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My experience is that the more you try to protect the aluminum the worse the corrosion gets. The only way to really protect the aluminum is to isolate it from dissimular metals. The key is surface area. Your going to have some fasteners at least that are exposed. This is a minor surface area...

Bartz, This is just a thought, Have you ever considered an arc spray aluminum system? It's great on a Steel structure, I've personally used it on steel structures in the salt spray zone and if its applied properly and painted it's at least a 10 year coating.

Ivan, A 220 volt relay just requires that you switch both legs off and on. Their are many small coil type "Contactors" that do this. All the major brands such as Siemans, Honeywell, etc have them. You can find them in McMaster Carr, or Grainger, in fact you might try a solid state...

goose212, I recomend that you use some modeling software that will allow you to model the full formed 3d shape of the orthopaedic device. Then design a load set that best approximates the ISO loads or what might be real life. Use these loads to simply look at the relative stiffness and...

Is the C-arm display video? NTSC or PAL? Std Video Coax? If so it's possible to place a video capture card in the computer sending the video from camera to computer and back out to the c-arm display. The software that comes with the capture card will normally allow an individual capture or even...

Speedy, The knee is a complex joint kind of like a spur gear some rolling and some sliding. Worked for almost 3 years at a lower limb prosthetics component company. Have designed ankle and knee joints and we had a few looks at joints that replicated the real knee. The problem is that...

Beth, Have used successfully the 17-4 and 15-5 precipitation hardened alloys at H1100 (17-4) condition in seawater applications. The real question is; What is the specific application? None of the stainless materials including 316 really perform well in long term submergence in deep water...

In a hydraulic system system pressure is determined by resistance to flow and the low resistance section of the circuit usually gets the flow and determines the pressure. RPM of a motor is determined by displacement and flow. If the displacement is fixed, ie not a variable displacement motor...

Check out a "flock of birds" I remember it's system to track multiple points in an area with magnetic sensors. I'm note exactly sure of the range, I think it's about 8 ft. previous system could track multiple objects, position and orientation. We used it once to track a laser...

B & B electronics has serial port and Parallel port data IO devices. They are very inexpensive and we've used them lately with sucess. Devices often include both Input channels and output channels so feedback is no problem. Amool and nbucska should both check out their website and get a copy...

Scbiomed, Abendrinal, What kind of bio-engineering do you do. What is your experience level. What are your latest projects or technical challenges. We're developing in house process equipment and have addressed almost all in house processes at least at some level from putting into place...

I know of two packages that have image processing / recognition type functionality. There are probably more. Try Euresys: EVision http://www.euresys.com or Sherlock http://www.vision1.com/software/sherlock.shtml We've hired a consultant who has much image processing experience...

1. Are you interested in functional properties, ie those that would relate to the ability of the liver to function or mechanical properties of liver tissue. 2. If it's functional properties I would investigate reverse osmosis materials or membranes,catalytic reactions, replacement filters,and...

Check out the website http://www.alhyde.com/Adhesivechart.htm