Archive for the ‘Copper’ Category
Saturday, February 2nd, 2008
Lower-cost, More Efficient Manufacturing Brings Down the Cost of Solar Installations
The hottest buzz-word in energy circles these days has got to be “renewables,” which refers, of course, to energy sources that can be regenerated, like biofuels, as well as physical sources, like wind, hydro, geothermal and solar, which cannot be ...
Posted in Copper | Comments Off
Saturday, February 2nd, 2008
They’re attractive, and they’re actually quite convenient once you get used to them.
The U.S. Mint is betting it’s got it right this time. On February 15 ― just in time for Presidents’ Day ― the Mint placed into circulation the first of its new golden dollar coins featuring, for the ...
Posted in Copper | Comments Off
Saturday, February 2nd, 2008
In a previous paper1, we discussed the role of copper in maintaining hospital cleanliness in the fight against hospital-acquired (or nosocomial) infections. In this paper we will discuss the use of a copper salt and hydrogen peroxide to sterilize surgical instruments against deadly prion protein contamination and transmission. Recent studies ...
Posted in Copper | Comments Off
Thursday, December 27th, 2007
Copper has been the most common alloying element almost since the beginning of the aluminum industry, and a variety of alloys in which copper is the major addition were developed. Most of these alloys fall within one of the following groups:
* Cast alloys with 5% Cu, often with small amounts ...
Posted in Copper, Aluminum Alloys | Comments Off
Friday, December 7th, 2007
We are going to cover some rather technical terms like: alloy, temper, hardness, gauge and finish. Please stick with me through this brief article and you will really know what kind of copper you need for your application.
Alloy. Copper sheet, foil, bar, rod and tube is available in many different ...
Posted in Copper | Comments Off
Friday, December 7th, 2007
Copper is perhaps one of the most important materials in the world because it is used for electricity and computers. It is also one of the main businesses of the world’s largest economies, including the United States and Canada. Countries such as Chile, Zaire, Zambia, and Poland also produce significant ...
Posted in Copper | Comments Off
Tuesday, November 20th, 2007
Known worldwide copper resources are estimated at nearly 2.6 trillion kilograms (5.8 trillion pounds), of which only about 12 percent (300 billion kilograms; 804 billion pounds) has been mined throughout history. Nearly all of this mined copper is still in circulation, as copper's recycling rate is higher than that of ...
Posted in Copper | Comments Off
Monday, November 5th, 2007
EW YORK -- Mexican copper giant Grupo Mexico SA de CV has completed a study into the Tia Maria copper mine in southern Peru.
Development of the mine, which will produce copper cathode through the solventextraction/electrowinning (SX/EW) process, could start in about two years, the company said in a statement Wednesday. ...
Posted in Copper | Comments Off
Monday, November 5th, 2007
Nexans announced it has researched the design of and created a model for 10GBASE-T data traffic over 100 meters of Category 6 copper UTP cable
Created in a joint project with Penn State University, and funded by the International Copper Association (ICA), this system design models the process data transformation into ...
Posted in Copper | Comments Off
Monday, November 5th, 2007
U.S. exports of copper scrap increased to a record 589,000 metric tons in 2003, a 35 percent increase over the 511,000 metric tons shipped in 2002, according to the data from the U.S. International Trade Commission.
Chinatook in a staggering 70 percent (approximately), or 482,000 metric tons, of the total. Including ...
Posted in Copper | Comments Off