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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 30,439
I have read there is a way to dissociate water without use of an electrolyte by means of high voltage that overcomes...
T 01:21 PM
Borek
11 234
Hello to all Experts in Adsorption Physics! Here is a research paper, stating that water adsorbed in a mineral called...
Y 09:15 AM
ovacs
3 539
Hi all, I have an idea for a project whereby I there would be an electromagnet pulling on a metal weight through...
Y 03:16 AM
Baluncore
1 515
So I was reading that Osmium will break down into a poison oxide gas if it is heated in the presence of air. If...
Jul30-14 09:10 AM
Baluncore
1 136
Can any one tell me how to measure the thickness of the film from crystal truncation rods.
Jul29-14 02:11 PM
Greg Bernhardt
1 1,196
hi friends, I am going to program a double pipe heat exchanger designer software and I need to every detail on heat...
Jul29-14 02:11 PM
Greg Bernhardt
1 1,743
Hello all, Can somebody explain to me what PEC (proximity effect control) means in nanofabrication? Thanks :)
Jul29-14 02:11 PM
Greg Bernhardt
1 1,671
I'm developing a small product, And I need a material ( maybe a plastic ) for a metal part slide through. The material...
Jul28-14 01:24 AM
Baluncore
1 585
I have a heavy apparatus I am working on which needs to be mounted onto a plate (or some other support structure). ...
Jul25-14 09:17 AM
AlephZero
1 504
Hey guys, When you are shot with a gun you get hurt even if you're wearing kevlar. In some cases you even break...
Jul24-14 03:28 AM
ovacs
14 3,524
Hello, I am trying to calculate the surface cooling rate from the sides of a round tin can using Rayleigh, Prandtl...
Jul18-14 11:14 PM
Roger44
1 1,372
Hello every body, I'm from Vietnam. I have a question that : if we decrease the size of the grain of metal by heat...
Jul18-14 10:51 AM
pukb
4 7,049
I'm designing a custom ultra stiff strut bar for a car. Achieving extreme stiffness usually adds a lot of weight, so I...
Jul16-14 03:07 AM
Nikita240
2 2,000
Why do things like grease, cheese, butter, jam, etc. stick to smooth surfaces like a butter knife or teflon? What are...
Jul14-14 06:47 PM
arpitasoni
2 2,516
I am going to attempt to use a sheet of HDPE betwen a concrete footing and the base of a column to allow the column to...
Jul14-14 11:54 AM
jamesm
2 1,882
Hi everyone, I need some specific mechanical properties of A516 carbon steel, but as yet I am unable to find it...
Jul13-14 11:41 PM
Astronuc
3 2,809
A rubber sheet (thickness 0.2mm) was mounted in an open-type Ussing chamber (6mm aperture) such that hydrostatic...
Jul9-14 08:32 PM
Greg Bernhardt
1 2,558
What the title states. Is it possible? I can't seem to find a way (at least, from the massive stash of PDF files I...
Jul9-14 08:31 PM
Greg Bernhardt
1 2,185
I'm a third year physics undergraduate and I want to make 3D Graphene - without spending a fortune. This is my...
Jul9-14 08:06 PM
trujafar
2 3,251
I am looking for a way to electroplate paper with out disintegrating the paper. Is there a conductive "paint" that I...
Jul9-14 07:39 AM
iwant2beoz
32 7,172
I'm trying to convert a fine powder into hard granules (1mm - 3mm dia) & was trying to use a Fluidized Bed Dryer to...
Jul7-14 03:49 AM
rollingstein
2 2,602
Hello, From the figure how is it possible to say that this line shows amount of liquid while other is amount of...
Jul6-14 06:42 PM
Chestermiller
2 2,218
hi, I am running some scientific experiments, and I need a sheet of materials that is extremely good conductor of...
Jul3-14 05:39 PM
mfb
6 4,388
I'm wondering with the circular fin, with uniform cross section area with given length and diameter. both ends are...
Jul2-14 02:45 PM
Greg Bernhardt
1 2,428
Hi, I was wondering if anyone knows if there is any differences between the polymers Silicone 184 and Siloprene...
Jun30-14 09:49 AM
Greg Bernhardt
1 2,351
Hey Guys, I was wondering in Sewage treatment plants ,how are detergents (Bleach and such )generally dealt with...
Jun30-14 05:27 AM
Baluncore
1 2,415
What method can be used to make large macro-sized sheets of graphene? There have been recent articles on research...
Jun25-14 02:56 PM
York Fee
8 5,435
I am looking into the possibility of making this shredder to shred failed 3D prints, mostly ABS. ...
Jun20-14 02:06 PM
Lok
1 2,455
Yes, da, yes. :biggrin: So this is my first VLE Generator using the Dalton's Law and Raoult's Law I managed to whip...
Jun20-14 11:23 AM
maistral
6 3,291
Hello. There is an adapter here in our workshop for milling holder BT shanks (that converts for example BT-60 to...
Jun19-14 04:49 PM
Baluncore
1 2,176
I have read some pdf files and it says negative Rockwell hardness value is not used because of it would cause...
Jun18-14 09:42 AM
null void
6 2,554
I have been searching the internet and this forum for information on where to place anodes or how far away they should...
Jun13-14 11:01 AM
jddj
2 2,347
Hello! First post here, so hopefully I'm not doing anything wrong. I've hit a dead end with an experiment and could...
Jun10-14 11:50 AM
mrziema
11 2,799
I have a simple question. If when mixing two liquids together the directions say mix 10.4 parts of hardner by weight...
Jun9-14 02:28 AM
markx
2 2,395
Hi, I am studying fluid mechanics and I am trying to get to grips with slip and no-slip boundaries. I know that: ...
Jun5-14 10:14 PM
Chestermiller
1 2,383
I've been trying to figure out what the Gibbs-Thomson effect is, but haven't been able to get a clear answer. ...
May30-14 01:15 PM
my2cts
1 2,455
Hi, I am a Bachelor Student of biomedical engineering and I have a question regarding the complex compressive...
May28-14 07:24 PM
Chestermiller
1 2,670
So this is the problem that I am working on. It is a woosh bottle where I am inputting 70% isopropyl alcohol, closing...
May27-14 02:04 PM
Greg Bernhardt
1 2,632
"Precipitation hardening is a heat treatment that distributes secondary phases more evenly in an alloy..." What does...
May24-14 12:30 PM
mattyboson12
2 2,523
Hi, I have a question regarding polymers. You know that polymers, basically, consist of chains of polymers, each...
May23-14 05:14 PM
Klar5566
4 2,839

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