heat of melting
81Joseph Skinger — History Joseph A. Skinger was born in Worcester, MA on March 16, 1911. He died in Stowe, VT January 1967. He moved from Worcester to Alburg Springs, Vermont permanently in 1946 following World War II. He had purchased his 1880’s house in the late …
82crucible — [kro͞o′sə bəl] n. [ML crucibulum, lamp, crucible, prob. < Gmc, as in OE cruce, pot, jug, MHG kruse, earthen pot (see CRUSE) + L suffix ibulum (as in thuribulum, censer), but assoc. by folk etym. with L crux, CROSS, as if lamp burning before… …
83heatshield — heat shield n. A barrier that prevents the heating of a space or an object by absorbing, reflecting, or dissipating external heat, especially a protective structure on a spacecraft or missile that dissipates heat on atmospheric reentry by melting …
84heatof fusion — heat of fusion n. The amount of heat required to convert a unit mass of a solid at its melting point into a liquid without an increase in temperature. * * * …
85tempering — Heat treating of metal alloys, particularly steel, to reduce brittleness and restore ductility. In tempering, steel is slowly heated to a temperature between 300 and 1,300 °F (150 and 700 °C), depending on desired properties, in an oil or salt… …
86Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
87steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
88Soldering — For the song, see Soldering (song). For the product, see Solder. Desoldering a contact from a wire. Soldering is a process in which two or more metal items are joined together by melting and flowing a filler metal (solder) into the joint, the… …
89glacier — glaciered, adj. /glay sheuhr/, n. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of… …
90Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… …
