Vital Metals may triple the size of its planned tungsten mine in Australia to 3 million tpy on expectations that a weaker Australian dollar, lower production costs and a strong tungsten market will make the project more profitable.

The outlook for tungsten is brilliant on China’s robust demand, Mark Strizek, Vital’s managing director said in a statement. Ongoing quota on APT exports and ban on the export of tungsten concentrate continues to put pressure on prices.

“China has the world’s biggest tungsten resources and accounts for about 80 per cent of global consumption but they are now importing it to help meet domestic demand,”
 

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Chinese tin producer Yunnan Tin Company (YTC) plans to spend 3.5 billion yuan ($566 million) to move its main smelting facility from Gejiu city, in order to comply with the Chinese government’s environmental policies.

Of this total, plant construction is expected to cost about 1.9 billion yuan. YTC – which is the world’s largest tin producer – will move its smelting facility to the Mengzi Economic Development Zone in Yunnan province.

Its new copper and lead smelters are already located there, and it plans to upgrade the tin smelter to a 70,000-tpy plant. The relocation project is expected to take three to five years to finish.

The company’s existing tin plant, which underwent major upgrade work with the installation of an Ausmelt furnace in 2002, is situated within Gejiu city.

Under the entry requirements for the tungsten, tin and antimony industries, set out by the Chinese National Development & Reform Commission in 2006, smelters that are within 1km of residential areas must be relocated.
 

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North American Tungsten Corporation Ltd. (the "Company") is pleased to announce that it has received TSX Venture Exchange approval for the issuance of an aggregate 5,000,000 common share purchase warrants (the "Warrants").

 To two directors in connection with the previously announced extension of  the Company's CAD$12,000,000 working capital loan facility.

Each Warrant is exercisable for one common share of the Company at an exercise price of $0.20 per common share. The Warrants will expire on June 30, 2014.
 

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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 which intersected 9.31 metres of 0.177% tungsten trioxide (WO3) and 0.036% tin.

With mineralization in this interval mainly in quartz veins cutting country rocks in close proximity to the Dungarvon Granite.”
 

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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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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  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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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.

Tungsten carbide-cobalt nanoparticles appear as a black powder having nearly spherical morphology. The physical properties are as below.

The thermal properties of tungsten carbide-cobalt nanoparticles are provided in the table below.

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 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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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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