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PhysicsForums Formula for allowable wall thickness  
08:18 26-Jul-07   [Replies: 2, Views: 349]    By: Unnamed
I need to determine the minimum wall thickness for 1018 CRS for a knife blade. I know the moment, max deflection, greatest safe load, yield strength, MOE, length, density, current wall thickness, etc....
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PhysicsForums Modeling fracture  
16:39 17-Jul-07   [Replies: 6, Views: 351]    By: Unnamed
Hi, i've been looking into ways to model fracture in real-time and i ran into a few papers on the net, one was by a few people from MIT compsci lab that seemed to fit what i was trying to do very well...
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PhysicsForums Will O anion be released in electrolyte?  
02:12 15-Jul-07   [Replies: 0, Views: 241]    By: Unnamed
Just like the title.As we know,the 1st ionization stage of water will release H and OH,and the 2nd stage is extra tiny.But what's the statement when electrolysing?Will O anion be released?If yes,how ...
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PhysicsForums I wanna a help finding !!  
10:27 14-Jul-07   [Replies: 0, Views: 214]    By: Unnamed
hello everyone Im new member I want to ask which kind of epoxy is the best to use with Ti alloys and it would be resistant to chemical solutions ?...
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PhysicsForums Austensite to Martensite Transformation  
11:06 13-Jul-07   [Replies: 2, Views: 223]    By: Unnamed
Dear Fellows Can any one answers these question. Why Austensite to Martensite Transformation is incomplete? Bainite is the most toughest microstructure whereas martensite is the hardest stru...
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PhysicsForums High Temperature Polymers?  
03:25 12-Jul-07   [Replies: 2, Views: 271]    By: Unnamed
Hello, could anyone point me to some resources where I can find information about high-temperature polymers? In particular, I am interested in the theoretical aspects of typical structures and how it ...
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PhysicsForums BMGs  
04:55 2-Jul-07   [Replies: 1, Views: 249]    By: Unnamed
any one know bout Bulk Metallic Glass (BMG)...
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PhysicsForums Edge, Screw, and mixed dislocations  
04:42 2-Jul-07   [Replies: 5, Views: 408]    By: Unnamed
Does anyone have an idea as to the relative abundance of each of these types? Why will one type occur over the other in a given situation? Thanks, -Scott...
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PhysicsForums Materials for VSM tube  
04:13 2-Jul-07   [Replies: 1, Views: 221]    By: Unnamed
I am designing temperature varying tube for VSM, especially high temperature. I don't have any experience on materials for this component. Please give me your idea about choosing material. Requirem...
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PhysicsForums transparent non-stick film?  
14:38 25-Jun-07   [Replies: 3, Views: 322]    By: Unnamed
Hello, I have a camera I am using to monitor some items, and the shield for it is exposed to a lot of mist (oil-based ink). An issue I am having is that this guard is quickly becoming covered, ren...
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PhysicsForums Magnesium aluminum alloys  
09:06 25-Jun-07   [Replies: 1, Views: 231]    By: Unnamed
How would one go about distingushing between magnesium alloys and aluminum alloys (physical characteristics)?...
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PhysicsForums Strengthening Aluminum  
15:14 23-Jun-07   [Replies: 10, Views: 736]    By: Unnamed
Periodically, I receive useful information on materials. This short note was sent from ASM. Two most common methods to increase the strength of aluminum alloys are to: Disperse second-phase consti...
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PhysicsForums low carbon steel  
18:31 21-Jun-07   [Replies: 6, Views: 472]    By: Unnamed
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 appreciated, thanks...
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PhysicsForums suiltible catalyst or alternative for obtaining potassium  
09:04 21-Jun-07   [Replies: 2, Views: 210]    By: Unnamed
i have a whole bunch of potassium chloride and will be getting more soon. ive been attempting to obtain pure potassium by electrolysing the molten potassium chloride. so far ihave tried using a ca...
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PhysicsForums searching for new strong mangets  
04:23 20-Jun-07   [Replies: 1, Views: 273]    By: Unnamed
i am actually searching for strong but light magnets. Every thing is magnet in itself, by using hysteresis loop we can know about magnetic properties of a substances, so i want know how to use hystere...
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PhysicsForums shell balance in spherical coordinates  
09:59 19-Jun-07   [Replies: 1, Views: 292]    By: Unnamed
I want to derive equation of continuity in spherical coordiantes based on shell balance,can anybody tell me where the hell this sin(theta) comes from? i don't want to transform from cartesian,...
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PhysicsForums Syngas  
01:38 14-Jun-07   [Replies: 3, Views: 395]    By: Unnamed
As most of you are probably aware, A 'new' gas is being studied to be burned in gas turbine (DLE) combustors. Syngas which is a mixture of CO and H2. I am currently involved with experiments investiga...
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PhysicsForums Electrically Inert Glue / Epoxy  
12:47 13-Jun-07   [Replies: 1, Views: 209]    By: Unnamed
Hi I'm looking for a super glue/epoxy that meets the following requirements: 1) when hardens is very very strong and durable and very resistance to abuse either mechanically or chemically etc 2)...
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PhysicsForums Tantalum  
10:43 13-Jun-07   [Replies: 1, Views: 248]    By: Unnamed
Hey there, I have to solder to tantalum for a project I'm working on. I hear this isn't easy with conventional solder. Is there a certain type of solder I should use, or should I go about a diffe...
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PhysicsForums selection of material for wind generator  
04:31 11-Jun-07   [Replies: 1, Views: 291]    By: Unnamed
sir i am tying to make a wind electricity generator, but i am confused about selection of material that i have to use for the project. can hysterisis loop help me? how? what the graph will show to me...
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PhysicsForums Fish hooks  
12:00 7-Jun-07   [Replies: 2, Views: 332]    By: Unnamed
I would like to know if it is possible to make a hook that would be transparent. I think this would be attractive to fishermen....
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PhysicsForums batch distillation  
04:35 7-Jun-07   [Replies: 3, Views: 494]    By: Unnamed
I need to know a few things. I am doing my internship and have been given a problem with very limited information. I have to decide whether to use packing or plates. The tower is to be used for severa...
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PhysicsForums Luders Band  
14:27 5-Jun-07   [Replies: 2, Views: 516]    By: Unnamed
Hi, first post! I have a first year exam tomorrow, but I can't find any where which gives a good explanation of the Luders Band displayed in low carbon steel. Can anyone shed any light? Thank...
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PhysicsForums Claus process  
08:52 3-Jun-07   [Replies: 0, Views: 328]    By: Unnamed
I have a rather uneasy question: Is the reaction the following? 2 H_2S + O2 = S_2 + 2 H_2O or 2 H_2S + O2 = 2S + 2 H_2O The dewpoint of S = 440 °C, but on my sketch I see the cat...
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PhysicsForums Does Electrical wire suffer 'wear' from electrons?  
18:16 30-May-07   [Replies: 5, Views: 383]    By: Unnamed
Hi all, First post, hope its in the right forum. My question is, does copper wire wear out from the movement of electrons? Do the electrons cause deterioration? Assume in a vaccum (no oxidiza...
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