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Thread: forging

  1. #1
    Associate Engineer
    Join Date
    Sep 2011
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    forging

    Does forging a part loaded in uniaxial compression make sense? I can understand forging a part that's under bending or transferring a load around a corner but if it's a straight compression isit worth the time and money? Does anyone have a handle on how to quantify the strength increase in 4340 0r 1045 from forging? And would that be along the grain? Transverse?

  2. #2
    Administrator Kelly Bramble's Avatar
    Join Date
    Feb 2011
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    Bold Springs, GA
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    Forged parts are beneficial in terms of cyclic loading in any direction. The grain flow structure of a forging is "true" or aligned with the part geometry, where a casting is isotropic or lacking grain direction. In a part manufactured from cold or hot rolled materials the grain flow direction is broken and not aligned with the end-item part geometry.

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