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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 30,411
Urine flow meters are used to diagnose urinary flow obstructions such as might occur in the even of enlargement of the...
Oct10-12 07:51 PM
TsuinRyu
6 4,251
Hi there, I'm just curious as to how to determine the moisture content of some concrete we've recently set. I was...
Jul12-11 10:52 AM
coltleader
6 12,118
I've been doing tons of research on Fick's Law. I understand how to derive it and what its used for. I just need to...
Jul11-11 06:48 AM
acemgirl
6 19,434
Hi, first post! I have a first year exam tomorrow, but I can't find any where which gives a good explanation of the...
Jul3-11 01:13 AM
usm125
6 23,907
Having a hard time with failure theories. Beam length 20 feet, 6"h x 4"w. sigma yield is 40 ksi. How to calculate...
Apr21-11 11:02 AM
Studiot
6 6,457
Ok. I know this may sound like a stupid question but for the life of me i cant find definitions for these terms. I am...
Oct17-12 02:56 PM
kaelibw
6 3,249
Hey guys... i'm new student in chemical engineering and i want your help in a problem: ...
Jun9-11 01:04 PM
SteamKing
6 2,114
Hello all, I need some help with a sheet metal part I am going to produce. The part consists of 12ga A572 grade 50...
Jul19-11 05:39 AM
emagray
6 3,039
Hello, I am developing an analytical approach to determine the creep constants of a constitutive model for...
Aug1-11 10:25 PM
Enthalpy
6 3,661
Hi all I want you to give a comparison between PTFE / PCTFE / Viton / EPDM O-ring considering these points : ...
Mar15-12 10:50 AM
cherly
6 18,057
I'm doing a research project which aims to develop a mathematical correlation for fatigue life prediction at resonance...
Nov28-11 04:14 PM
AlephZero
6 2,479
Hi I need to perform a material selection case on the rotor of a steam turbine. Both material selection as process...
Jan10-12 05:00 PM
Kryptex
6 5,185
We are currently working on a project with flexible PVC wire chop from a metals recycler. with a density of 1.1 -1.35...
Feb3-12 02:01 PM
MrSid
6 2,333
Hi everyone; I read some of FTIR threads in forums and they were at the different parts of forums so I decided that...
Mar2-12 01:32 AM
chemisttree
6 2,534
I need to compute the yield point for an experimental true stress vs true strain plot of a material as attached in the...
Mar17-12 05:51 AM
kvpl
6 4,277
Hi everybody :smile: my first post here and I wonder can you recognize and name this two alloys? first: Ni27.5%...
Mar12-12 10:12 PM
madstudio
6 1,859
Can any body explain me why aluminum can not come out / outgrowth stop after the oxidation of titanium-allominium...
Jun19-12 05:12 AM
Mahmood Anwar
6 1,858
Hello everyone. I was wondering if getting a metal or a piece of radioactive material such as uranium, it could be...
Jul20-12 09:08 PM
ddanon
6 2,180
hey all. i am making a sample of bulk tungsten. but i am getting only about 84% denstiy... can anyone suggest a...
Sep4-12 09:37 AM
notinthebox
6 2,073
Hello, I have next to no materials specific knowledge, so I was hoping someone here could guide me in the right...
Nov1-12 07:51 AM
johnbbahm
6 2,687
Hey guys, First off, I apologize if this is in the wrong section. I am currently an intern taking 6 months off from...
Oct16-12 06:33 AM
brightonk
6 1,479
Hi Everyone, I need to build a battery for a shoebox-sized vehicle. I'm still collecting requirements, but I'm...
Oct25-12 11:21 AM
litup
6 1,619
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 3,370
So this is my idea: make concrete using iron sand, preferably one with a decent ferromagnetic interaction. As...
Feb9-13 03:36 AM
Graniar
6 2,002
Hey guys I'm putting together a lightweight bulletproof armour and need a non reactive viscous gel to be placed in it....
May7-13 03:14 PM
Danger
6 1,841
Could someone tell me the major hydraulic reactive components in Portland Cement and also the undesirable by-product...
May5-13 05:26 PM
SherlockOhms
6 2,143
Hi all, I have been researching conductive glass in my quest to create a solar powered 3D printer :) :). So, I have...
Jul21-13 06:04 AM
Graniar
6 2,674
I would like to identify a mysteriously dense metal I have in my possession. I bought a big box of engineering bits,...
Sep18-13 09:56 AM
alan-c
6 1,605
Hello to all, I am new here, with almost the same question like on this thread: ...
Nov7-13 12:19 PM
RocketSci5KN
6 1,907
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 3,267
Dear friends, I wish know what is/are the chemical elements commonly used for build filter lens applied on...
Apr19-14 05:31 AM
andre_teprom
6 920
I have read that enthalpy of an ideal gas is a function of temperature only, I am having a little trouble getting it....
Apr26-14 09:51 PM
Chestermiller
6 918
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 2,516
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 4,352
Here is the problem: The bars of a saddle, which rest on a horse's back, rarely completely conform to the exact shape...
Mar22-12 08:11 AM
HowlerMonkey
5 2,674
I work at an Aluminum sheet casting plant, we use AlTiB as the grain refiner for our cast products.Ti:B ratio as...
Feb19-13 12:34 PM
Alkim
5 1,171
I use RTV silicone rubber to make moulds for hard candy. Hard candy is basically boiled sugar that is poured into...
Mar24-13 07:28 PM
westroci
5 1,436
I found three different type of alloy. 1. Not shiny...
Jun14-13 01:32 AM
PhotonX
5 1,723
I don't know if this is the right forum but I'm curious. Companies are searching for alternatives like copper and zinc...
Aug30-13 04:39 PM
mfb
5 1,692
I need a recommendations on a glue to stick aluminium foil. Due to the size I need a product that can be brought in...
Oct14-13 11:25 AM
Notinuse
5 5,213

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