Tungsten

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Production Methods of Tungsten-Nickel-Iron Alloy 10

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 22

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 36

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 7

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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Characteristics of Tungsten-Nickel-Iron Alloy 5

Tungsten-nickel-iron alloy is a high-density alloy with tungsten as the base (typically 80%–98% tungsten content), incorporating nickel, iron, and other elements. It boasts a range of unique physical, chemical, and mechanical properties, finding wide use in aerospace, defense, medical devices, and industrial manufacturing. The properties of tungsten-nickel-iron alloy can be customized by adjusting its composition and preparation process. Generally. The characteristics of tungsten-nickel-iron alloy include high density, high strength, high hardness, low thermal expansion, and corrosion resistance. High Density: With…

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What Is Zinc Tungstate? 14

Zinc tungstate (Tungsten Zinc, ZnWO?), also known as zinc tungsten oxide, belongs to the tungstate family. It is formed by the chemical bonding of divalent zinc ions (Zn2?) and tungstate ions [(WO?)2?], resulting in a wolframite-type crystal structure. In semiconductor research, its photoelectric properties and catalytic activity offer new possibilities for developing novel optoelectronic devices and environmental purification materials, demonstrating significant application potential in energy and environmental fields. From a physicochemical properties perspective, ZnWO? appears as a white powder with…

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What Is Potassium Tungstate? 14

Compared to sodium tungstate, potassium tungstate (K?WO?) exhibits distinct solubility and chemical reactivity due to the introduction of K? ions. From its role as an intermediate in metallic tungsten production to its function as an additive in photovoltaic cell electrolytes, this compound leverages an intrinsic logic of “ionic properties-crystal structure-application” to build diverse application scenarios in energy, materials, and analytical chemistry. Potassium tungstate is a colorless or white crystalline powder composed of tungsten, potassium, and oxygen, existing as an ionic…

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What Is Calcium Tungstate? 13

Compared to alkali metal tungstates (e.g., sodium tungstate and potassium tungstate), calcium tungstate (CaWO?) exhibits markedly different crystal structures and properties due to the incorporation of Ca2?, evolving from its industrial designation as “synthetic scheelite” to its core application as a scintillator material. The chemical composition of calcium tungstate highlights its distinction from alkali metal tungstates: As an alkaline earth metal with atomic number 20, Ca2? differs in its outermost electron configuration from Na? and K?, leading to the formation…

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What Is Magnesium Tungstate 13

Within the family of inorganic functional materials, magnesium tungstate (MgWO?) stands out as a representative alkaline earth metal tungstate, leveraging its unique crystal structure and diverse properties to deliver significant value in optoelectronic displays, catalytic degradation, and functional ceramics. This compound, formed by magnesium ions (Mg2?) and tungstate ions [(WO?)2?], inherits the stability of alkaline earth metals while gaining rich optical and electrical responses from the tungsten-oxygen framework, serving as a bridge between traditional chemistry and emerging optoelectronic technologies. Magnesium…

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What Is Ferrous Tungstate 9

Within the broad field of transition metal compounds, ferrous tungstate (FeWO?) stands out as a representative example of an iron-group element combined with tungstate, gaining prominence in chemical and materials science research due to its unique physicochemical properties and versatile application potential. This tungstate, formed by Fe2? and (WO?)2?, not only inherits the magnetic commonality of iron-group elements but also exhibits rich functional characteristics due to the introduction of the tungsten-oxygen framework, opening new pathways in catalysis, energy storage, and…

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