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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 30,092
I was wondering if anyone knew of the potential downsides of using this material to replace a piece of 1/4 low carbon...
Apr28-12 10:41 AM
sweeneyman
2 3,440
Hi all, I am simulating torsion tests (after being successful with tension and compression tests). For tension and...
May1-12 10:00 PM
svishal03
1 2,123
When mixing special grades of alloys, or even in commercial production of common alloys, furnaces are often used where...
May3-12 09:21 PM
dsl
2 1,678
If you have a colloid of 2 types of nanoparticles and tune the conditions (pH, salt) in such a way that one of the two...
May4-12 04:45 AM
JeroenV
2 1,920
Mohrís circle for a material loaded in uniaxial tension of 250MPa. Where is the plane of maximum shear stress? If...
May6-12 03:34 AM
deitel
0 2,110
Can someone please help me with this exam question!!! Calculate the cutting time for the following drilling...
May7-12 11:40 AM
LockyPhysics
0 1,489
Chemical engineering in general (career wise) and chemical engineering the program in most universities in Ontario,...
May8-12 06:38 PM
milliex51
0 1,573
Say I have a painted/coated steel beam. Some of the paint peels off in certain areas. Rust forms. Could the rust be...
May11-12 09:26 AM
dan38
0 1,427
Hi I want to know what is inside a grain boundary? Is it a gas or vacuum
May11-12 08:27 PM
ChaseRLewis
2 1,908
What are the factors which influence yield stress in polycrystalline fcc metals? I'm thinking of: a. grain...
May12-12 05:35 AM
Chemist20
0 928
correct me if I'm wrong please: Initial slip system is (-1-11) If I have a tensile axis orientated in , as...
May12-12 05:45 AM
Chemist20
0 1,575
a common complaint I see in online reviews for various types of durable, weather proof bags is that they actually turn...
May12-12 07:45 AM
cave_cat
0 1,481
if a bottle is pressurizd to 0.01 mpa above atmospheric pressure (0.1Mpa) which pressure shall I take to calculate the...
May12-12 11:08 AM
Chemist20
0 1,534
PLEASE. I really need this! (im preparing the course by myself and have no one to ask to!!!! a hose in a...
May12-12 12:09 PM
Chemist20
0 1,221
Hi. In most cases, the relative permittivity of dielectric materials must be maximised. However, there are some...
May13-12 03:43 AM
man786
0 1,443
Hi... i have an exercise to do and I'm not sure abotu it: a hollow pole, is constructed from epoxy vf=0.4 with the...
May13-12 02:41 PM
Chemist20
0 1,443
Is there a material that acts as a membrane for light that allows light to pass through it one way from all angles,...
May14-12 06:47 AM
ANarwhal
0 1,387
Greetings! We are currently doing a study about the elemental composition of ambient particles in the atmosphere. ...
May14-12 08:34 PM
physicsjn
2 1,749
Has anybody produced single walled carbon nanotubes by hydrothermal processing?
May15-12 01:11 AM
mundus
0 1,444
Hello Pals, My fiance is going to school for chemical engineering. I have read the statistics pertaining to...
May16-12 06:53 AM
turbo
1 2,926
Hi Folks, Not the best at this so hoping somebidy can help me. I have a 67.4 litre vessel and I'm filling it...
May16-12 07:19 PM
Q_Goest
3 1,605
I need to build a pressure accumulator which will be then used as a spring actually (upper side of the accumulator...
May17-12 07:56 AM
JuzerNejm101
0 1,365
Would it be practical to make a solar battery maintainer for my daily driven car using a small like 0.5 watt solar...
May17-12 10:40 AM
samblohm
0 1,369
Hi, my current research is to determine the thickness and the index of refraction of semiconductor materials.. using...
May18-12 02:26 AM
ralden
0 1,543
I need to calculate the force of a pin impacting a solid metal. I know the shape of the indenter, the precise shape...
May21-12 12:47 PM
jimep
1 2,008
Can someone please assist or direct me to sources to modulate the dispersion of Ammonia in air. I have 240 kg of...
May22-12 11:25 AM
MartinST
0 1,545
I'm interested in calculating the diffusion of iron atoms through silicon. A small, but known, amount of iron is...
May22-12 07:50 PM
pa5tabear
0 1,395
hello, today I faced a problem with explaining why in anaerobic process the volume of UASB reactor is smaller than...
May26-12 04:21 PM
henlus
1 2,371
I drink a lot of espresso. From my minimal knowledge of espresso machines, I understand that the water is heated into...
May27-12 05:37 AM
Simon Bridge
1 1,614
Hello, I will be honest and upfront, I am truly no chemist and actually have no clue on what to do.. I am trying...
May27-12 07:51 AM
scutterbob
3 1,692
Hi there, I need help about how to solve the flexural rigidity (D) of a composite. For instance, if I have two...
May27-12 03:50 PM
kaizen.moto
0 1,914
Hi all, I want to read more about this topic and materials that have this property. Currently all I can find are...
May28-12 11:34 PM
lostminty
0 1,150
I know how to do heat capacity problems but i am unsure of how to do them when two materials are combined together....
May29-12 03:02 AM
A.Carpenter
2 1,762
Hi, I've already made a question and recently received a reply. My question is how does a microcantilever have a...
May29-12 06:35 PM
Tah
2 1,445
Hi, I want to do a very simplified model to try to modelize the change of temperature in ultrasonic welding of...
May31-12 05:37 AM
adso81
0 1,352
A concurrent flow rotary dryer is used for drying solids to reduce its moisture content from 3.5% to 1%. Dry...
Jun4-12 06:46 AM
gautham_n
0 1,350
Hello :) I am a student searching for a way to preserve raw food without a fridge for an assignment. Thinking...
Jun4-12 10:16 AM
pa5tabear
1 1,311
This was a question from one of my tutes earlier in the semester, and now that I'm revising for an exam I can't seem...
Jun4-12 08:02 PM
chem_is_lovex
3 1,815
Hi, All: I know very little physics and/or materials engineering. I am just trying to see if there is something...
Jun5-12 10:20 AM
pa5tabear
1 1,907
hi, i am new on this forum. i want to make a device which will be heat locked i.e. there will be charge in that...
Jun7-12 01:39 PM
Danger
1 1,285

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