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Material Composition of Tungsten-Nickel-Iron Alloy 46

Tungsten-nickel-iron alloy (W-Ni-Fe alloy) is a high-density alloy with tungsten as its matrix, allowing for a balance of density, strength, toughness, and cost through the adjustment of the nickel-iron ratio or the addition of trace elements. It is widely used in aerospace, defense, medical devices, and other fields. The alloy’s material composition includes tungsten, nickel, iron, carbon, and other elements. Tungsten (W): Comprising 90%–98%, it serves as the matrix element, forming a continuous framework that imparts high density, a high…

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Influence of Nickel-Iron Ratio on Tungsten-Nickel-Iron Alloy Performance 36

Tungsten-nickel-iron alloy boasts high density, high tensile strength, excellent radiation absorption, and good processability, making it widely applicable in aerospace counterweights, armor-piercing projectile cores, nuclear radiation shielding, and medical equipment protection. Beyond tungsten content, powder characteristics, production processes, and process parameters, the nickel-iron ratio is another key factor influencing its performance. The nickel-iron ratio significantly affects the alloy’s properties by regulating its phase composition and microstructure, thereby altering its mechanical, physical, and processing characteristics. Mechanical Properties: The nickel-iron ratio impacts…

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Influence of Tungsten Content on Tungsten-Nickel-Iron Alloy Performance 42

Tungsten is the core component of tungsten-nickel-iron alloy, imparting exceptional counterweight performance through its high density of 19.35 g/cm3. It also enhances the alloy’s strength and hardness via solid-solution strengthening and particle dispersion strengthening, while optimizing its radiation absorption capacity, making it an ideal choice for high-performance shielding materials. The tungsten content (approximately 90%–98%) significantly impacts alloy properties. Higher tungsten levels generally increase density; for instance, a 90W-7Ni-3Fe alloy has a density of about 17.1 g/cm3, a 93W-4Ni-3Fe alloy around…

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Factors Influencing the Performance of Tungsten-Nickel-Iron Alloy 36

Tungsten-nickel-iron alloy is a material with tungsten as its base, incorporating nickel and iron, where tungsten content typically ranges from 90% to 98%, and the nickel-to-iron ratio is commonly 7:3 or 1:1. It exhibits high density, high strength, and excellent radiation shielding capabilities, finding wide use in counterweights and shielding applications. However, its performance is not fixed and is influenced by factors such as composition ratio, raw material quality, forming process, and heat treatment parameters. Composition Ratio: The proportions of…

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Properties of Tungsten-Nickel-Iron Alloy 39

In the expansive realm of materials science, tungsten-nickel-iron alloy garners significant attention for its unique properties and broad applications. As the name suggests, it is an alloy based on tungsten, with nickel and iron added, typically in a nickel-to-iron ratio of 7:3 or 1:1, and tungsten content ranging from 90% to 98%. This composition endows it with a host of exceptional characteristics. I. High Density: A “Weighty” Advantage One of the standout features of tungsten-nickel-iron alloy is its high density,…

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Factors Influencing the Performance of Tungsten-Nickel-Iron Alloy 37

In the vast landscape of modern industry, tungsten-nickel-iron alloy stands out as a multifaceted material due to its unique properties, playing a pivotal role across numerous fields. From high-precision equipment in aerospace to robust tools in oil drilling, from protective components in medical devices to precision parts in the automotive industry, this alloy is ubiquitous. In aerospace, it is used to manufacture satellite counterweight devices and critical aircraft engine components. The high density of the alloy helps adjust satellite centers…

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Production Methods of Tungsten-Nickel-Iron Alloy 59

Tungsten-nickel-iron alloy, composed of tungsten, nickel, iron, and other elements, features high strength, high hardness, excellent corrosion resistance, and radiation shielding capabilities. It is widely used in aerospace, aviation, military, and electronics fields, such as for manufacturing counterweights, shielding components, and high-temperature structural parts. Common production methods include powder metallurgy, metal injection molding, and chemical co-precipitation. Powder Metallurgy: This is a primary method for producing tungsten-nickel-iron alloy. First, tungsten powder, nickel powder, and iron powder are mixed in specific proportions,…

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Chemical Properties of Tungsten-Nickel-Iron Alloy 65

The physical properties of tungsten-nickel-iron alloy include high strength, good ductility, high hardness, wear resistance, and a low thermal expansion coefficient, while its chemical properties encompass excellent corrosion resistance, high-temperature oxidation resistance, chemical stability, and erosion resistance. These chemical properties arise from the synergistic effects of the constituent elements and the alloy’s microstructural characteristics. I. Excellent Corrosion Resistance Tungsten-nickel-iron alloy exhibits strong chemical stability in corrosive media such as acids, alkalis, and salts, making it an ideal material for chemical…

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Physical Properties of Tungsten-Nickel-Iron Alloy 87

Tungsten-nickel-iron alloy is a material with tungsten as the matrix (typically 90%–98% tungsten content), formed by adding nickel, iron, and other elements. Its physical properties stem from the synergistic effect of tungsten’s high hardness and the toughness of the nickel-iron binder phase, which can be optimized by adjusting composition ratios and preparation processes. I. High Strength and Tensile Performance The alloy’s tensile strength ranges from 700 to 1,000 MPa, primarily due to the rigid tungsten particle framework, with tungsten’s Mohs…

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Impact of Density on Tungsten-Nickel-Iron Alloy Applications 53

The density of tungsten-nickel-iron alloy, typically ranging from 17.0 to 18.5 g/cm3, is a critical factor influencing its application scenarios. This high-density characteristic profoundly impacts the alloy’s use across functional realization, structural design, and scenario adaptability. I. Applications in Counterweight and Balancing The high density makes tungsten-nickel-iron alloy an ideal counterweight material, offering significantly greater weight per unit volume than other metals, enabling efficient weight distribution in confined spaces. For example: In aerospace, it is used in drone and satellite…

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