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  • Users: Fracball
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  1. Fracball

    Undersize 316 Shaft Repair

    I have a shaft made from cast 316 SS which has been machined undersize approximately .035 inch. The undersize surface is used to support a roller bearing. It has been recommended to buildup this surface by "spray welding" and then re-machine to the correct diameter. Is spray welding the...
  2. Fracball

    Macro & Micro Tests?

    Hello: I frequently see the terms “macro” and/or “micro” on material certification reports. What do these terms mean? Are these terms related to a UT inspection? Thanks in advance for the help, Fracball
  3. Fracball

    Open Channel Flow

    Hi: Could someone please give an equation or cite a reference that discusses open channel flow where the liquid in the channel is not water. I need to determine the flow capacity of a channel that conveys fluid with SG > 1 and maximum solids content of about 20% with the maximum solid size...
  4. Fracball

    Beam Web Stiffeners

    Hi: I’ve got a W beam with the top flange subjected to a compressive load that’s distributed over the length of the beam, and I am checking to see if web stiffeners are needed. The ends of the beam are restrained from rotating. I’ve checked for web yielding and web crippling per 9th edition of...

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