MT Indication Question

  • Posted by kenton on 13/02/2022 at 11:05 am

    I am seeking info regarding the indications shown in the image.

    This is a training test piece for MT; however, I have also observed similar indications when testing aircraft bolts and other components (strut fittings, etc). They are straight, linear with no visible indication under a microscope.

    I am looking to see what is causing these indications.

    Any advice will be greatly appreciated. Thanks!

    kenton replied 1 year, 4 months ago 1 Member · 0 Replies
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