misrun

misrun

[mis′rən]
(metallurgy)
Incompletely formed casting due to premature solidification of metal before the mold is filled.
References in periodicals archive ?
In this case, the residual sand had prevented the normal passage of the molten metal, leading to a misrun defect in that particular area.
The DST-2 at 4,816 to 4,885 feet was a misrun, as the tool plugged immediately upon opening.
The latest STAR-Cast release includes enhancements in High Pressure Die Casting, Shell Molds for Investment Casting, Investment Casting Misrun Prediction, and Material Database.
The drill-stem test performed on April 4 was misrun due to mechanical problems, however, a subsequent test on April 5 appeared to have been mechanically successful.
If, for example, a misrun defect was observed in a casting and it was known that the metal was poured 45 degrees below the lower specification limit established for the part, then the cause would be assignable.
DST 1 was a misrun, and the results of DST 2 conducted on March 24, 2006 were an initial potential of 653 BOPD.
The software performs misrun formation predictions, including permeability-calculations for the "mushy zone," providing enhanced enmeshment techniques for designing thin-walled castings.
Software Features--Other software features include an automatic, 3-D tetrahedral mesh generator with a native CAD reader, a thermal solver with conduction, convection and radiation capabilities, a flow solver for sand erosion and turbulence, air entrapment, misrun and cold shut prediction, and a stress solver for residual stresses, distortions, hot tearing, cracks and die fatigue predictions.
17 runs were conducted with zero misruns and no HSE or quality incidents, which is an outstanding achievement," states the Completions and Well Intervention Coordinator, ConocoPhillips.
Wireline Engineering estimates that the Advanced Kickover Tool can deliver very significant cost savings as the risk of misruns and operating overruns is reduced.