solidification heat
31Zafer İlken — Infobox Person name = Zafer İlken birth date = 1960 birth place = Ankara death date = death place = residence = nationality = field = occupation = Rector of İYTE doctoral advisor = doctoral students = known for = societies = prizes = spouse =… …
32Antiquity of the World — Antiquity of the World † Catholic Encyclopedia ► Antiquity of the World Various attempts have been made to establish the age of the world. Two groups of scientists have especially busied themselves with this question: physicists and… …
33iron processing — Introduction use of a smelting process to turn the ore into a form from which products can be fashioned. Included in this article also is a discussion of the mining of iron and of its preparation for smelting. Iron (Fe) is a… …
34plastic — plastically, plasticly, adv. /plas tik/, n. 1. Often, plastics. any of a group of synthetic or natural organic materials that may be shaped when soft and then hardened, including many types of resins, resinoids, polymers, cellulose derivatives,… …
35Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… …
36Alliages d'aluminium pour fonderie — Les alliages d aluminium pour fonderie sont des alliages dont le constituant principal est l aluminium, destinés à être transformés par des techniques de fonderie. Ils sont souvent appelés « alliages légers » du fait de leur masse… …
37Chvorinov's rule — is a mathematical relationship first expressed by Nicolas Chvorinov in 1940[1], that relates the solidification time for a simple casting to the volume and surface area of the casting. In simple terms the rule establishes that under otherwise… …
38Soudage (Théorie) — Cet article aborde le concept d énergie de soudage, afin de décrire et de quantifier quelques spécificités du soudage que sont les phénomènes locaux de fusion et de solidification ainsi que l écoulement thermique et les effets qui en résultent.… …
39Earth exploration — Introduction the investigation of the surface of the Earth and of its interior. By the beginning of the 20th century most of the Earth s surface had been explored, at least superficially, except for the Arctic and Antarctic regions. Today the… …
40Spray forming — Spray forming, also known as spray casting, spray deposition[1] and in situ compaction,[2] is a method of casting near net shape metal components with homogeneous microstructures via the deposition of semi solid sprayed droplets onto a shaped… …
