Tungsten in Electronics and Electrical Devices
Tungsten is vital in electronics and electrical devices due to its special properties. Here’s how it's used:
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Electrical Contacts
Tungsten is perfect for electrical contacts because it conducts electricity well and can handle high temperatures without deforming. This makes it ideal for switches, relays, and connectors, ensuring they work reliably.
X-Ray Tubes
In X-ray tubes, tungsten is used in the anode. Its high melting point and good heat conductivity help in dissipating heat efficiently, making it essential for medical imaging, industrial inspection, and scientific research.
Heating Elements
Tungsten is also used in heating elements for vacuum furnaces and semiconductor equipment. Tungsten heating elements high melting point and stability ensure uniform and controlled heating, improving efficiency and reliability in thermal processing.
In summary, tungsten’s unique qualities make it indispensable in enhancing the performance and reliability of electronic and electrical devices.
Tungsten in Aerospace and Defense
The aerospace and defense industries rely heavily on tungsten for its exceptional properties. Here’s how tungsten is used:
Aerospace Components
Tungsten alloys are used in aerospace for engine parts, ballast weights, and radiation shielding. Their high density, strength, and heat resistance make them perfect for withstanding extreme conditions, ensuring the safety and efficiency of aircraft and spacecraft.
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Armor-Piercing Ammunition
Tungsten is crucial in making armor-piercing ammunition. Its density and hardness allow the creation of projectiles that can penetrate armored targets effectively, enhancing the capabilities of defense systems and providing reliable, powerful weapons.
Radiation Shielding
In aerospace, tungsten is used to absorb and shield against radiation. Tungsten alloys protect sensitive electronics and astronauts from cosmic radiation during space missions, playing a critical role in ensuring safe and successful space exploration.
In summary, tungsten’s unique properties make it indispensable in aerospace and defense, enhancing safety, performance, and reliability in critical applications.
Tungsten in the Automotive Industry
Tungsten is crucial in the automotive industry due to its special properties. Here’s how it's used:
Engine Components
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Crankshafts and Pistons: Tungsten's strength, hardness, and heat resistance make it perfect for these parts. This improves engine performance and longevity.
Lighting Components
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Halogen and LED Bulbs: Tungsten filaments are used in halogen bulbs for their heat resistance and long lifespan. This improves visibility and safety on the road.
Balancing Weights
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Optimizing Balance: Tungsten is used in balancing weights to balance wheels and tires. This reduces vibrations and improves driving comfort and performance.
In summary, tungsten plays a vital role in enhancing various automotive components, leading to better performance, safety, and driving experience.
Tungsten in Medical and Healthcare
Tungsten is essential in the medical and healthcare industries for various applications. Here's how it's used:
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X-Ray Shielding
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Protecting Against Radiation: Tungsten is used in X-ray shielding materials to keep patients and healthcare workers safe from radiation during medical imaging. Its high density and radiation-absorbing properties make it ideal for this purpose.
Radiation Therapy
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Precision Treatment for Cancer: Tungsten alloys are used in radiation therapy machines to deliver precise doses of radiation to cancerous tissues while minimizing exposure to healthy tissues. This helps in treating cancer more effectively and improving patient outcomes.
Surgical Instruments and Implants
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Durable and Reliable: Tungsten is used in surgical instruments and implants because it's biocompatible and resistant to corrosion. It's used in orthopedic implants, dental instruments, and surgical tools, providing long-lasting and reliable solutions for patient care.
I'm looking to weld some stainless steel (304L) woven wire mesh, like this stuff (http://www.inoxia.co.uk/rw/category/9.aspx to a stainless steel frame.
The wire mesh ranges from 0.9mm (20SWG) wires spaced every 6mm, to 30μm (49 SWG) wires spaced 400 per inch, and everything in between. The frame is likely to be something like 3mm flat bar, or 1.5mm walled box section (30mm box).
So, questions:
1) I'm sure the 0.9mm wires will weld to the bar or box with no trouble, but how fine could I really get away with, surely you can't weld a woven mat of 0.03mm thick wires?
2) What sort of technique and set up should I use on the welder? I don't own the machine yet, but thinking this one should have the right selection of dials to get something to work. http://www.r-techwelding.co.uk/welding_equipment/Tig_Welder/Tig_Welder_R-Tech_Tig200PDC
I did manage to work out today from research, that a laser welder would be ideal, and that they cost a pretty penny, so looks like TIG is the only affordable choice.
I will really appreaciate any advice on this tricky weld.
Tricky it will be, I've welded a lot of .9mm perforated sheet and that's not fun to begin with.
I would start the arc off on a 1.6mm rod and move it the mesh, you want 20/30amps 1.6mm tungsten with a very sharp point, I would also play with some bits, as you will burn a lot of mesh before you get the hang of it. I would also go with the 1.5 box as 3mm will be no fun at all
With TIG you can weld anything, I worked with a welder who could weld the tin foil on his cheese and ham sandwiches without melting the cheese. I prefer using a standard inverter welder with no pulse or any tig controls. Lift Tig. You wont need any filler, turn it down to 10 amps, the smallest tungsten you can find and turn the gas to about 5lpm for the mesh.
For the welder I personally would go for THIS and THIS to make it a TIG. I am slightly against R-Tech because I bought a DC tig 5 minutes of welding DEAD, sent it back, got a new one 10mins welding DEAD. in the end I just got a refund
If you do need any help with it just PM me.
Sorry for the long post
OutCastReddyBoy
i'm sure it can be done with tig ,but i did some mesh at work with a gas torch and silver solder was much quicker and easier than tigging ,as for filler rods there are much more knowledgeable people than me on here ,i do know the rods weren't cheap.It may be an alternative to consider ?...