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Recent content by matt425

  1. matt425

    Corrosion of Chrome Plated Stainless Steel Part

    Thanks for the suggestions, did I mention that the part is very cost sensitive? It is also difficult to forge. And, its made in China. I did notice that one of the coating suppliers has a licensee in China. I'll give them a shout. We are currently getting by with a zinc-plated medium carbon...
  2. matt425

    Corrosion of Chrome Plated Stainless Steel Part

    I have a part that is still in development. It is made of a martensitic stainless. It is chrome plated. Some moderate percentage of these parts fails in the field. It is a type of M5 fastener. The parts that failed in the field showed visible corrosion on maybe 20% of the fracture surface, but...
  3. matt425

    Galvanizing of Die Cast Aluminum

    The spangled appearance is what we are looking for. The parts currently are plated to get a uniform silver or gold color.
  4. matt425

    Galvanizing of Die Cast Aluminum

    We use small die cast AL380 parts that are plated. We would like to get a galvanized appearance for some of these parts. Is it possible to galvanize aluminum? Is there another coating anyone can recommend to get this appearance? It is an outdoor application, but the conditions are not overly...
  5. matt425

    Extruded PET mechanical properties

    You might want to try to contact Eastman or DuPont. They should have the information, even if they don't put it in their literature. For test methods, ASTM D638 is for Tensile Properties of Plastics, ASTM D882 is Tesile Properties of Thin Plastic Sheeting (<0.04 in thickness,) D2838 is Shrink...
  6. matt425

    Drying of textile?

    There is a National Textiel Center Report from September 1994 called Electrotechnology Applications in Textile Manufacturing that covers some textile drying research. I think I have a .pdf file of this report if you want it. I got it off the web, I don't remember where.

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