Tungsten News

Tungsten News
What Are the Main Factors that Affect the Longevity of Tungsten Copper Heat Sinks? 7

The longevity of tungsten copper heat sinks is influenced by several key factors, each playing a crucial role in determining the performance and durability of these essential components in thermal management systems. Firstly, the material composition and quality of the tungsten copper alloy significantly impact longevity. Tungsten copper alloys are renowned for their high thermal conductivity, excellent thermal expansion properties, and robust mechanical strength. However, variations in alloy composition, impurities, and manufacturing processes can affect the material’s stability and resistance…

Tungsten News
How Do Tungsten Copper Alloys Impact Their Performance in Heat Sink Applications? 6

The electrical conductivity properties of tungsten copper alloys play a crucial role in determining their performance in heat sink applications. They are renowned for their excellent thermal conductivity, but their electrical conductivity characteristics also contribute significantly to their effectiveness in dissipating heat from electronic components. In heat sink applications, efficient thermal management is essential to prevent the overheating of electronic devices, which can lead to performance degradation or even failure. WCu alloys, with their high electrical conductivity, facilitate the rapid…

Tungsten News
How Does the Purity of Molybdenum Wire Affect its Performance? 10

The purity of molybdenum wire plays a crucial role in determining its performance and suitability for various applications. Moly wire is renowned for its exceptional mechanical strength, high melting point, and resistance to corrosion and wear. However, the purity of the molybdenum used in its production significantly influences its properties and performance. High-purity moly wire, typically defined as having a purity of 99.95% or higher, exhibits superior mechanical and thermal properties compared to lower purity grades. The presence of impurities,…

Tungsten News
How Is Molybdenum Wire Manufactured? 9

Molybdenum wire, renowned for its high tensile strength, excellent thermal conductivity, and resistance to corrosion and wear, undergoes a meticulous manufacturing process to ensure its quality and performance in various applications. The manufacturing of this metal wire typically begins with the extraction of molybdenum ore from mines worldwide. Molybdenite, the primary ore of molybdenum, undergoes mining and beneficiation processes to isolate the valuable mineral. Once extracted, the molybdenum ore undergoes a series of refining and purification steps to obtain pure…

Tungsten News
Know Tungsten – Tungsten Carbide Sealing Ring 10

 Tungsten carbide sealing rings are made of tungsten carbide powder as raw material, with an appropriate amount of cobalt powder or nickel powder added as a binder, pressed into a ring shape through a certain mold, and sintered in a vacuum furnace or hydrogen reduction furnace. Tungsten carbide sealing ring has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. In particular, its high hardness and wear resistance…

Tungsten News
Know Tungsten – Tungsten Carbide Drawing Die 10

 Tungsten carbide drawing die is one of many carbide molds. The working part of the mold is made of finely ground carbide, and the fixed part of the mold is made of No. 45 steel. The two are then assembled through interference fit. Together, in this way, the material cost of the carbide drawing mold can be reduced to the lowest and most cost-effective, truly saving customers money.

Tungsten News
Know Tungsten – Tungsten Carbide Insert Production Process 11

 Step 1: Raw material preparation. The main ingredients include tungsten carbide powder and cobalt powder. The quality and precise blend of raw materials are key to ensuring final blade performance. Step 2: Mixing and Compression. The mixture is compressed into a highly dense blank whose shape approximates the final blade profile. Step 3: Sintering. In a high-temperature environment, the billet is sintered, and the tungsten carbide particles combine with the cobalt powder to form a strong cemented carbide material.…

Tungsten News
Main China Tungsten Companies’ Long-Term Contract Prices in the First Half of April 2024 14

In the first half of April 2024, the long-term contract prices (including 13% value-added tax) of main China tungsten companies for wolframite concentrate (WO3≥55%) were 126,500 yuan per standard ton, an increase of 2,000 yuan per standard ton compared to the second half of March 2024. For scheelite concentrate (WO3≥55%), the prices were 125,500 yuan per standard ton, an increase of 2,000 yuan per standard ton compared to the second half of March 2024. And for ammonium paratungstate (APT) (national…

1 2 3 31