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Materials & Chemical Engineering

- Properties of matter and its applications. Metal Production, Fabrication, Distillation, Corrosion
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Illegal/Dangerous Activities: Explicit "how to" discussions of illegal and/or dangerous activities, or posts...
Jul31-07 05:01 PM
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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
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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
6 11,890
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
6 3,105
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
6 2,896
Hello, I am developing an analytical approach to determine the creep constants of a constitutive model for...
Aug1-11 10:25 PM
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Hi all I want you to give a comparison between PTFE / PCTFE / Viton / EPDM O-ring considering these points : ...
Mar15-12 10:50 AM
6 16,020
I'm doing a research project which aims to develop a mathematical correlation for fatigue life prediction at resonance...
Nov28-11 04:14 PM
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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
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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
6 2,237
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
6 2,372
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
6 3,923
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
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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
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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
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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
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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
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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
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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
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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
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So this is my idea: make concrete using iron sand, preferably one with a decent ferromagnetic interaction. As...
Feb9-13 03:36 AM
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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
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Could someone tell me the major hydraulic reactive components in Portland Cement and also the undesirable by-product...
May5-13 05:26 PM
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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
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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
6 1,207
Hello to all, I am new here, with almost the same question like on this thread: ...
Nov7-13 12:19 PM
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Dear friends, I wish know what is/are the chemical elements commonly used for build filter lens applied on...
Apr19-14 05:31 AM
6 328
hey :smile: I am a college student and am looking for a liquid having the following properties at very low...
T 10:49 AM
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During the heat treatment of Aluminum alloys, two processes: Solution and Precipitation heat treatment were used. ...
Apr19-12 02:39 AM
5 19,483
So I have been reading up on composite materials and have been geting a bit confused, from what I have read, composite...
Mar10-12 11:38 AM
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Dear all, Does anyone of you know the name of some materials that self-decompose in anaerobic conditions...
Mar19-12 03:15 AM
5 1,691
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
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Hello mates, anyone here ever studied or used the method of rapid cooling called "Splat Cooling" ? I will use...
Apr3-12 09:38 PM
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I need some help with information for making brass for a science project. I have access to a furnace and professional...
Aug22-12 06:45 PM
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Hi all, Would really appreciate some help on this problem I can't seem to figure out. Brown coal has an energy...
Aug25-12 04:48 PM
5 3,636
Hi, What changes will happen to retained austenite in a martensite matrix during tempering of martensite in an...
Oct30-12 08:16 AM
5 2,305
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
5 1,677
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
5 1,045
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
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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
5 1,315
I found three different type of alloy. 1. Not shiny...
Jun14-13 01:32 AM
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