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A casting defect is an undesired irregularity in a metal casting process. Some defects can be tolerated while others can be repaired, otherwise they must be eliminated. They are broken down into five main categories: gas porosity, shrinkage defects, mould material defects, pouring metal defects, and metallurgical defects.
U.S. patent 2,731,011 Stove Construction - 17 Jan 1956 U.S. patent 3,169,517 Cooking Range of the Sliding Drawer Type - 16 Feb 1965 U.S. patent 3,414,708 Forced convection oven - 3 Dec 1968
Additionally, the range of axial orientations in the directional solidification starting block should be minimized in order to successfully grow a single crystal. [12] This is difficult depending on the range of orientations in the DS starter block, and therefore makes orientation control a large area of focus.
A college football player with a history of sexual assault raped a 17-year-old girl aboard a Carnival Cruise ship as she was celebrating the holidays with her family — before heartlessly asking ...
In metallurgy, cold forming or cold working is any metalworking process in which metal is shaped below its recrystallization temperature, usually at the ambient temperature.. Such processes are contrasted with hot working techniques like hot rolling, forging, welding, etc. [1]: p.375 The same or similar terms are used in glassmaking for the equivalents; for example cut glass is made by "cold ...
U.S. President Joe Biden on Thursday said he hoped President-elect Donald Trump would rethink his plan to impose tariffs on Mexico and Canada, saying it could "screw up" relationships with close ...
The 40-year-old Vonn lost time at the start of the race but then was competitive with the top-five finishers the rest of the way down. Lindsey Vonn took all of 20 seconds to regain her former ...
Hot metal typesetting was developed in the late nineteenth century as a development of conventional cast metal type. [4] The technology had several advantages: it reduced labour since type sorts did not need to be slotted into position manually, and each casting created crisp new type for each printing job.