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  • Users: metrat
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  1. metrat

    Silver Plate Hardness

    I have many components that get silver plated, per either AMS-2410 or AMS-2412. I have tried to do some microhardness testing to determine the hardness of the plating, but get values that are suprisingly low. Anyone have a rough idea of how hard I should expect the plating to be?? Any info...
  2. metrat

    Japan Hayes Vacuum Furnaces

    I currently work with a vacuum tempering furnace manufactured by a company called Japan Hayes, located in Japan. As I understand it there was a licensing agreement with C. I. Hayes of Rhode Island, but that C.I. Hayes has nothign to do with this company. I am interested if anyone else is...
  3. metrat

    VOC Definition and Impact

    I'm evaluating some different rust preventative oil and need to better understand the impact and effects of volatile organic content. I am concerned that products with a higher VOC content will provide less protection, due to the evaporation of the volatiles. If a product has a higher VOC...
  4. metrat

    1010 rivet hardness

    I have a requriement for maximum hardness of cold formed aisi 1010 rivets to be 60 HRB. Many of these rivets are very small, 0.020" diameter and 0.125" long. I am not able to consistenly get them to a hardness below 60 HRB. I have looked at mateiral chemistry variation, tried...

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