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Exploration of Tungsten Alloy Application Fields 17

In the vast field of materials science, high-density tungsten alloys stand out due to their unique properties, becoming a focal point across numerous industries. Tungsten alloy is a material with tungsten as the base (W content 85-99%) and small amounts of elements such as Ni, Cu, Co, Mo, and Cr added. Its density ranges from 16.5 to 18.75 g/cm3, more than double that of steel, making its remarkable high-density characteristic a key factor in its wide-ranging applications. From a microstructural…

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What Is Tungsten-Copper Contact? 31

Tungsten-copper (WCu) contacts, like tungsten-silver (WAg) contacts, are highly representative types of tungsten contacts. The reason their physicochemical properties, production methods, and applications are largely similar lies in the fact that both are manufactured using the refractory metal tungsten as a base. However, there is a cost difference between silver and copper, with silver generally being more expensive than copper. Tungsten-copper contacts (Tungsten Copper Contact) are electrical contacts made with tungsten as the base material and copper as the auxiliary…

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What Is Silver Tungsten Contact? 31

Tungsten contacts are a type of electrical contact material, with their primary chemical composition including the refractory metal tungsten along with copper, silver, and other metal elements. They exhibit excellent thermal, mechanical, and electrical properties, making them widely used in the power sector. Depending on their chemical composition, tungsten contacts can be classified into tungsten-copper (WCu) contacts and Silver Tungsten (AgW) contacts. Silver Tungsten contact is materials formed by combining silver and tungsten, characterized by a structure where tungsten serves…

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What Is Tungsten Alloy Rod? 23

Tungsten-based alloys can be categorized into different types—tungsten alloy rods, tungsten alloy blocks, tungsten alloy plates, and tungsten alloy spheres—based on their external shapes. These alloys share similar physical and chemical properties but differ in their specific applications. Tungsten alloy rods, also known as tungsten bars, are alloy products made with refractory metal tungsten as the hard phase, supplemented by metal elements such as cobalt, nickel, iron, and copper as binding phases. Leveraging their excellent physicochemical properties, they are widely…

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Tungsten Alloy Rod 25

Depending on their shapes, tungsten-based alloys can be categorized into tungsten alloy rods, tungsten alloy blocks, tungsten alloy plates, and tungsten alloy spheres. While their physicochemical properties are generally similar, their applications differ. Taking tungsten alloy rods as an example, also referred to as tungsten bars, they are alloy products with refractory metal tungsten as the hard phase and metals such as cobalt, nickel, iron, or copper as the binding phase, known in English as tungsten bar. In terms of…

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Tungsten-Copper Contact 32

Like tungsten-silver (WAg) contacts, tungsten-copper (WCu) contacts are also a typical type of tungsten contact. Since both tungsten-silver and tungsten-copper contacts are products based on refractory metal tungsten, their physicochemical properties, production methods, and applications are fundamentally similar. It should be noted that the price of silver is generally higher than that of copper. Taking tungsten-copper contacts as an example, they are electrical contacts primarily composed of tungsten with copper as an auxiliary material, forming a pseudo-alloy product made of…

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Silver-Tungsten Contact 25

Tungsten contacts are electrical contact materials primarily composed of refractory metal tungsten and other metal elements such as copper or silver, exhibiting excellent thermal, mechanical, and electrical properties, and are widely used in the power sector. Based on their chemical composition, they can be classified into tungsten-copper (WCu) contacts and silver-tungsten (AgW) contacts. Conceptually, AgW contacts are materials composed of silver and tungsten, forming a two-phase pseudo-alloy with tungsten as the hard phase and silver as the binding phase, known…

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Applications of High-Density Tungsten Alloy in the Automotive Field 26

In today’s rapidly developing automotive industry, material innovation and application have been key drivers of progress. From traditional steel to the later emergence of aluminum alloys and carbon fiber, each introduction of a new material has brought a qualitative leap in automotive performance. Beyond aluminum alloys and carbon fiber, high-density tungsten alloy is also a critical material in the automotive sector. While it may still seem unfamiliar to the general public, in the eyes of engineers, tungsten alloy is becoming…

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Applications of High-Density Tungsten Alloy in the Medical Field 28

High-Density Tungsten Alloy, also known as “high-specific-gravity tungsten alloy,” is an alloy primarily composed of tungsten (with a tungsten content of 85–99%) and small amounts of elements such as nickel (Ni), copper (Cu), cobalt (Co), molybdenum (Mo), and chromium (Cr). Its density ranges from 16.5–18.75 g/cm3, more than twice that of steel (approximately 7.85 g/cm3). Depending on the alloy composition, it can be classified into series such as W-Ni-Fe (tungsten-nickel-iron), W-Ni-Cu (tungsten-nickel-copper), W-Cu (tungsten-copper), and W-Ag (tungsten-silver). In addition to…

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Applications of Tungsten-Nickel-Iron Alloy in Welding Electrodes 28

Tungsten-nickel-iron alloy, with its unique physical and mechanical properties, demonstrates significant applications value in the field of welding electrodes. When used to manufacture welding electrodes, the high tungsten content (typically over 90%) is the core source of its advantages. Tungsten’s melting point, as high as 3422°C, far exceeds that of most metal materials, enabling the electrode to maintain a stable form in the high-temperature arc environment and preventing excessive wear due to melting. This is crucial for ensuring the continuity…

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