Tungsten News

Tungsten News
Why Tungsten Probes Can Be Used for Wafer Testing? 56

Tungsten probes are commonly used for wafer testing due to several advantageous properties that make them suitable for this application: Hardness: Tungsten is one of the hardest materials available, and this hardness helps in maintaining the sharpness of the probe tips. This is crucial for making precise and accurate contact with small features on semiconductor wafers. High Melting Point: Tungsten has a very high melting point, making it resistant to melting or deforming at the high temperatures often encountered during…

Tungsten News
Current Status and Prospects of China’s Tungsten Resources, Technology and Industry Development 288

Abstract Since the founding of the People’s Republic of China 70 years ago, my country’s tungsten metallurgy has completed a transformation from scratch, from weak to strong. Especially over the past 40 years of reform and opening up, my country’s tungsten extraction metallurgical theory and technology have continued to develop, and great progress has been made in low-grade complex resource processing, energy conservation and environmental protection in the production process. The early tungsten smelting mainly used the soda sintering method,…

Tungsten News
How Is Tungsten Carbide Copper Rod Manufactured? 119

The production of tungsten carbide copper rod typically involves copper infiltration and powder metallurgy process, which is a method of manufacturing metal parts from metal powders. Here is a general overview of production steps: 2.Powder Mixing: Tungsten powder and cobalt powder are accurately weighed and thoroughly mixed to achieve a homogenous blend. The content is determined based on the desired properties of the final alloy. 2.Compaction: The mixed powders are pressed or compacted into a green compact. The compaction is…

Tungsten News
Tungsten Carbide Copper Rods Find Applications in Various Industries 101

Tungsten carbide copper (CuWC) rods find applications in various industries due to their unique combination of properties, combining the hardness and wear resistance of tungsten carbide with the excellent thermal and electrical conductivity of copper. 1.Electrical Contacts and Electrodes: WCu rods are used to manufacture electrical contacts and electrodes, especially in uses requiring good electrical conductivity and resistance to wear. Commonly used in circuit breakers, switches, and other electrical components. 2.Resistance Welding Electrodes: CuWC rods are employed in resistance welding…

Tungsten News
What Are Tungsten Carbide Copper Alloy Rods (CuWC Rods)? 101

Tungsten carbide copper alloy rods, often simply referred to as tungsten carbide copper rods or CuWC rods, are cylindrical bars or rods made by combining tungsten carbide (WC) matrix infiltrated with copper (Cu). This results in a composite material that combines the hardness and wear resistance of tungsten carbide with the excellent thermal and electrical conductivity of copper. The specific composition and properties of the rods can be tailored to suit the requirements of various industrial applications. Here are some…

Tungsten News
What Is Tungsten Carbide Copper Alloy (WC-Cu alloy)? 86

Tungsten carbide copper alloy, often referred to as WC-Cu, is a composite material composed of tungsten carbide matrix infiltrated with copper. The combination of these two materials results in a high-performance alloy with unique properties, making it suitable for various applications. Here are some key characteristics and uses: High Thermal Conductivity: Copper provides excellent thermal conductivity to the alloy. This property makes this alloy useful in applications where efficient heat dissipation is essential. High Electrical Conductivity: Copper is an excellent…

Tungsten News
What Is EDM Molybdenum Wire? 148

EDM is Wire Electrical Discharge Machining, while EDM molybdenum wire is a thin wire used to cut and shape electrically conductive materials with a high degree of precision. This method is particularly effective for materials that are difficult to machine using traditional mechanical methods. Here’s how molybdenum wire cutting works: Setup: In molybdenum wire cutting, a thin molybdenum wire, typically around 0.1 to 0.3 mm in diameter, is used as an electrode. The workpiece, which is usually made of a…

Tungsten News
The Working Principles of Molybdenum Wire Cutting 137

Wire Electrical Discharge Machining (Wire EDM) is a non-conventional machining process that employs molybdenum wire as an electrode to cut and shape conductive materials. The working principles of molybdenum wire cutting, which is a subtype of EDM, are as follows: 1.Electrical Discharge: At the core of Wire EDM is the principle of electrical discharge. The process begins with a molybdenum wire, which acts as the cutting tool, and a workpiece made of a conductive material (typically metal). The molybdenum wire…

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Why Can Molybdenum Wire Cut Metal? 137

Molybdenum wire is used in a process known as Wire Electrical Discharge Machining (Wire EDM or WEDM) to cut or shape metal and other conductive materials. It can cut metal for several reasons: Electrical Discharge Machining (EDM) Principle: Wire EDM is a non-traditional machining process that uses a thin wire electrode to cut through the workpiece material using electrical discharges. It relies on the phenomenon of electrical sparks (discharges) between the wire and the workpiece, which can remove material through…

Tungsten News
What Are the Uses of Tungsten Carbide Copper Plates? 103

Tungsten carbide copper plates (CuWC plates), often referred to as tungsten carbide copper alloys, have a variety of uses due to their unique combination of properties. Here are some common applications: Electrical Contacts: The high electrical conductivity of copper combined with the wear resistance of tungsten carbide makes these plates ideal for electrical contacts in switches, circuit breakers, and other electrical devices. EDM (Electrical Discharge Machining) Electrodes: CuWC plates are used as electrodes in EDM processes, where they help create…

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