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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
chemisttree
0 26,570
To whom it may concern, I have been unable to find data on the dissolution rate of calcium aluminate in a melt of...
Jun14-08 05:17 PM
bereal511
0 2,296
Most surf waxes today are pretty sticky but I want something stickier. I've been researching materials for surf wax...
Jun11-08 05:14 PM
GiTS
0 2,464
I will be a freshman ChemE student next fall and I understand that it is a difficult major, but I was wondering just...
Jun9-08 09:46 PM
undrcvrbro
10 2,798
can someone help me, by explaining what the Material Performance Criteria actually is?? i dont have a clue, and...
Jun9-08 05:14 PM
LiamFermoylel
0 1,113
Hi to everyone, Do you know what way I can dissolve CuO without any damage to steel (Fe). Thank you. Rasputin.
Jun7-08 12:30 AM
Rasputin
0 1,981
Air is compressed to 10 atmospheres, cooled to 25 degrees C and passed through a bed of molecular sieve that has an...
Jun6-08 09:05 AM
hedenqvist
1 5,693
Hello! I am a grad student and am trying to acquire some Aluminum Metal Matrix composites with Boron Carbide...
Jun6-08 08:38 AM
dingpud
6 2,506
Hello, can anyone help me out the the relationship of the atomic radius R with the lattice parameter a for a Hexagonal...
May25-08 02:39 AM
Gokul43201
1 2,377
I would like to know whether nano TiN has features such as IR absorption. I also would like to know whether nano TiN...
May19-08 10:32 PM
kaiernano
0 2,668
Can the lower explosive limit (LEL) be calculated for a gas composition if you have each components LEL but not the...
May15-08 08:39 AM
chemisttree
2 1,645
I did XRD analysis of zinc oxide, and its peaks are at 31.7, 34.4, 36.2, 47.5, 56.6, 62.9 and 67.9 (2-theta degree). ...
May15-08 08:27 AM
chemisttree
3 9,569
hi, i understand how to use steam tables, but my problem is i cannot tell which phase the water is currently in. i...
May14-08 03:03 PM
JaredJames
2 2,010
hi, i am a first year aerospace engineering student and have just completed the Thermodynamics section of my course....
May14-08 01:21 PM
stewartcs
2 12,691
I want to find diffusivity (D) by Hayduk and Minhas equation D = 1.25*10^-5(Va^0.19-0.292)T^1.52*n where Va =...
May13-08 10:02 AM
topecou
0 2,162
Does anyone know any tricks of the trade for painting Aluminum and Steel parts with a sem-gloss paint?
May9-08 02:13 PM
Danger
4 3,113
Is Yield Stress for a fluid a real property? Or is it a time dependent illusion we are measuring? For example -...
May6-08 03:46 AM
ank_gl
11 3,840
Does anyone know roughly what the value of g(r) at the first peak? I got something like 4.5 after running a...
May3-08 08:13 PM
iibewegung
0 2,238
I am working on my first heat transfer design and I have almost all of my data, but I do not know what to do with it....
Apr29-08 08:45 AM
JMorris
0 2,250
hi all I need help on understanding this kind of strengthening of non-heat treatable alloys in general "not a...
Apr26-08 10:52 AM
Astronuc
1 2,978
I am trying to determine the critical crack length of a part using finite element analysis. The software I am using...
Apr25-08 12:17 PM
UnteljentEnginyr
2 14,265
Dear all, For particle size distribution of MoS2 I need refractive index and absorption for this compound. Actually...
Apr24-08 11:56 AM
GCT
3 3,746
CAMBRIDGE - It's a theory that gives indigestion to mainstream archeologists. Namely, that some of the immense blocks...
Apr22-08 06:05 PM
SF
0 1,619
Does anyone know where to find detailed equations on the advantica/stoner water hammer surge model. The client my...
Apr19-08 12:52 PM
rppearso
0 2,363
Can anyone help to determine the maximum load on 3.5 " x 3.5 " x 3\16 " square tubing with a 1 " adjustable pin hole....
Apr15-08 04:08 PM
Mech_Engineer
2 8,986
Hi all, I'm looking at the ALD process for a uni project and could do with some clarification on a couple of...
Apr12-08 07:50 PM
Astronuc
3 2,003
Hi everyone! I have a question about mechanical properties of the materials. As I understand, when in metals...
Apr10-08 02:07 PM
Rasputin
5 4,520
Hi, does anoyne have any resourses on the degredation of ceramics due to thermal shock and sustained high...
Apr9-08 01:40 PM
CaspianTiger
0 3,440
How can i find the specific heat capacity of 25% aqueous solution of sodium salicylate?
Apr9-08 11:53 AM
brewnog
1 3,537
Has anyone out there used a vacuum system as a vise? We've been tossing the idea around about suctioning a part to a...
Apr7-08 09:04 AM
w1cam
8 2,378
For a light 5m beam carrying a central point load of 20 kN, calculate: a) the maximum shear force (iv got...
Apr6-08 12:36 PM
LiamFermoylel
4 6,389
Hi , please can anyone help. I need to know what chemical i could use that when drawn on a glazed ceramic tile it...
Apr6-08 11:12 AM
Danger
1 1,487
Please prove that , macroscopic strength rate=(burger's vector)*(dislocation density)*(average dislocation...
Apr2-08 08:53 PM
Modey3
3 1,557
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 7,732
Hello , Particle size of exist MoS2 is under 30micron and I have to change them to below one micron by a ball mill. I...
Mar25-08 07:34 PM
Gokul43201
1 1,725
When a solid body is moving on any hard surface due to friction it will lose some very little part of its body; as...
Mar24-08 09:54 AM
Doc Al
1 1,167
vermiculite a mineral loss its water molecules when its is heated but it not loses it water molecules completely.how...
Mar21-08 10:06 PM
jim mcnamara
1 1,495
Please tell me Theoritical Cohesive Strength of Metals pth=?
Mar20-08 10:06 PM
SUPERSOUVIK
0 1,087
Hi guys, I need some help here on heat treatment. I have a ASTM A182 GrF22 billet. I am just told i need to achieve...
Mar17-08 09:23 AM
Q_Goest
1 4,969
Hello, in a recent lecture on introductory engineering, our professor made reference to a stress concentration factor...
Mar15-08 11:16 AM
handsomecat
3 11,126
Dear Friends Can anybody provide me the valus of the Youngs modulus and Poisson`s ratio of MgTiO3 (geikielite)...
Mar15-08 11:13 AM
handsomecat
1 1,569

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