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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 31,400
I'm having problems measuring the temperature of a steel surface with varying emissivity with a pyrometer. So I...
Mar4-09 01:24 AM
jarra
5 9,728
i have a problem while commissoning of psa oxygen plant. problem is this that in psa adsorption tower, the...
Nov27-07 02:14 AM
prashant yadav
0 9,690
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
hanksvilleman
0 9,598
http://img193.imageshack.us/img193/1825/hallp.png Uploaded with ImageShack.us according to the equation what are...
Dec3-10 08:22 AM
pukb
2 9,541
Hi Friends, I'm looking for the Yield strength, Ultimate tensile strength, Young;s modulus and poisson's ratio of...
Nov12-08 05:11 PM
Enthalpy
5 9,525
Been reading about aluminium alloys. Could someone tell me why some alloys are heat treatable and others aren't. Or...
Mar3-07 08:35 AM
Astronuc
3 9,451
Can anyone tell me how to find the angle between tensile force and slip direction under these conditions:- 1. Tensile...
Oct20-10 02:48 AM
CharlesMareau
2 9,379
Hi all, I hope to get some help from you here. I'm a quality engineer working for a coal briquettes company in...
Nov5-10 02:59 AM
Driftwood1
1 9,213
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
asifmalik
7 9,186
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
my8950
5 9,175
I 'trying to find the thermal conductivity of a silicon substrate doped with boron with known dopant concentration. Is...
Jun19-08 08:54 AM
Mapes
3 9,153
Can anybody tell me what are Residual property and Excess property in thermodynamics for?
Dec4-07 12:34 AM
siddharth
3 9,008
hi all, an intersting question in our exam today. we were asked to identify a material given these requiremets...
Jun19-05 05:35 AM
Astronuc
9 8,960
Dear Fellows Can any one answers these question. Why Austensite to Martensite Transformation is incomplete? ...
Sep3-07 06:27 AM
tospok
2 8,892
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 8,882
Is Chrome or Stainless Steel resistant to corosion by salt and/or acid?
Feb11-09 08:00 PM
turbo
15 8,863
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
Matcon
5 8,757
I periodically browse the literature for new products. In the August 2006 issue of Advanced Materials & Process (from...
Feb5-09 05:55 AM
Astronuc
7 8,726
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
SKinDt
10 8,702
Hi all, I was looking into magnetic shielding materials. I have the impression that nickle, copper, steel...
Jul30-06 05:56 AM
Astronuc
4 8,696
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
Astronuc
1 8,684
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
mark-ashleigh
5 8,591
I am looking for a way to electroplate paper with out disintegrating the paper. Is there a conductive "paint" that I...
Aug29-14 09:58 AM
Matcon
33 8,577
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
ccapeg
6 8,523
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
mayYang
11 8,490
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
calum
4 8,425
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
Danger
1 8,395
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
nucleus
3 8,380
For stirred, maintaining temperature at 80 and at atm pressure thx ..
Apr26-10 01:44 AM
thant
3 8,304
I'm looking for a site has online resources, suchas .. phase diagrams, ternary phase diagram, diffusion cooff. etc....
Oct10-03 08:08 PM
siliconcarbide
0 8,264
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
cyruscowboy
8 8,254
How would i calculate the weight of a mer, for example a mer of PTFE.
Oct20-05 12:13 PM
Gokul43201
1 8,221
Hi! Who could give me the correct value of NaCl's viscosity (in solution)? Thanks! Regards, tyutyu
Jun23-05 07:17 PM
Gokul43201
7 8,204
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
DaveC426913
4 8,124
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
whitshadw8
6 8,060
Hello, Could anyone help shed more light on the Johnson Mehl Avrami equation and how it relates to...
Feb26-09 06:16 AM
Mapes
1 7,981
Hi, I am a newby to all of this, can't find any good answers on the internet, hope someone with experience can...
Aug4-11 02:14 PM
edgepflow
19 7,923
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
mr-tom
2 7,917
Is the statement Ke=k+/k- valid for all equilibrium constants like Ka, Kx, Kp, Kc? All of the expressions I have found...
Aug24-12 10:32 PM
Chestermiller
7 7,900
Hello every body, I'm from Vietnam. I have a question that : if we decrease the size of the grain of metal by heat...
Aug2-14 03:03 AM
iftikhar
6 7,847

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