US4778733 1986年7月3日 1988年10月18日 Engelhard Corporation Alloy of copper, tin, and small amount of silver for plumbing pipes that is lead and arsenic freeUS4778733 * Jul 3, 1986 Oct 18, 1988 Engelhard Corporation Alloy of copper, tin, and small amount of silver for plumbing pipes ...
Silver- or silver-copper alloy-metal oxide composite material and process of producing the same ofA silver-metal oxide composite material comprising a silver matrix or silver-copper alloy matrix containing 50% by weight or less of copper, (a) from 0.5......
To solve the problem of mixing two types of alloys containing gold and silver in specific ratios to achieve a desired ratio, we can follow these steps:Step 1: Identify the Ratios of Gold and Silver in the Alloys - Alloy
The present-day use of metals is the culmination of a long path of development extending over approximately 6,500 years. It is generally agreed that the first known metals weregold,silver, andcopper, which occurred in the native or metallic state, of which the earliest were in all probability...
Sheffield plate, in metalwork, articles made of copper coated with silver by fusion. The technique was discovered about 1742 by Thomas Boulsover, a Sheffield (Yorkshire, Eng.) cutler, who noted that the combination of fused silver and copper retained all
aA current-carrying part shall be of silver, copper, a copper alloy, stainless steel, or other similar metal. 一个当前运载的部分将是银,铜,一铜合金,不锈钢,或者其他相似的金属。[translate]
electrum- an alloy of gold and silver pewter- any of various alloys of tin with small amounts of other metals (especially lead) pinchbeck- an alloy of copper and zinc that is used in cheap jewelry to imitate gold pot metal- an alloy of copper and lead used especially for making large ...
with 7-50 mass% silver-containing layer (layer comprising silver or a silver compound) is reduced to individual particles, thereby obtaining a silver-coated copper alloy powder which has a tap density of 5 g/cm3 or greater and in which the proportion of the tap density to the true density...
FIELD: metallurgy.;SUBSTANCE: alloys on the basis of copper can be used in jewellery industry. Alloy allows following content, wt %: gold 1.0-2.0; silver 3,4-4,0; platinum 1.0-2.0; indium 3.4-4.0; chicory 0.1-0.14; carbon 0.0001-0.00014; boron 0.02-0.03; copper - the rest. Castabilit...