alkim
1 1,530
Hi; When we go to market to buy tools especially spanners, there are two types of such tools available, Chrome...
Jun18-13 07:47 AM
mfb
1 2,063
Hi, I get a whole bunch of extruded Al plates. Each of them is about 7" long by 3" wide and 0.08" in thickness. They...
Jun17-13 03:38 PM
jim mcnamara
3 1,143
I am currently in the process of designing a section of pipe in which a fluid will flow within, and would like to...
Jul2-13 06:33 PM
Chestermiller
3 2,239
Is there a type of piezoelectric material that only produces a current when bent one way or only bends one way when...
Jun26-13 06:21 AM
lostminty
2 1,694
Hello. I am studying material physics. I heard in the class that every adhesion or bonding can occur only with...
Jun19-13 08:22 PM
Simon Bridge
1 1,346
Hi, i just perfomed a differential distillation experiment, the initial solution cointaned ethanol-water solution with...
Jun20-13 10:52 AM
gpmattos
2 1,683
Need some help here! My plant just installed a water scrubber for controlling methanol emissions. Results obtained...
Jun24-13 05:22 AM
MeoH Scrubber
2 1,741
Electric double layer capacitor is charge storage device which using the mechanism of forming electric double layer on...
Jun24-13 05:40 AM
Rathy Cato
0 1,285
Hey guys, I have been reading some articles recently and I have came acrossed an article that the SMRC (Systems and...
Jul1-13 09:52 PM
Simon Bridge
1 1,362

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