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  • Niobium sheet production technology and application industry

    Production process: vacuum electron beam melting process to produce niobium sheet, is the first not forged niobium bar through the vacuum electron beam melting furnace melting into niobium ingot, usually divided into a single smelting and multiple smelting……

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  • Introduction and application of niobium alloy

    The main strengthening ways of niobium are solution, precipitation and deformation heat treatment. In niobium alloy, the alloy elements tungsten and molybdenum can significantly improve the high and low temperature strength, but too much content will reduce the alloy process performance.

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  • Thermal expansion of Zr, Zr-4 alloys and new zirconium alloys

    Zirconium alloy has high corrosion resistance. Radiation stability、good thermal properties and comprehensive mechanical properties, as nuclear reactor fuel cladding material. In recent years, new zirconium alloys have been developed in some countries in order to meet the performance requirements of cladding materials under high fuel consumption.

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  • Tantalum tungsten alloy

    Tantalum has strong resistance to chemical and atmospheric erosion below 150℃. Except for hydrofluoric acid, fuming sulfur trioxide and concentrated sulfuric and phosphoric acid at high temperature, all other acids are the most stable in pairs.

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  • Mechanical properties of niobium

    The mechanical properties of niobium are the properties related to the elastic and inelastic response or stress-strain relationship shown by niobium under the action of external force. It is the most concerned index of sheet material stamping and forming processing.

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  • Machinability of Niobium

    Niobium can have different microstructures in different states (such as as cast, processed, annealed, sintered, etc.), so its mechanical properties are significantly different. For example, at room temperature, the tensile strength of the cold worked state is 550~689MPa, and the elongation rate is 5%~15%;

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  • The chemical properties of niobium

    Niobium is a very stable metal, and its chemical properties are very close to that of tantalum. Niobium has good high-temperature performance under vacuum conditions or protected by coatings, but its high-temperature performance is severely challenged in the atmospheric environment.

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  • Effect of niobium and tantalum alloying on the microstructure and film structure of molybdenum alloy target

    The thin film prepared by molybdenum (Mo) sputtering target is widely used in electronic products and components, such as (thin film transistor-liquid cerystal display ,TFT-LCD), back electrode of thin film solar cell module, large Diffusion barriers in large-scale and ultra-large-scale semiconductor integrated circuits and gate materials in organic light-emitting diodes.

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  • Niobium zirconium alloy introduction

    Niobium zirconium alloy introduction Niobium zirconium alloy refers to the addition of metal niobium zirconium alloy. The main niobium zirconium alloy is Nb-1Zr alloy.

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  • Effect of tantalum content on mechanical properties of stainless steel tubes

    Tantalum can form stable compounds with carbon and nonmetal elements in stainless steel tubes, which can change the mechanical properties of stainless steel tubes and improve the quality of steel, similar to niobium.

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  • Preparation of niobium alloy ingot

    Niobium alloy ingots usually adopt two methods: powder metallurgy and vacuum melting. The powder metallurgy preparation first uses the hydrogenation-dehydrogenation process to prepare the powder, and then the niobium powder and the added powder of other alloying elements are fully stirred uniformly, isostatic pressing is carried out, and the ingot is sintered at a high temperature in a sintering furnace.

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  • Scientists have discovered a new material called niobium tungsten oxide that could be fully charged in minutes

    A newly discovered set of materials could enable rapid battery charging, increasing the likelihood of a smartphone being fully charged in minutes and accelerating the adoption of major cleantechnologies such as electric cars and solar power, researchers have shown.

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  • Niobium in superalloys

    This metal is a significant addition to nickel superalloys, thanks to its extreme hardness, which is likened to that of titanium, but with a ductility similar to iron. Niobium is what is known as a refractory metal, alongside molybedenum, which is another commonly used element in superalloy composition.

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  • Medical titanium alloy

    Compared with other medical metal materials, the most significant performance characteristics of titanium alloy are small density, low elastic modulus value, about half of other medical metal materials, the density is close to human hard tissue, so it is widely used in the field of orthopedics.

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  • Plastic processing of niobium alloy

    Plastic processing technology is divided into two types: volume forming and sheet metal forming. The volume forming process refers to the mass transfer of metal materials to obtain various profiles, such as forging, extrusion, rolling and other processes.

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  • Classification of titanium alloys

    Titanium is a homoisomer, melting point of 1720℃, in less than 882℃ in a dense hexagonal lattice structure, known as α titanium; At 882℃ above the body - centered cubic structure, known as β titanium.

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  • Microstructure changes of zirconium oxide film

    Zirconium alloys are widely used as fuel element cladding and other internal components of nuclear power reactors because of their low neutron absorption cross section, excellent corrosion resistance and mechanical properties.

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  • Application of titanium on ships

    In Russia, the shipboard acoustic flow shroud used to be made of glass fiber reinforced plastic (FRP), and later most of them were made of titanium alloy. It has been proved that titanium alloy acoustic flow shroud has excellent comprehensive performance, and the "Kursk" sonar system produced by them is made of titanium.

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  • Heat treatment of niobium alloy

    Niobium alloy materials need to be heat-treated in vacuum annealing furnace in the process of production and processing as well as the final product. According to different heat treatment processes and heat treatment methods, it can be divided into four heat treatment systems:

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  • Application of niobium alloy

    Over the years, sheet alloys have been widely used in many engineering fields and products, such as alloying steel and active metals with niobium; as anodes for cathodic protection; used in superconductors, rocket nozzles, spacecraft rivets, high-pressure sodium lamps, etc.

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  • The characteristics of tantalum and tantalum alloy induction heating

    The physical metallurgical properties of tantalum and tantalum alloys determine that its induction heating before plastic deformation has the following characteristics:

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  • Zirconium alloy processing annealing process

    After the material is cold worked, it must be annealed in order to recover its plasticity. The annealing temperature is generally 530-700°C to obtain a recrystallized structure. The microstructure is equiaxed α grains and precipitated phases located on the α grain boundaries and dispersed in the crystals. This is recrystallization annealing (RX).

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  • Melting preparation and hot workability of Nb10Zr alloy

    For the smelting preparation and thermal processing performance of the new Nb10Zr alloy, two arc smelting and thermal simulation tests are used to study the high temperature deformation characteristics of the alloy.

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  • Nb10Zr alloy hot working test

    Nb10Zr alloy is a new type of high-temperature oxidation-resistant alloy. In order to study the hot workability of Nb10Zr alloy, as-cast samples are used to explore the hot work process. The hot-rolled processing method is used to carry out the experimental research on the high temperature performance of the alloy.

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  • Structural mechanics and biological properties of porous tantalum

    The preparation process of porous tantalum is complex, and the main methods include: The pore diameter of porous tantalum prepared by the above methods is 300-600um.

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  • Strengthening pathway of niobium

    The main strengthening ways of niobium are solution, precipitation and deformation heat treatment. In niobium alloys, the alloys containing tungsten and molybdenum can significantly improve their high and low temperature strength, but too much content will reduce the process properties of the alloys.

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  • Application of medical tantalum and porous tank in stomatology

    Tantalum metal has been used as implant material in the treatment of patients with missing teeth. With the development of technology, porous tantalum is also tried to be used in the field of implant. Due to its outstanding mechanical properties, biological properties, elastic modulus comparable to bone tissue and high friction coefficient……

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  • Research status of niobium-zirconium alloy

    The addition of zirconium to niobium can refine the crystal grains and reduce the plasticity-brittle transition temperature; adding a small amount of carbon to the niobium-zirconium alloy, zirconium and carbon combine to form a dispersed carbide phase, which can improve the high-temperature strength of the niobium-zirconium alloy.

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  • Physical properties of niobium

    Niobium is an element of the V subgroup of the periodic table. Its symbol is Nb. Its atomic number is 41. It is one of high melting point metals. Silver has a melting point of 2,469,410°C and a boiling point of 4,840°C.

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  • Application and classification of tantalum and tantalum alloys

    Tantalum and tantalum alloys have high density, high melting point, high impact impedance, high mechanical properties at high temperature, and high mechanical strength even at 1000℃ to 2000℃.

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  • Technical specification for induction heating of tantalum and tantalum alloy before plastic deformation

    Industrial pure tantalum can be deformed and processed at room temperature. Tantalum alloys must be deformed at high temperatures due to their high strength and resistance to deformation. Induction heating is mainly used for tantalum alloy ingot blooming.

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  • Pass design process of niobium-hafnium alloy bar

    In the middle of the 20th century, due to the need for the development of new engines, superalloy materials appeared. Among them, high-temperature niobium alloys represented by niobium-hafnium alloys (grades: C-103, Nb-10%-Hf-1%Ti) have found important applications in the aerospace field.

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  • Properties of niobium zirconium alloys

    Nb-1Zr, Nb-10Hf-1Ti-0.7Zr and Nb-5Zr are three typical niobium zirconium alloys, which belong to niobium alloys with low strength and high plasticity. The properties of the above three typical niobium alloys are analyzed as follows.

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  • The role of niobium in zirconium alloys

    The stable oxide of niobium is Nb2O5, and the valence of niobium ion is +5. The niobium ion is solid-dissolved in Zr with the valence of +5 and replaces the zirconium ion with the valence of +4, and the oxygen ion vacancy is reduced.

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  • Processing characteristics of molybdenum, tantalum, niobium and their alloys

    In the process of sintering and smelting, the surface of molybdenum, tantalum and niobium is uneven, and there are some defects such as suction layer, subcutaneair hole and shrinkage hole, which make the processing performance is very poor.

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  • Fast induction heating of tantalum and tantalum alloys

    Due to the high density of tantalum and its alloys, such as heating by a horizontally placed inductor, the surface of the blank will be coated when the inductor is moving.

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  • Tantalum niobium processing materials and products

    Tantalum niobium processing materials: Tantalum niobium processing materials are produced by means of powder metallurgy. Tantalum niobium and its alloy powders are mixed and cold-pressed, then placed at a temperature lower than the melting point to make it undergo gas phase migration, surface diffusion migration……

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  • Introduction and application of niobium alloy

    Since niobium was first purified, its properties have been paid close attention to by scientists and engineers, and it has been widely used in modern science and technology and industry.

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  • Infrared/thermal conductivity method to detect the content of oxygen and nitrogen in C-103

    Niobium is an off-white metal with atomic number 41, belonging to the VB group of the periodic system. Niobium has outstanding advantages such as high melting point, low density, good plastic toughness, good welding performance, and high specific strength.

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  • Study on production technology of niobium-tantalum-tungsten alloy strip

    C103 alloy is a kind of high strength, high heat resistance material. It is based on niobium, with tantalum and tungsten as the addition elements. The alloy is processed by bombardment with strips as raw material.

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  • Development status of high strength and high elasticity titanium alloy

    The elastic deformation ability of metal materials is affected by the yield strength and elastic modulus, and the elastic limit of the tensile line (ε0.2) is generally less than 1%.

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  • Application of tantalum and niobium metal materials

    The applicable fields of new tantalum and niobium materials include: electronics, precision ceramics and precision glass industries; electroacoustic and optical devices; cemented carbide, aerospace and electronic energy industries; biomedical engineering; superconducting industry; special steel and other industries.

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  • Titanium and titanium alloy high-end products have greater development potential in the futures

    There are more than 160 titanium alloy production enterprises in China. There are a small number of enterprises with good independent research and development ability, high product technology content and excellent brand characteristics.

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  • Problems needing attention in titanium alloy processing

    Pressure machining of titanium alloys has more similarities with steel machining than with non-ferrous metals and alloys machining. Many process parameters in calcination volume stamping and plate stamping of titanium alloys are close to those in steel processing.

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  • Zirconium alloy

    A nonferrous alloy in which zirconium is the base and other elements are added. The main alloy elements are tin, niobium, iron and so on. Zirconium alloy has good corrosion resistance, moderate mechanical properties and low atomic thermal neutron absorption cross section in 300 ~ 400℃ high temperature and high pressure water and steam.

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  • The health benefits of titanium bracelets

    Since its discovery in the late 18th century, titanium has been prized for its strength and durability, as well as its compatibility with the human body. In fact, it is now widely used in artificial body parts, jewelry for sensitive skin, and as an alternative medicine.

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  • Titanium golf club forging method

    There are two main processes for the realization of titanium gold hollow wood: one is the use of investment precision casting to produce large volume of titanium ball head, the current casting volume is about 520 mL, the ball head body generally adopts Ti6Al4V alloy casting, can design the bottom (sole) or hitting surface (face) opening.

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  • Research on welding technology of ASTM B708 R05252 tantalum plate

    R05252 is the tantalum plate grade in the ASTM standard, which corresponds to the tantalum-tungsten alloy with the domestic standard grade Ta2.5W. Tantalum is a refractory metal with high density, good thermal conductivity, low linear expansion coefficient, high elastic modulus, and good high-temperature strength and mechanical processing properties.

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  • Introduction of sputtering target material

    Magnetron sputtering coating is a new physical gas phase coating method. Compared with the earlier evaporation coating method, it has obvious advantages in many aspects. As a developed and mature technology, magnetron sputtering has been used in many fields.

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  • Brief introduction of niobium tungsten hafnium alloy

    A niobium alloy formed by adding a certain amount of tungsten and hafnium to niobium.

    It was developed on the basis of niobium-tungsten alloy.

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  • Effect of hydrochemistry and alloy composition on microstructure evolution of oxide film during corrosion of zirconium alloys

    During the operation of nuclear power plant, H3BO3 was added to the primary water, and 10B was used as a combustible poison to control and regulate the excess nuclear reactivity. Alkaline water (pH=7.1~7.2) is needed to reduce the release of corrosion products from various steel components and the migration of radioactive materials in the primary circuit in order to reduce the radiation dose level received by workers.

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  • Advantages and disadvantages of titanium alloy fasteners and their applications

    The density of titanium alloy is generally about 4.5g/cm3, which is only 60% of steel. The strength of pure titanium is close to that of ordinary steel. Some high strength titanium alloy exceeds the strength of many alloy structural steel.

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  • Surface quality control and treatment of titanium forging parts

    The existence of defects in titanium forgings, some will affect the quality of subsequent processing or processing quality, some will seriously affect the performance and use of titanium forgings, and even greatly reduce the service life of the finished products, endangering safety.

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  • Rolling method of titanium seamless pipe and matters needing attention

    The rolling of titanium seamless pipe is generally processed by reciprocating (i.e., Peel format) cold mill. In the process, two-high (LG) and multi-high (LD) rolling mills are generally used for multi-pass rolling.

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  • Titanium alloy rod, TC4 titanium alloy grinding what matters needing attention?

    Due to the tendency of titanium alloy material to fill the grinding wheel, it brings difficulties to the grinding of titanium alloy rod and TC4 titanium alloy. During grinding, the higher temperature rise on the interface between the metal and the grinding wheel causes higher residual stress on the grinding surface.

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  • Titanium materials are widely used in various industries and sectors

    Titanium material because of its affinity to oxygen is particularly large, can generate a layer of dense oxide film on the surface, can make the titanium element is not subject to the medium, so it is particularly strong corrosion resistance.

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  • Niobium titanium alloy is the most pressure-resistant superconductor

    Recently, the State Key Laboratory of Superconductivity, Institute of Physics, Chinese Academy of Sciences/National Research Center for Condensed Matter Physics, Beijing, in collaboration with Princeton University, conducted a systematic study on the superconductivity of Nb-Ti alloy superconductors under ultra-high pressures.

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