core melting

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• Melting point depression — is a term referring to the phenomenon of reduction of the melting point of a material with reduction of its size. This phenomenon is very prominent in nanoscale materials which melt at temperatures hundreds of degrees lower than bulk… …   Wikipedia

• core melt — core melt, the melting of the core of a nuclear reactor; meltdown …   Useful english dictionary

• Melting-point depression — This article deals with melting/freezing point depression due to very small particle size. For depression due to the mixture of another compound, see freezing point depression. Melting point depression is a term referring to the phenomenon of… …   Wikipedia

• Core (manufacturing) — A core is a device used in casting and molding processes to produce internal cavities and reentrant angles. The core is normally a disposable item that is destroyed to get it out of the piece.[1] They are most commonly used in sand casting, but… …   Wikipedia

• Melting pot — For other uses, see Melting pot (disambiguation). The image of the United States as melting pot was popularized by the 1908 play The Melting Pot. The melting pot is a metaphor for a heterogeneous society becoming more …   Wikipedia

• core meltdown — n. melting down of the radioactive core in a nuclear reactor because of insufficient cooling that leads to the escape of radiation …   English contemporary dictionary

• Inner core — Earth cutaway from core to exosphere. Partially to scale. The inner core of the Earth, its innermost hottest part as detected by seismological studies, is a primarily solid ball about 1,220 km (760 mi) in radius,[1] …   Wikipedia

• Fusible core injection molding — or Lost Core injection molding is a specialized plastic injection molding process. It is used in the manufacture of molded components with cavities or undercuts, which would not be possible with tools having demoldable cores.DescriptionThe… …   Wikipedia

• ice core — ▪ geology Introduction       long cylinder of glacial ice recovered by drilling through glaciers in Greenland, Antarctica, and high mountains around the world. Scientists retrieve these cores to look for records of climate change over the last… …   Universalium

• Gas core reactor rocket — Gas core reactor rockets are a conceptual type of rocket that is propelled by the exhausted coolant of a gaseous fission reactor. The nuclear fission reactor core may be either a gas or plasma. They may be capable of creating specific impulses of …   Wikipedia

• Outer core — Earth cutaway from core to exosphere. Partially to scale The outer core of the Earth is a liquid layer about 2,266 kilometers thick composed of iron and nickel which lies above the Earth s solid inner core and below its mantle. Its outer boundary …   Wikipedia