Company Profile
Baoji Shenghui Titanium Industry Co., Ltd. is located in Baoji City, which is known as "Titanium City". We are a comprehensive enterprise specializing in smelting, processing, production, sales and R&D of titanium and titanium alloys, refractory and rare non-ferrous metals.
The factory was established in 2012. At present, the company has a complete production line of titanium metal and titanium alloy materials. It has achieved independent processing accuracy and product quality. With professional control, Various bars, processing parts, forgings and deep-sea cabins of different thicknesses, varieties and specifications can be produced on a large scale.
Why Choose Us
Rich Experience
The factory is famous for its physical production, advanced technology, strong technology, excellent quality, timely delivery and high reputation.
Professional Team
An efficient management system will provide you with the best quality goods and earlier delivery. Your satisfaction is our mission.
Quality Control
In strict accordance with ISO9001:2000 quality system certification, our company has successively won high-tech enterprises, 2 national invention patents, 6 national utility model patents, and has become one of the most dynamic processing enterprises in Baoji titanium industry.
Advanced Equipment
The company has 6-ton vacuum consumable electric arc furnace, 4500-ton hydraulic press, electrode welding platform, American Haas four-axis linkage machining center, three-coordinate measuring instrument, CNC lathe, sawing machine and other processing equipment.
Tantalum (element symbol Ta – number 73 on the periodic table) is a silver-grey hard, transition metal with a high density (16.6g/m3) and the fourth highest melting point (3,020°C).
Tantalum does not occur as a free metal in nature, but in the form of complex oxides and other minerals such as microlite or tantalite-columbite. Because of its complex mineral form, tantalum is mostly produced as a co-product and often associated in ore bodies with niobium, tin or lithium.
Worldwide, tantalum is primarily used to manufacture capacitors for electronic devices. However, in the EU, most of Ta use comes from imported semi-finished products rather than manufacturing.
Benefits of Tantalum
High Melting Point
Tantalum has a very high melting point, making it ideal for use in high-temperature applications.
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Corrosion Resistant
Tantalum is highly resistant to corrosion, making it ideal for use in corrosive environments.
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Low Density
Tantalum has a very low density, making it ideal for use in lightweight applications.
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Non-magnetic
Tantalum is non-magnetic, making it ideal for use in applications where magnetic materials are not desired.
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Biocompatible
Tantalum is biocompatible, making it ideal for use in medical implants and other medical devices.
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Application of Tantalum
Electronics Industry
Tantalum is widely regarded for its exceptional ability to store more charge per gram than other comparable metals. This makes tantalum ideal for the production of electrical capacitors and resistors, while the ability to hold substantial amounts of charge in a small component has made it possible for electronics manufacturers to miniaturize electrical parts and devices.
Automobiles
Tantalum is also well suited to automotive electronic systems. Components such as ignition and transmission systems regularly operate at high temperatures and, therefore, demand materials — such as tantalum — that are highly reliable in these environments. Other automotive tantalum uses include mechanisms such as GPS systems, anti-lock braking systems (ABS), and airbags, which require extremely low failure rates.
Medical Equipment
Tantalum is also well known for its biocompatibility. In other words, the metal does not produce toxic products or trigger adverse immunological responses when exposed to the body or bodily fluids. This makes tantalum ideal for pairing with living tissue in medical implants and prosthetics.
Oil And Gas Exploration
Oil and gas operations — extractions, in particular — regularly subject machines and tools to excessively high temperatures and pressures, while also exposing the equipment to corrosive sour gases such as hydrogen sulfide (H2S) and carbon dioxide (CO2). Tantalum, therefore, is very well suited for this industry thanks to its extremely high melting point and ability to resist most forms of chemical attack.
How Tantalum is Processed
The tantalum concentrate is transported to the processor for chemical processing. The concentrate is then treated with a mixture of hydrofluoric and sulphuric acids at high temperatures. This causes the tantalum and niobium to dissolve as fluorides. Numerous impurities are also dissolved. Other ores, such as silicon, iron, manganese, titanium, zirconium, uranium and thorium, are generally present and processed for other uses. The concentrate is broken down into a slurry. The slurry is filtered and further processed by solvent extraction. Using methyl isobutyl ketone (MIBK), or liquid ion exchange using an amine extractant in keroses, produces highly purified solutions of tantalum and niobium. Finally, this tantalum oxide is reduced with molten sodium to produce tantalum metal.
Craftsmanship Tantalum
Tantalum niobium ore is the main raw material for the production of tantalum, but it is often associated with a variety of metal, so the main step is the decomposition of tantalum smelting concentrates, purification and separation of tantalum and niobium, produced pure compound of tantalum and niobium, finally, we can produce metal.
To achieve ore – decomposition, we can use the hydrofluoric acid decomposition method, sodium hydroxide melting method, and chlorination. The method can be used in the separation of tantalum and niobium by solvent extraction, fractional crystallization, and ion exchange method.
The preparation of tantalum is the process of reducing pure tantalum compound to metal tantalum. The raw materials are five tantalum oxide, tantalum chloride, five tantalum fluoride, and fluoride. The reducing agent is sodium, magnesium and other active metals and carbon and hydrogen. It is necessary to further smelting or refining, in order to get dense metal.
The tantalum preparation methods are sodium thermal reduction, carbon thermal reduction, and molten salt electrolysis. Sodium thermal reduction of potassium tantalate is the most widely used method of tantalum production in the world.
The tantalum powder has a complex shape and large specific surface area. Carbon thermal reduction of five oxidation of tantalum has been an industrial method for the production of tantalum, but because the purity of the product is not high enough, is not as widely used as the sodium reduction method. The molten salt electrolysis method is divided into two ways: electrolyte electrolysis and oxygen-free electrolyte electrolysis. Molten salt electrolysis can only produce metallurgical grade tantalum powder.
The majority of tantalum powder is directly used for tantalum capacitors in the electronic manufacturing industry, so the tantalum milling process, such as preparation of tantalum metal is also from tantalum and tantalum powder by vacuum heat treatment, capacitor grade tantalum powder hydrogenation method category.
Chemical Properties of Tantalum
Tantalum’s chemical properties are characterized by its exceptional resistance to corrosion and high melting point, distinguishing it from many other metals.
Oxidation States
Tantalum predominantly exhibits a +5 oxidation state, which is the most stable and common for tantalum compounds. The +3 oxidation state is less common and typically observed in complex compounds.
Halides Formation
Tantalum forms halides primarily in the +5 oxidation state. These compounds are typically colorless, highly reactive, and can act as Lewis acids in chemical reactions.
Oxide Formation
Tantalum pentoxide (Ta₂O₅), is the most stable and common oxide of tantalum. It is a white, insoluble solid with a high melting point, used extensively in electronic components, such as capacitors and resistors, due to its high dielectric constant.
Aqueous Chemistry
In aqueous solutions, tantalum exhibits low reactivity due to the formation of a stable oxide layer on its surface, which protects it from further corrosion. This oxide layer is highly efficient in resisting attack by acids and bases, making tantalum useful in chemical processing equipment.
Complex Formation
Tantalum’s ability to form complex compounds, especially in its +5 oxidation state, is exploited in various catalysts and chemical synthesis processes.
Preparation of Tantalum
Coltan Separation
Tantalum is primarily extracted from the mineral coltan (columbite-tantalite), where it is found alongside niobium. The refinement process involves separating tantalum from niobium and other minerals due to their different chemical properties.
Liquid-Liquid Extraction
The separation of tantalum from niobium often utilizes liquid-liquid extraction methods, using organic solvents that selectively dissolve tantalum compounds.
Fluoride Reduction
Tantalum is purified through the reduction of potassium (K2TaF7), typically using metallic sodium in a reaction that yields pure tantalum metal.
Reduction Techniques
Pure tantalum can also be obtained by reducing tantalum pentachloride (TaCl5) or tantalum oxide (Ta2O5) with a reductant such as metallic sodium or magnesium.
Production of Tantalum
Extraction from Coltan Ores: Tantalum is primarily extracted from minerals like coltan (columbite-tantalite) due to its presence in such ores. The extraction process involves separating tantalum from other elements, given its unique chemical and physical properties.
Separation Process: The primary method for tantalum production involves solvent extraction and the use of electrochemical processes. These techniques separate tantalum from niobium and other elements based on differences in chemical properties.
Refining Techniques: After extraction, tantalum is further refined through processes like vacuum arc melting or electron-beam melting, resulting in high-purity tantalum metal or compounds suitable for various applications.
Niobium Co-production: The production of tantalum often occurs alongside niobium, another technologically important metal, and is separated from the processing stream of niobium.
Handling and Safety: Care is required in handling tantalum, especially in powder form, due to its ability to ignite in air at elevated temperatures, posing potential safety risks.
Analytical Detection: Techniques like X-ray diffraction (XRD) and inductively coupled plasma mass spectrometry (ICP-MS) are employed to analyze tantalum concentrations, ensuring the quality of the separation process and the purity of the final material.
Atomic Structure of Tantalum
Housing 73 protons in its nucleus, Tantalum’s atomic attributes are a gateway to understanding its role in advanced technologies.
Atomic Level: Each Tantalum atom is characterized by 73 protons, defining its position as atomic number 73 in the periodic table. The electron configuration of Tantalum is [Xe]4f¹⁴ 5d³ 6s², indicative of a complete 4f orbital, three electrons in the 5d orbital, and two in the 6s orbital. This configuration is crucial for its bonding and chemical behavior.
Molecular Formation: Tantalum naturally forms stable molecules, showcasing a consistent molecular structure across its compounds. Known for its high melting point and ability to forge complex compounds, such as tantalum oxide (Ta₂O₅), which serves as a critical component in electronic devices.
The stability and behavior of Tantalum under varying temperatures and pressures have been thoroughly investigated, revealing that it remains solid under standard conditions. Its high melting point and robustness at high temperatures underscore its importance in demanding applications like electronic devices, aerospace technology, and surgical implants, reflecting Tantalum’s pivotal role in pushing the boundaries of modern science and technology.
Tantalum Jewelry
Tantalum jewelry extends far beyond the realm of wedding bands, offering a fascinating array of options for those seeking something unique. From sleek bracelets and sophisticated cufflinks to elegant necklaces and modern earrings, tantalum's versatility knows no bounds. These pieces are not just accessories; they are statement-makers, effortlessly blending contemporary style with timeless appeal. For those captivated by the mystique of this metal, the choices are plentiful and exciting.
Designing jewelry with tantalum opens up a world of creative possibilities. Its rich, slate-blue hue provides a striking canvas for intricate engravings and bold, geometric shapes. Whether it's a minimalistic ring with clean lines or an intricately detailed pendant, tantalum's unique aesthetics cater to a wide range of tastes. The metal's ability to hold fine details makes it a favorite among designers looking to push the boundaries of traditional jewelry.
Tantalum's hypoallergenic properties make it an excellent choice for people with sensitive skin. Unlike some other metals, tantalum does not cause allergic reactions, making it a safer and more comfortable option. Additionally, its corrosion-resistant nature means that these pieces won't tarnish or degrade over time. This is particularly beneficial for those who wear their jewelry daily, as it maintains its luster without the need for frequent cleaning or special care.
Durability is a standout feature of tantalum jewelry, making it ideal for everyday wear. Unlike softer metals that can scratch or bend, tantalum is remarkably resilient. This durability translates to low maintenance, as its resistance to wear and tear means fewer repairs and less frequent polishing. For individuals who lead active lifestyles or simply prefer hassle-free elegance, tantalum provides a robust and reliable choice.
FAQ
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Tantalum, Polished Tantalum Rod