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:
“A fool may be a dangerous customer, but the fact of his having such a vulnerable top-end turns danger into a first-rate sport; and whatever defects the old administration in Russia had, it must be conceded that it possessed one outstanding virtue—a lack of brains.”
—Vladimir Nabokov (1899–1977)
“The defects of the mind, like those of the face, grow worse with age.”
—François, Duc De La Rochefoucauld (1613–1680)
“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)