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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
0 26,623
Hi! I wonder what happened to fuel-cell technology. Is it so simple that hydrogen just couldn't be kept...
Dec8-13 08:10 PM
63 8,914
I 'trying to find the thermal conductivity of a silicon substrate doped with boron with known dopant concentration. Is...
Jun19-08 08:54 AM
3 8,884
Hi, i want to make brass out of Zinc(65%) and copper(35%); What is the process of making brass from Zinc and...
Apr15-11 06:11 AM
7 8,729
Hi all, My project that I am working on is a pontoon boat trailer but here is my problem. When I have launched the...
Aug30-10 09:33 AM
0 8,690
Dear Fellows Can any one answers these question. Why Austensite to Martensite Transformation is incomplete? ...
Sep3-07 06:27 AM
2 8,608
Hi. At what temperature range can brittle fracture be expected in low carbon steels? Are there other parameters which...
Aug9-11 08:59 AM
5 8,557
hi all, an intersting question in our exam today. we were asked to identify a material given these requiremets...
Jun19-05 05:35 AM
9 8,463
Does anyone know of any way to create sterling silver with a pink hue? Since Sterling Silver by definition must be...
Sep18-09 08:15 PM
Alex M
8 8,442
Hi all, I was looking into magnetic shielding materials. I have the impression that nickle, copper, steel...
Jul30-06 05:56 AM
4 8,402
Is Chrome or Stainless Steel resistant to corosion by salt and/or acid?
Feb11-09 08:00 PM
15 8,388
I would want to know what an inorganic glass is an about its solidification process or references to where i could...
Mar28-10 11:06 AM
5 8,288
I have this proplem as a homework assignment and i'm a bit stuck as houw to set it up. Here it is: Propane gas...
Jan16-07 09:12 AM
5 8,276
If yes how about in comparison to water? I ask cause I was wondering how they stop the metallic fuel injection tubes...
Aug4-08 10:19 AM
5 8,223
I have designed a science experiment for my project in which i see whether a magnet gets weaker when it rusts. So, i...
May11-07 07:57 PM
1 8,174
I have a steel material that has a yield strength of 515 mpa and a tensile strength of 615 mpa at zero degrees. What i...
Jul19-08 05:23 PM
3 8,128
I periodically browse the literature for new products. In the August 2006 issue of Advanced Materials & Process (from...
Feb5-09 05:55 AM
7 8,109
Please can anyone help me to understand, is ASTM 668 is equivalent with AISI 4340. In AISI 4340 Hardness values are...
Dec7-10 07:09 AM
1 8,090
I'm currently a freshman chemical engineer at Penn State and I've gotten so frustrated at fluid transport that I have...
Apr12-11 01:22 PM
6 8,089
For stirred, maintaining temperature at 80 and at atm pressure thx ..
Apr26-10 01:44 AM
3 8,054
Hi! Who could give me the correct value of NaCl's viscosity (in solution)? Thanks! Regards, tyutyu
Jun23-05 07:17 PM
7 8,001
anyone know of a supplier of c.r low carbon steel ie. 1010, 1008, 1002 I can't find a supplier, any info would be...
Apr16-11 07:09 PM
8 7,966
Can anybody tell me what are Residual property and Excess property in thermodynamics for?
Dec4-07 12:34 AM
3 7,884
Hello, Could anyone help shed more light on the Johnson Mehl Avrami equation and how it relates to...
Feb26-09 06:16 AM
1 7,820
As part of my chemical engineering degree I have to do a module called fluid flow. Turns out i'm pretty bad at it. I'm...
Feb3-12 12:56 PM
11 7,796
I am investigating the Young's Modulus of certain materials and what factors have an effect on the Young's Modulus of...
Dec4-09 07:29 AM
4 7,776
I need the heat capacity Ethyl Acetate as a function of temperature. I've seen books that give heat capacity as a...
Apr18-07 10:44 AM
6 7,747
I'm trying to find the viscosity of some glycerol that we dropped various steel balls down using the equation: V = ...
Mar30-08 01:52 PM
2 7,735
How would i calculate the weight of a mer, for example a mer of PTFE.
Oct20-05 12:13 PM
1 7,713
Mayhaps anyone provide assistance in determining how long it would take to reduce a specific volume of water (well, a...
Jun10-11 04:11 PM
10 7,695
Can somebody please explain how to read a binary phase diagram.
Sep7-10 01:11 PM
2 7,609
It's no surprise that if I take a particular metal and 'add' atoms of a second metal that has a lower melting point...
Apr22-04 05:56 PM
2 7,542
I have a laptop which has never been exposed to water or liquids. But somehow I have rust where my processor's fan...
May2-06 03:22 PM
4 7,522
Hi there, We have a plant that manufactures iron furniture. The iron bars come from the provider plant with a cover...
Oct29-09 11:12 AM
2 7,414
what are in the history the big disasters that have taken due to material i some somewhere there was an...
Jan2-06 12:18 PM
16 7,396
I'm wondering if anyone is willing to share some comparison numbers between any aluminum's hardness value and its...
May5-07 10:34 PM
1 7,365
Hello, I am trying to couple heat transfer and fluid mechanic together, model is a simple concrete slab (3'x6')with...
Jun11-10 12:08 PM
1 7,351
Shall it ever be possible (regarding chemistry rules) to make an alloy which acts like a catalyst in separation of...
Dec13-05 07:18 PM
1 7,336
This is a graphfor a bungee cord that is being tested by adding load to one end while fixing its other end on some...
Feb1-05 09:52 PM
6 7,251
This cute mechanical engineer mentioned in a message that he had designed some manifolds, so that's why I'm asking...
Aug17-09 04:48 AM
15 7,205
Does anyone have an idea as to the relative abundance of each of these types? Why will one type occur over the other...
Aug11-07 04:01 AM
5 7,205

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