Geodex Minerals Recently Reported the Drilled Results in New Brunswick
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- Category: Tungsten's News
- Published on Monday, 22 July 2013 19:07
Exploration company Geodex Minerals recently reported the results from three of six holes drilled on its Dungarvon property in New Brunswick.
Of the holes drilled, the best is “DU-13-03". Geodex Minerals is currently exploring the Peaked Mountain target at Dungarvon.
Where it was able to locate the source of numerous large and high-grade tungsten-molybdenum bearing boulders, as well as tungsten-tin soil anomalies.
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Cadillac Will be Moving Forward with the Summer Tungsten Exploration Program
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- Category: Tungsten's News
- Published on Monday, 22 July 2013 18:55
Recently, Cadillac released an update15 to the resource estimate at the property filed in 2009. From the new report, the indicated tungsten resource at Burnt Hill has seen an increase of 282 percent.
Bringing the number to 1,761,000 indicated tonnes of 0.292-percent WO3, 0.007-percent MoS2 and 0.008-percent SnO2.
The resource estimate has also seen an increase to the inferred category of 158 percent for a total of 1,520,000 inferred tonnes of 0.263-percent WO3, 0.008-percent MoS2 and 0.005 -percent SnO2 .
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Cadillac Working on Resuming Development at Tungsten Project
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- Category: Tungsten's News
- Published on Monday, 22 July 2013 18:47
Cadillac Ventures is not a household name when it comes to tungsten. The Canadian exploration company has been primarily focusing its efforts on copper13 in Ontario.
However, Cadillac Ventures does hold a 51-percent interest in a tungsten property in New Brunswick called Burnt Hill.
The Burnt Hill project is a tungsten-tin14 mine that was brought to test production in the 1980s; currently, Cadillac is working on resuming development at the project.
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Tungsten Carbide Cobalt (WC-Co, Cemented Carbide) Nanoparticles – Properties, Applications
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- Category: Tungsten's News
- Published on Monday, 22 July 2013 09:47
Nanoparticles exhibit unexpected behavior that cannot be achieved with basic elements in their original states. These unexpected properties of nanoparticles have expanded their applications to the field of cosmetics, biomedicine, electronics, etc. This article will look into the properties and applications of tungsten carbide-cobalt nanoalloy.
Tungsten carbide-cobalt is an alloy of hard, ceramic tungsten carbide and the ductile cobalt, often known as cemented carbide. The material is a metal matrix composite, in which cobalt particles are ambedded in a tungsten carbide matrix. The tungsten carbide can form as WC or WC2, depending on synthesis conditions. Cobalt content varies from around 1% to 30% by weight, depending on application.
Some of the noteworthy properties of this alloy are strength, hardness, high electrical and thermal conductivity and high malleability and ductility. Tungsten is a Block D, Period 6 element, cobalt is a Block D, Period 4 element and carbon is a Block P, Period 2 element. These particles are available in a variety of forms such as ingots, foils, sputtering targets and plates.
The chemical properties of tungsten carbide-cobalt nanoparticles are as per the table below.
Chemical Data |
|
Chemical symbol | WC-Co |
CAS No | - |
Group |
Tungsten 6 Carbon 14 Cobalt 9 |
Electronic configuration |
Tungsten [Xe] 4f14 5d4 6s2 Carbon [He] 2s2 2p2 Cobalt [Ar] 3d7 4s2 |
Tungsten carbide-cobalt nanoparticles appear as a black powder having nearly spherical morphology. The physical properties are as below.
Properties |
Metric |
Imperial |
Density |
3.9 g/cm3 |
0.14 lb/in3 |
The thermal properties of tungsten carbide-cobalt nanoparticles are provided in the table below.
Properties |
Metric |
Imperial |
Melting Point |
2867°C |
5192°F |
Boiling Point |
6000°C |
10832°F |
Some of the applications of tungsten carbide-cobalt are given below:
For press and sintering purposes
Making of chip-less forming tools
Mixed with coatings to enhance their hardness and strength
Production of mining, cutting tools and other wear resistant machine parts.
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Japanese Tungsten Market On July 19,2013
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- Category: Tungsten's News
- Published on Monday, 22 July 2013 09:23
Japanese tungsten market not improve.
Japanese economy recovers slowly and tungsten market sees little improvement. Most traders and consumers watch the market when the prices for China tungsten products keep increasing, and they have no plan to make purchasing in the following two months. A Japanese trader reported that Japanese tungsten market remained quiet and almost no new deals in downstream market.
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Tungsten Concentrate Market On July 19,2013
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- Category: Tungsten's News
- Published on Monday, 22 July 2013 09:18
China tungsten concentrate market inactive with stable prices.
China tungsten concentrate prices are stable as whole this week although China Minmetals raise offers further. Most of the downstream customers are inactive in holding stocks in large quantities and watch the market for a while.
Moreover, the suppliers are unwilling to sign long-term orders, and prefer to sell in the spot market by cash.
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European Ammonium Paratungstate Market (APT Market) On July 19,2013
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- Category: Tungsten's News
- Published on Monday, 22 July 2013 09:14
European ammonium paratungstate prices(APT prices) unchanged, market silent.
Offering prices in the European ammonium paratungstate market(APT market) have held unchanged over the past two weeks, ranging between USD405-410mtu in warehouse Rotterdam as of Thursday.
However, the thinly traded European spot market is putting pressure on stockholders, especially as the slower summer months limited sales further, and as a result some sales have been concluded in the lower range of USD400-405mtu in warehouse Rotterdam.
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Ammonium Paratungstate Market (APT Market) On July 18,2013
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- Category: Tungsten's News
- Published on Friday, 19 July 2013 16:07
Ammonium paratungstate market runs slowly in China.
According to the ammonium paratungstate market( APT market) participants in China, the ammonium paratungstate prices(APT prices) are stable this week, and the APT market runs slowly.
Currently, most of the APT suppliers hold wait-and-see attitudes and are inactive in selling materials at present.
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Ammonium Paratungstate Market (APT Market) On July 19,2013
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- Category: Tungsten's News
- Published on Friday, 19 July 2013 16:03
China ammonium paratungstate market(APT market) sees some higher offers.
China ammonium paratungstate market(APT market) sees some higher offers this week, but the trading volume does not sees any obvious improvements now.
It is said that tungsten concentrate and APT offers last week, and it is expected that the market will move up slightly in the near future.
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Did China Control Global Rare Earth or Not?
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- Category: Tungsten's News
- Published on Friday, 19 July 2013 14:28
From 2007, China began to carry out perspective planning on production of rare earth and reduced export. That caused strong response from western countries. They required China to abolish limitation on rare earth export.
However, recently, a report in the U.S. showed that accusation on China controlling global rare earth is fictitious. In fact, Chinese rare earth made up only one-third of global reserves. The U.S. and Europe also had large amounts of rare earth, but they hided those rare earth.
n recent years, every import country of rare earth was always advocating speeches that reserves, production and export of Chinese rare earth were the first, all of rare earth in China and China monopolized supply of rare earth around the world. They regarded China as a state which had storage of rare earth and encouraged China to continue or increase the present tendency of low price export.
China began to limit export of rare earth. Those states which bought Chinese rare earth at low price for a long time show their protest to China through various channels. Because their own profits were decreased and some schemes were even broke down.
According to report from Japan’s Kyodo News Agency, Sankei Shinbun and other Japanese medium, the third ministerial Japan-China high-level economic dialogue will be held in Beijing on July 28. Japan will require China to relax restrictions on rare earth export. Before that, the U.S. and Europe had already raised the same claim.
In March, Mike Kaufman, congressman in the U.S. claimed that China had the ability to kidnap the U.S. market. He appealed government for protesting against China and buying 5 years’ rare earth reserves from China before the price soaring. In June, EU published a report that raw materials like rare earth had great significance for economy development in EU. Pressure on related industries was continuing to increase for reduction in Chinese rare earth export. The U.S. and Europe also lodges a complaint with WTO that China restricted export of rare earth which used for manufacturing steel or other products.
Were Chinese rare earth reserves really dominant as other states claimed? Did China really want to control international market by restricting rare earth export? Chinese data had already given the answer. But it was not accepted by other states. The U.S. report which published last month gave contradiction against those protests.
Marc Humphries, an analyst of energy policy in the U.S., submit a report named as Rare Earth Elements: Global Supply Chain to Congress. The report analyzed the usage of rare earth, global supply chain of rare earth and legislation to rare earth in the U.S. in detail. China appeared frequently. There were two chapters which headlines were Role of China and Challenge of China on Export Policy. The report also listed related data on Chinese rare earth in 2009 particularly.
Chart on Global Rare Earth Production and Export on page 6 of report showed clearly. In 2009, Chinese rare earth reserves were 36 million tons, accounting for 36% in the world. Production was 1200 thousand tons, accounting for 97% in the world. Compared with China, American rare earth reserves were 13 million tons, accounting for 13% in the world. Production is zero. Russian rare earth reserves were 19 million tons, accounting for 19% in the world. Production was zero. Australian reserves were 5.4 million tons. Production was zero too. Indian reserves were 3.1 million tons, making up 3% in the world. Production was 2700 tons, making up 2% in the world.
The report also referred to the mine at Mountain Pass, California. Production of mine used to be 20 thousand tons. The mine had already been closed for low price rare earth from China. It is said that Chinese rare earth export was decreased from 50 thousand tons in 2009 to 30 thousand tons in 2010, by reducing mining quantity, striking illegal mining activity, and using quota and export tax to restrict export. A huge gap of rare earth supply and demand would appear around the world. Every state was in urgent need of seeking other import channels for rare earth to answer Chinese measures.
Form the data, we can see that both the U.S. and Russia are higher than China. China produced 97% of global rare earth by utilizing its reserves which are only one-third of the world. The relationship between reserves and production is unequal. While the U.S. has 13% of global rare earth resources, it depends on import absolutely. So the version that Chinese restrictions on rare earth export causing rare earth short supply in some states is fictitious. Truly, they are not shortage of rare earth. They are shortage of low price rare earth from China.
Rare earth can bring a sharp increase to military technique. In one sense, the U.S. army controls overwhelmingly and strikes at enemy without hesitation in several wars after Cold War, for its high technique in rare earth.
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