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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 31,369
Hi, I am trying to understand some more on composite materials and i have a question. Let's say i have two materials...
Apr3-11 09:42 PM
dawin
2 1,581
Hi All, I am working on a sensitivity model for a short wave IR spectrometer. And I have come up to a few questions...
Sep11-06 11:13 AM
rp895
0 1,580
Hello, I'm not sure if this is in the right section, but I figured chemical engineering would be best for this. I...
Dec13-13 04:48 PM
nst.john
2 1,580
i have a whole bunch of potassium chloride and will be getting more soon. ive been attempting to obtain pure...
Jun22-07 03:47 PM
tc_kid
2 1,579
How do we measure the young's modulus of powders (particle size D50 is around 50 microns)? Quasi static methods...
Mar26-09 07:40 AM
timmay
2 1,579
can anybody let me know the estimation of C,S,Si,Mn and P in cast iron and steel? i will be thankful to all who...
Jan19-07 12:11 PM
yamini
2 1,578
Hello, I am new here and I joined because I was wondering if I could find any help concerning finding heat from...
Sep25-11 02:55 PM
Physics quest
0 1,578
Is anyone familiar with materials which possess a high tensile strength, but also a low young's modulus (high...
Sep10-09 04:58 AM
timmay
1 1,578
I'm doing some research for ways to reduce heat intake in a building and was wondering how much this stuff would cost?...
Nov30-11 07:55 AM
s3a
0 1,577
Hey PFers, So basically, we have these plates of bakelite that have on the order of 10^10 Ohms surface resistivity,...
Oct30-08 04:43 PM
Afunk
0 1,575
OK so this is a problem me and some co-workers have been discussing. We have refrigeration pipelines that are about...
Aug24-12 06:46 AM
NascentOxygen
2 1,574
Hi everyone, So I have a set of relaxation data and creep data for a solid polymer that I want to analyse. In the...
Jan24-13 05:29 PM
Chestermiller
1 1,573
Dear all I ahev a urgent problem!! I have a bar of copper metal and I irradiated it with a Gaussian beam of...
Jul4-10 05:51 AM
edi70
0 1,572
Hi, For a problem that gives T1, P1, fixed volume V for a throttling valve, I know how to find T2, and P2. However,...
Oct27-12 05:44 PM
delassonrisas
0 1,571
Dear all, I got 20 grams of Mgo powder to be milled (to obtain Nano-powder). The person in charge of the lab said,...
Jan3-11 12:54 PM
hokhani
2 1,570
Hi everyone. I was wondering how badly aluminum affects RFID waves (860-960MHz)? Do they completely absorb,...
Aug24-12 12:46 PM
berkeman
2 1,570
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 1,570
Hey there! What's the strongest material ever-existed? By means of either man-made or occurred naturally. Please...
Feb26-14 03:37 PM
Ritzycat
3 1,569
Hello all, I have a consumer product idea but I first need a material with very low thermal conductivity (not...
Feb5-09 01:26 PM
Mapes
1 1,567
The problem statement says to derive the concentration as a function of time for the general three species first order...
Aug31-11 09:42 PM
babbagee
0 1,567
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 1,567
I'm currently looking into some dental material mechanics. Material: Pressable ceramic powder Melting range:...
Apr11-13 06:52 PM
uby
1 1,567
can anybody tell me whether nanotechnology is related to materials technology or not?
Dec19-06 01:55 PM
Gokul43201
1 1,566
hi does anybody has an idea how can i attach 2 spaghettis from their base without being breaked or crooked. I'm ONLY...
Jan8-09 05:51 PM
Redbelly98
14 1,563
I would like to know if anyone here has ever been involved in permanent magnet production, and more specifically, with...
Jun25-09 01:52 PM
trini
0 1,563
In cooling distillate off a column, is there a disadvantage to making a condensing fluid in the tube side of a shell...
Mar2-05 06:05 PM
Bystander
1 1,562
Please help me about the parameter realted fo efficency of the SOFC ? For the eneregy heravesting device whether is...
Jul14-08 11:30 PM
manas
2 1,562
i am actually searching for strong but light magnets. Every thing is magnet in itself, by using hysteresis loop we can...
Jun20-07 11:34 AM
berkeman
1 1,561
vermiculite a mineral loss its water molecules when its is heated but it not loses it water molecules completely.how...
Mar21-08 10:06 PM
jim mcnamara
1 1,559
Hi Is there any way to differenciate peaks of precipitates from matix, I got the pattern which seems superimpose of...
Oct27-08 06:58 AM
ankurg
0 1,559
I have an ideal gas that expands adiabatically. How do I calculate the work done for irreversible and reversible...
Feb4-11 12:31 PM
dhoyda
0 1,559
Hello everyone! I'm currently a high school junior working on a project where I mix ferrofluids and...
Jan6-12 04:49 PM
Kommandat
0 1,559
I am interesting to know about the manufactures of these products: crystalline silicon solar cells, thin-film solar...
Apr10-13 04:11 AM
suchitra sen
3 1,559
I want to ask how Schott and other glass makers develop their glasses for calibrated light transmittance ? How...
Feb10-09 08:37 PM
Mustafa Umut
0 1,558
I'm doing research for an upcoming project that involves accelerating a small polyproylene ball using electricity to...
May30-10 06:53 PM
axi0m
0 1,557
Are they the same? Quartzite is found in the nature as the rock form. The colors are, some light brown, and some...
May26-13 05:55 AM
SteamKing
1 1,557
I've been trying to google-out some things about this issue, but - nevertheless I ask here because this issue seems...
Dec13-05 03:24 PM
SAZAR
0 1,555
Using the equations Wilsonís, Margulesí, and van Laarís, plot the predicted VLE for this system at this temperature,...
Oct31-06 10:28 AM
berkeman
1 1,555
Fluorescent tube lamp (FTL), in very simple words, produces light from excitation of atoms due to bombardments of...
Dec1-13 01:40 PM
Alkim
1 1,555
This is the silica gravel that I already own: silica gravel If I compare to the other silica form such as below...
May22-13 09:21 PM
Simon Bridge
3 1,553

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