Tungsten News

Tungsten News
What Are the Application Areas and Characteristics of Pure Tungsten Sheets? 16

Pure tungsten sheets, known for their superior physical and chemical properties, are widely used across various industrial fields. Below are the main application areas and characteristics: 1. Electronics Industry Tungsten sheets are indispensable materials in the electronics industry, extensively used in the production of vacuum electronic devices such as cathodes, electrodes, and thermionic emitters. Their excellent electrical conductivity and oxidation resistance enable them to remain stable under high-temperature and high-vacuum conditions. Additionally, W sheets are employed in the semiconductor industry,…

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What Are Challenges Faced in Processing Pure Tungsten Sheets? 16

Pure tungsten sheets are known for their exceptional physical and chemical properties, including a high melting point (3410°C), high density, excellent thermal and electrical conductivity, and remarkable resistance to high temperatures. While these properties make tungsten a valuable material for various industrial applications, they also pose significant challenges during its processing. Below are the primary difficulties encountered in processing tungsten sheets: 1. High Melting Point and Hardness Tungsten’s extremely high melting point and intrinsic hardness make it difficult to machine…

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TZM Molybdenum Alloy Plate: Composition and Applications 14

The main components of TZM molybdenum alloy plate are molybdenum (Mo), titanium (Ti), zirconium (Zr), and a small amount of carbon (C). The specific composition by weight percentage is as follows: Molybdenum (Mo): Approximately 93% Molybdenum serves as the base material of the alloy, providing a high melting point, high strength, and excellent high-temperature performance. Titanium (Ti): Approximately 0.4%–0.55% Titanium improves the alloy’s strength and hardness while enhancing its resistance to high-temperature creep. Zirconium (Zr): Approximately 0.06%–0.12% Zirconium further enhances…

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What Are the Advantages of TZM Molybdenum Alloy Compared to Pure Molybdenum? 15

TZM molybdenum alloy (titanium-zirconium-molybdenum alloy) is a high-performance material based on molybdenum (Mo), with titanium (Ti), zirconium (Zr), and a small amount of carbon (C) as its primary alloying elements. Compared to pure molybdenum, TZM alloy offers significant advantages, particularly in high-temperature environments. 1. Higher High-Temperature Strength and Creep Resistance While pure Mo has high strength at elevated temperatures, it is prone to creep at extremely high temperatures (e.g., above 1200°C). The addition of titanium and zirconium in TZM alloy…

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USTR Increases Tariffs Under Section 301 on Tungsten Products, Concluding the Statutory Four-Year Review 78

December 11, 2024 WASHINGTON – The Office of the United States Trade Representative (USTR) today announced tariff increases under Section 301 for imports from the People’s Republic of China of certain tungsten products, wafers, and polysilicon. The rates for solar wafers and polysilicon will increase to 50 percent, and the rates for certain tungsten products will increase to 25 percent. These tariff increases will take effect on January 1, 2025. “The tariff increases announced today will further blunt the harmful…

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【Know Tungsten】Enhancing TIG Welding Performance with WL20 Lanthanum Tungsten Electrodes 82

The WL20 lanthanum tungsten electrode is a tungsten-based alloy electrode material that contains approximately 2% lanthanum. During TIG welding, the lanthanum tungsten electrode maintains a very stable arc, reducing arc fluctuations and deviations, which ensures higher precision and stability during the welding process. Compared to pure tungsten electrodes, the lanthanum tungsten electrodes exhibit better arc stability and welding quality. The addition of lanthanum helps to reduce electrode wear at high temperatures, especially in high-current welding, effectively extending the electrode’s lifespan,…

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【Know Tungsten】Why Tungsten Carbide Copper Rod Is Ideal for Precision Instruments? 70

The 70WC30Cu tungsten carbide copper rod is a composite material typically composed of 70% tungsten carbide and 30% copper. Due to the unique combination of tungsten carbide and copper, this material possesses exceptional physical and chemical properties. Tungsten carbide copper materials are widely used in industrial fields that require high hardness and excellent wear resistance, including electrodes and electrical contact materials, cutting tools and molds, as well as precision instruments and equipment.

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【Know Tungsten】Advantages of Tungsten Alloy Dart Billets: Precision and Durability 56

Tungsten alloy dart billets are produced using a powder metallurgy process, combining materials such as tungsten, nickel, iron, and copper. These dart billets are known for their advantages such as high density, corrosion resistance, moderate hardness, and excellent wear resistance. As a result, darts made with tungsten alloy billets are more compact, experience less air resistance, and are easier to control, improving accuracy and increasing the likelihood of hitting the target area. Due to their outstanding physical and chemical properties,…

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Molybdenum Substrates: A Key Pillar in Advancing Semiconductor Technology 98

Molybdenum substrates have become integral components in the semiconductor industry due to their superior physical properties and high thermal stability. Molybdenum, a transition metal known for its strength, thermal conductivity, and resistance to corrosion, plays a crucial role in various semiconductor manufacturing processes, particularly in the creation of advanced electronic devices. One of the key applications of moly substrates is in the production of power semiconductors. Power semiconductors are essential in controlling and converting electrical power in devices such as…

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The Role of Molybdenum Substrates in the Thin Film Deposition Industry 95

Molybdenum substrates have become a vital material in the thin film deposition industry due to their outstanding physical properties, which make them ideal for a range of applications, including semiconductor devices, solar cells, and coatings. Thin film deposition is a process used to deposit thin layers of material onto a substrate, and molybdenum plays a critical role in this process, particularly in industries where precision and durability are paramount. One of the key benefits of using moly substrates in thin…

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