solidification heat
71Histoire de l'entropie — Entropie Pour les articles homonymes, voir Entropie (homonymie). En thermodynamique, l entropie est une fonction d état introduite en 1865[1] par Rudolf Clausius dans le cadre du deuxième principe, d après les travaux de Sadi Carnot[ …
72Principe d'entropie — Entropie Pour les articles homonymes, voir Entropie (homonymie). En thermodynamique, l entropie est une fonction d état introduite en 1865[1] par Rudolf Clausius dans le cadre du deuxième principe, d après les travaux de Sadi Carnot[ …
73Electric resistance welding — (ERW) refers to a group of welding processes such as spot and seam welding that produce coalescence of faying surfaces where heat to form the weld is generated by the electical reistance of material vs the time and the force used to hold the… …
74Injection molding — (British: moulding) is a manufacturing process for producing parts from both thermoplastic and thermosetting plastic materials. Molten plastic is injected at high pressure into a mold, which is the inverse of the product s shape. After a product… …
75Die casting — An engine block with aluminium and magnesium die castings. Die casting is a metal casting process that is characterized by forcing molten metal under high pressure into a mold cavity. The mold cavity is created using two hardened tool steel dies… …
76Crystal growth — Crystallization Concepts …
77Continuous casting — The macrostructure of continuously cast copper (99.95% pure), etched, ∅ ≈ 83 mm. Continuous casting, also called strand casting, is the process whereby molten metal is solidified into a semifinished billet, bloom, or slab for subsequent rolling… …
78Rapid prototyping — For rapid software prototyping, see rapid application development. A rapid prototyping machine using selective laser sintering. Rapid prototyping is the automatic construction of physical objects using additive manufacturing technology. The first …
79Vacuum Arc Remelting — (VAR) is a secondary melting process for production of metal ingots with elevated chemical and mechanical homogeneity for highly demanding applications. [ Modeling for Casting Solidification Processing , by Kuang Oscar Yu,CRC; 1st edition… …
80chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… …
