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Recent content by corvuscorax

  1. corvuscorax

    Bonding plasticized clear PVC parts themselves and acrylic. Alternatives?

    Heyo, We're producing a product that is to be made of plasticized clear PVC, Shore 65A. It is a clamshell-assembly with a mating-groove to fixture the parts while they are bonded. The joint is expected to receive a LOT of abuse, mainly impact and flexion, at temperatures from between 0F to 120F...
  2. corvuscorax

    >1500F Elastomer?

    We've measured the temperature of the surface of the burning wick @ just over 1000F with similar numbers along the suspension cord. Max sustained flame temp was measured at 1600F. Correct, it's primarily a tensile load combined with abrasive interactions between the cord (0.250 dia) and its...
  3. corvuscorax

    >1500F Elastomer?

    Heyo, I'm using braided carbon fiber cord as a load-bearing member for open-flame lanterns. The carbon cord is directly exposed to open flame at temperatures that exceed 1500F). The carbon stands up to the heat beautifully, indefinitely, but it's poor abrasion resistance leads to failure over...
  4. corvuscorax

    Optically clear, castable silicone rubber for juggling spheres.

    Another important characteristic I'm looking for is a shore hardness of around 25-A
  5. corvuscorax

    Optically clear, castable silicone rubber for juggling spheres.

    Hey, I'm looking for a cost-effective silicone-rubber solution for a run of juggling spheres. The rubber should be as optically transparent as possible as I will be casting various objects inside of them. It needs to have high tear/stretch/abrasion resistance characteristics as these will be...
  6. corvuscorax

    Titanium alloy (Ti-6Al-4V) Thermomechanical/chemical properties

    A valid suggestion... The original was 2.75 OZ, and I can theoretically bring it down to around 1.54 OZ with 1.2mm wire. The same chain produced from 1.2 mm titanium wire would be .89 OZ though, which is tough to pass up. As mentioned, it is also completely conceivable that the ring materials...
  7. corvuscorax

    Titanium alloy (Ti-6Al-4V) Thermomechanical/chemical properties

    I'm hoping for between 1.2 and 1.6mm wire formed into circular 6.5-8mm I.D. rings... Previous designs used 8.7mm ID X 1.6mm wire rings made from 304 spring-tempered steel and were simply too heavy, but were also structurally overkill. Since you mentioned it, I looked up hypodermic tubing...
  8. corvuscorax

    Titanium alloy (Ti-6Al-4V) Thermomechanical/chemical properties

    I'm designing some chains for a fire-juggler who attaches Kevlar wicks to the end and spins them as a sort of martial-art... The wicks and hardware immediately attached to it can experience temperature excursions of up to 400-500 Celsius (800-1000 Fahrenheit) for periods of 3-4 minutes. My...

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