Defects
In hot rolling, if the temperature of the workpiece is not uniform the flow of the material will occur more in the warmer parts and less in the cooler. If the temperature difference is great enough cracking and tearing can occur.
Read more about this topic: Rolling (metalworking)
Famous quotes containing the word defects:
“We often make use of envenomed praise, that reveals on the rebound, as it were, defects in those praised which we dare not expose any other way.”
—François, Duc De La Rochefoucauld (1613–1680)
“We should endeavor practically in our lives to correct all the defects which our imagination detects.”
—Henry David Thoreau (1817–1862)
“The machine is impersonal, it takes the pride away from a piece of work, the individual merits and defects that go along with all work that is not done by a machine—which is to say, its little bit of humanity.”
—Friedrich Nietzsche (1844–1900)