Archive for the ‘Antimony’ Category
Wednesday, June 13th, 2007
Williams Advanced Materials provides materials in a variety of shapes and forms including Slugs, Starter charges, Crucibles, Targets - all configurations. Wire, Clips, Rod, Splatter, Random Shot, Tube
Other related services include:
· State-of-the-art Bonding Centers located worldwide.
· Refining and recycling of precious metal scrap.
· Complete metallurgical, chemical and functional test lab. ...
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Monday, March 12th, 2007
Although the reinforcement-to-matrix ratio may be varied between 30 - 70% and respectively 70 - 30% by weight, it is not unusual to also see several other materials incorporated with composites, as a means of further modifying the mechanical or physical properties of the moulded component.
These ‘additives’ - which may ...
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Monday, March 12th, 2007
The importance of seal design is widely understood in the process, aerospace, automotive and other industries. Often, when a seal fails, a considerable amount of money is involved in replacing it and in the most extreme cases process equipment worth tens of millions may have to be shut down until ...
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Monday, March 12th, 2007
Known and highly valued since ancient times, gold is found in nature as the free metal and in tellurides. It is widely distributed and is almost always associated with quartz or pyrite. It occurs in veins and alluvial deposits, and is often separated from rocks and other minerals by sluicing ...
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Monday, March 12th, 2007
Inkjet printing is one of the key technologies behind the direct writing revolution, spanning an ever-increasing number of applications. During recent years, print-head technology has turned academic research into a viable manufacturing solution. Modern inkjet technology allows accurate printing to form functional components through additive deposition of a variety of ...
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Monday, March 12th, 2007
Carbon-graphites offer the design engineer a unique family of mechanical materials. Manufactured entirely from carbon and including high temperature carbonaceous bonding, these materials combine the strength, hardness and wear resistance of carbon with the corrosion resistance and self lubricating properties of graphite. The precisely controlled inherent porosity of carbon-graphites can ...
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Monday, March 12th, 2007
It is not known when antimony was first discovered, although it was known to exist in compounds by ancient civilisations. It was known to exist is metallic form in the 17th century and possibly even earlier.
Antimony and several of its compounds are known to be toxic.
Occurrence
Although it is not a ...
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Thursday, January 4th, 2007
China has introduced new legislation aimed at limiting the building and expansion of tin, tungsten and antimony smelters.
The new regulations, which became law on January 1, will require smelters to use their own capital to fund 50% or more of any expansion.
In addition, permission to build or expand such smelters ...
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