China’s Ferro Tungsten Price Stabilizes on Quiet Market

tungsten trioxide image

Analysis of latest tungsten market from Chinatungsten Online

The ferro tungsten and tungsten carbide powder prices in the Chinese market remain stable on May 24, 2023 as the market is in a stalemate with poor liquidity. 

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Modified Tungsten Materials by K-Doping, La2O3 Particles Dispersion, and Re Alloying

Metallographic images obtained by optical microscope of pure W and K-doped W image

K-doping, dispersion of La2O3 particles, and Re alloying have been mainly used as modification methods for modified tungsten materials. To clarify the effect of these modifications, the main conditions of the basic production route were the same for all materials, including cold isostatic pressing, sintering, rolling or forging, and finally heat treatment for stress relief. In order to study the effect of the reduction rate (deformation rate) in rolling and forging, several levels of deformation rates were used.

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Latest Progress on Modified Tungsten Materials in Japan

Schematic illustrations of heat loads-neutron and ions irradiations and temperature of monoblock divertor image

To develop modified tungsten materials, progress has been made in the development of irradiation-resistant W materials with improved thermomechanical properties over the past decade under collaborative university research and development in Japan. Researchers have developed grain refinement, work hardening, alloying, and dispersion strengthening aimed at improving the ductility and toughness of modified tungsten materials, even under neutron irradiation.

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Mechanical Properties of Tungsten: Recent Research on Modified Tungsten Materials

pure W and K-doped W-3 percent Re plates in as-received condition image

As a plasma-facing material (PFM) for fusion reactor steering, the mechanical properties of W materials still suffer from some defects, namely ductile-to-brittle transition temperature (DBTT) and brittleness due to recrystallization. To solve these problems, modified tungsten materials with improved thermomechanical properties, neutron irradiation tolerance, and microstructural homogeneity with mass production possibilities have been developed in the last decade with collaborative R&D at Japanese universities.

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China’s Jiangxi Tungsten Declined Black Tungsten Concentrate Price for Late May 2023

tungsten acid image

Analysis of latest tungsten market from Chinatungsten Online

China’s ammonium paratungstate (APT) and tungsten powder prices are unchanged from the previous trading day because the market continues to be quiet. 

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China Rare Earth Price - May 24, 2023

praseodymium oxide image

China rare earth price has shown a steady rise in the second half of May 2023 mainly due to the long period of decline in rare earth prices in the early stage and the recent increase in the enthusiasm of downstream users for inquiries. 

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China Molybdenum Price - May 24, 2023

tungsten acid image

China molybdenum price has moved up slightly on May 24, 2023 mainly due to the fact that steel companies have concentrated on bidding and the bidding prices are acceptable, and the spot inventory of some molybdenum raw materials is relatively small. 

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China’s Zhangyuan Tungsten Raised Long-term Contract Prices for the Second Half of May 2023

tungsten acid image

Analysis of latest tungsten market from Chinatungsten Online

At the beginning of the week, China tungsten price was stable when the market remains quiet as usual. Miners and smelting factories still have strong rised mentality but the whole trading activity in the market remains tepid.

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CTIA GROUP LTD Recognized as RMI Conformant Downstream Facility for Tungsten

CTIA GROUP LTD, a professional producer of tungsten products, is recognized as RMI Conformant Downstream Facility for Tungsten in May,2023.

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China Tungsten Price Was Weak in the Middle of May 2023

tungsten powder image

Analysis of latest tungsten market from Chinatungsten Online

China tungsten price was weak in the week ended on Friday May 19, 2023 affected by the negative sentiment of market participants as well as the decline in new guide prices from listed tungsten companies. 

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