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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
0 31,125
It seems that a major concern in the fabrication of optical fibers is hydroxyl diffusion into the fibers. I understand...
Apr21-05 03:22 PM
2 1,515
How effective is using steel powder in a polymer/ceramic composite matrix? I am wondering this from observing this...
Jun25-06 05:34 PM
3 1,515
Hi, What is the technical difference between chemical analysis and PMI(Positive material identification)? Is it...
Feb14-13 10:44 AM
2 1,513
a common complaint I see in online reviews for various types of durable, weather proof bags is that they actually turn...
May12-12 07:45 AM
0 1,512
This is either an engineering problem or a mathematical problem, but it is also about chemical formulations. ...
Feb12-11 04:18 AM
1 1,511
Hello, My professor did a lecture about mass conservation in a system. He basically explained the lining that...
Sep10-13 07:08 PM
3 1,511
Hi all, i'm a student studying transportation design at university and i've been given a project where i need to...
Nov27-11 08:44 PM
1 1,510
Can someone tell me or tell me where to look to determine the tonnage requirement to compress 304 stainless steel...
Apr24-12 06:08 AM
0 1,509
Hi All, I am new to a laboratory and they have this EB-PVD machine. I would like to know how several parameters...
Aug10-12 09:19 PM
1 1,509
Hi All, I'm wondering if anyone is aware of a piezoelectric material that is both liquid and is...
Mar23-13 05:39 PM
2 1,509
Hello, soon I will be taken examinations about microstructures and phase diagram. Very interesting stuff, but I...
Jun18-12 04:43 AM
4 1,508
what material can is gas form? or any catalyst will work?
Oct21-09 04:43 AM
0 1,506
1. Could someone kindly explain why steel should yield first before concrete fails? 2. Let's say on the tension side...
May11-13 09:18 PM
0 1,505
I've been reading up on vacuum infusion for fiberglass. The big problem is getting the resin to flow over a part...
May18-09 08:27 PM
0 1,505
Hello, I have somewhat of a difficult question. First of all I have to say I am not an engineer. I need help in...
Sep25-11 06:24 PM
1 1,504
Hallo, has somebody some experiences with open vessel inertization? If yes, do you have some concept? Thanks JG
Apr28-11 06:21 AM
0 1,503
Do either of these actions impact upon the elastic modulus? I can't think of any reason why they would, but just want...
Apr24-13 10:27 PM
1 1,502
Hi there, I was wondering if siloxane can be used to seal concrete?
Aug11-10 02:29 AM
1 1,500
You are to design a tension member (square rod) with a cross section to carry a mass of 575 000 kg with a safety...
Sep28-10 02:36 AM
1 1,499
dear PF members, If anyone have some data/url/plot regarding the thermal conductivity of copper and aluminium from...
Feb4-09 11:20 AM
2 1,497
Can somebody explain why strength increases with decrease in dendritic arm spacing. Please talk about mechanisms of...
Mar27-12 08:48 PM
0 1,497
Why we use v-notch in charpy impact test ?
Aug25-13 03:44 AM
1 1,495
I am wondering if anyone know of any sources that may contain the outgassing rate of PLA (polylactic acid). I've...
Jan7-13 09:58 AM
0 1,494
Many parts of the world face water crisis today ( especially Africa ) . This can be avoided if the sea water ( which...
Feb24-13 10:14 AM
Simon Bridge
5 1,494
Hello everybody, This is just a general question I have, and probably the title did a very bad job at explaining...
Apr7-10 04:18 AM
2 1,493
Ductile to brittle transition temperature and Glass transition temperature. I know these two are different but don't...
Apr11-11 11:46 AM
2 1,493
i m rubbish at chemsitry, so can someone explain this process, especially what the final thing would be? Copper...
Feb22-09 02:18 AM
0 1,492
I produce a small wallet size pouch that I have had a lot of problems figuring out how to make it close without...
Jan21-10 06:06 PM
3 1,492
Hi, I'm having trouble producing 22 AWG polypropylene cable. I keep on getting "missing insulation" and "reduced...
Sep19-10 11:39 AM
0 1,492
Good day forum! I need to model the radiation emitted by a gas of a certain composition to the refractory bricks,...
Apr3-11 05:29 AM
0 1,492
Dear Physics Forums members, I humbly ask your guidance on a project I've just started :blushing:. I need to find a...
Aug24-12 11:44 AM
2 1,492
Dear Sirs, I use Comsol 4.3 to model ceramic thermal behavior. I've taken some SEM photos and after some elaboration...
Apr12-13 07:20 AM
0 1,492
Hi everybody, I have a doubt about a question on my future exam of Materials Science. Is ductility associated with...
Oct13-08 07:12 AM
1 1,490
Could someone explain in a short and simple way the basic operation principle of a TEM?
Nov1-05 06:30 AM
2 1,489
Hi... i have an exercise to do and I'm not sure abotu it: a hollow pole, is constructed from epoxy vf=0.4 with the...
May13-12 02:41 PM
0 1,488
Ok I feel this is the best place to place this subject. Well, I have been interested in materials science and...
Jan20-09 01:45 AM
5 1,487
Other than molecular weight, what are the factors which affect the melt flow rate of thermoplastic?
Oct30-13 11:31 PM
Hyo X
1 1,487
I know this question seems to be a little out there, and I might not be in the right forum, but here it goes. I...
Apr7-09 09:34 AM
4 1,486
I've been trying to find a wet etch procedure for Ruthenium Dioxide (RuO2). Anybody know of a procedure or have links...
Apr21-10 09:31 AM
0 1,486
Dear friends... Could you shed some light on this? If we have K = \frac{y}{x} would it be correct to say...
Sep11-09 04:54 PM
0 1,485

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