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Analysis of Tungsten Wire Cutting Resistance 78

The cutting resistance of tungsten wire is the result of the synergistic effect of multiple factors, including high hardness, high strength, fine grain structure, and surface protection, making it irreplaceable in industrial cutting wire, high-temperature saw wire, bulletproof fiber, and other fields. Below is an analysis of the principles behind tungsten wire’s resistance to cutting, organized into core mechanisms and influencing factors: 1. Intrinsic Material Properties Ultra-high Hardness: Tungsten’s Vickers hardness (300500HV) is much higher than most metals (such as…

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The Principle of Tungsten Wire Resistance to Cutting 69

The principle of tungsten wire’s resistance to cutting mainly hinges on its unique physical and chemical properties. Below is a detailed explanation of the principle: 1. High Strength and Hardness After undergoing processes such as forging and drawing, tungsten wire can be made into extremely fine specifications, and compared to stainless steel of similar specifications, its strength and hardness are significantly enhanced. This high strength and hardness enable tungsten wire to better resist deformation and fracture when subjected to cutting…

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Manufacturing Process of Cut-resistant Tungsten Wire 21

Below is a detailed introduction to the manufacturing process of cut-resistant tungsten wire, covering the entire procedure from raw material selection to final product inspection. 1. Raw Material Preparation Tungsten Powder Purification: Utilizing hydrogen reduction or chemical vapor deposition (CVD) to prepare high-purity tungsten powder (purity >99.95%), with controlled impurity levels of oxygen, carbon, etc. Doping and Modification: Adding trace alloy elements (such as rhenium, lanthanum oxide, thorium oxide) to improve ductility and high-temperature resistance. 2. Powder Metallurgy Forming Isostatic…

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Production Process of Cut-resistant Tungsten Wire 28

The production of cut-resistant tungsten wire primarily involves several key steps, which effectively enhance the wire’s cut-resistance while maintaining its high melting point and hardness. Here is a detailed overview of the production process: 1. Material Selection The first step in manufacturing cut-resistant tungsten wire is selecting high-purity tungsten powder as the raw material. High-purity tungsten powder ensures an excellent performance foundation for the wire and minimizes the impact of impurities on subsequent processing and usage. 2. Powder Metallurgy Tungsten…

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Chemical Properties of Cut-resistant Tungsten Wire 50

The chemical properties of cut-resistant tungsten wire are primarily based on the chemical characteristics of tungsten metal. Tungsten, a chemical element with the symbol W and atomic number 74, is renowned for its extremely high melting point and chemical stability. Below are the key chemical properties of cut-resistant tungsten wire: 1. Chemical Stability It exhibits high chemical inertia in normal temperature and dry environments, not reacting with water, oil, or organic solvents, making it suitable for humid or oily industrial…

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Physical Properties of Cut-resistant Tungsten Wire 50

Cut-resistant tungsten wire is a high-performance tungsten wire renowned for its exceptional cut resistance. Below are its key physical property characteristics: 1. Hardness Vickers Hardness (HV): Typically ranges from 300 to 500 HV, indicating the material’s resistance to indentation on its surface. High hardness is central to its cut-resistant properties. Rockwell Hardness (HRA): Approximately 60 to 75 HRA, used to assess the material’s surface scratch and wear resistance. High hardness grants tungsten wire outstanding wear and cut resistance, making it…

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Advantages of Cut-Resistant Tungsten Wire 49

Cut-resistant tungsten wire is a high-performance material that possesses numerous significant advantages compared to other cut-resistant materials such as glass fiber, stainless steel micro-wire, basalt fiber, and Dyneema. Here are several key aspects: 1. Ultra-High Hardness and Wear Resistance Hardness close to diamond: Tungsten has a Mohs hardness of 7.5 to 8, enabling it to resist cutting and scratching by sharp objects. Long wear life: In scenarios involving high-speed cutting or frequent friction (such as cutting silicon wafers or sapphires),…

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Cut-Resistant Tungsten Wire Performance Characteristics 71

Cut-resistant tungsten wire is a specialized tungsten-based material whose cut resistance, wear resistance, and ability to withstand extreme environments have been significantly enhanced through material modification technology. Its main performance characteristics can be summarized as follows: 1. High Strength Cut-resistant tungsten wire possesses high tensile strength and yield strength, enabling it to withstand significant tensile and shear forces, making it suitable for applications requiring high strength. 2. High Hardness Its high hardness effectively resists cutting and wear, ensuring durability under…

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What is Cut-Resistant Tungsten Wire? 54

Cut-resistant tungsten wire is a specially treated or modified tungsten-based material. Its core design objective is to enhance resistance to cutting, wear, and high temperatures, making it suitable for scenarios involving high mechanical stress or extreme environments. I. Basic Definition Material Basis: It primarily consists of metallic tungsten (W), which inherently has a high melting point (3422°C), high hardness, and high density, but pure tungsten is relatively brittle. Modification Treatment: Through alloying, coating technology, microstructure optimization (such as grain refinement),…

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Molybdenum Market Update – March 3, 2025 62

Molybdenum market update on March 3, 2025 At the start of the week, the domestic molybdenum market generally exhibited a notable downward trend. Under the influence of factors such as the continued downward pressure on ferromolybdenum prices by steel companies and the tepid international molybdenum market, the confidence of many suppliers to stabilize prices has waned. Today, the prices of molybdenum concentrate, ferromolybdenum and molybdenum oxide dropped by about 30 yuan/ton, 1,000 yuan/ton and 20 yuan/ton respectively. Recently, Zhongnan Co.,…

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