- copper casting
- 铜铸件
English-Chinese machine dictionary (英汉机械大词典). 2013.
copper casting
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Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… … Wikipedia
Copper metallurgy in Africa — encompasses the study of copper production across the continent and an understanding of how it influenced aspects of African archaeology. Contents 1 Origins 2 Ore Sources 3 Mining and Processing … Wikipedia
Copper Bull — The Copper Bull on display Material Copper Size Length: 60.96 cm Height: 60.96 cm Created 2600 BCE Dis … Wikipedia
COPPER — Copper was the first metal humans learned to work with. The earliest evidence comes from Cayonu in southeast Turkey (late ninth or early eighth millennium B.C.), where small items of jewelry were made from cold hammered nuggets. Large scale… … Historical Dictionary of Mesopotamia
Casting copper — Casting copper. См. Литейная медь. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) … Словарь металлургических терминов
Copper — For other uses, see Copper (disambiguation) … Wikipedia
copper processing — Introduction use of smelting or leaching, usually followed by electrolytic refining or recovery, 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 copper and of its… … Universalium
Casting defect — A casting defect is an irregularity in the metal casting process that is undesired. Some defects can be tolerated while others can be repaired otherwise they must be eliminated. They are broken down into five main categories: gas porosity,… … Wikipedia
Casting — This article is about the manufacturing process. For other uses, see Casting (disambiguation). For molding plastics, see Molding (process). Casting iron in a sand mold … Wikipedia
copper work — ▪ art tools, implements, weapons, and artwork made of copper. Copper s discovery precedes recorded history, and it was the first metal that was used in fashioning tools and weapons. Its use dates at least from 4000 BC in Chaldea, and… … Universalium
Lost-wax casting — A model of an apple in wax … Wikipedia
