LuoYang Matvey New Materials Technology CO.,LTD

#MIM #TUNGSTEN #MOLYBDENUM The application of tungsten and molybdenum products in Metal Injection Molding (MIM) processing is relatively small, but not completely impossible. The MIM process is suitable for the manufacture of metal parts with complex shapes, by mixing metal powders with adhesives, then injection molding, and then sintering to remove the adhesives and bind the metal powders to form the final metal parts. The two materials, tungsten and molybdenum, are very useful in some high-temperature or high-strength applications due to their high melting point, high density and excellent mechanical properties. However, their high melting point (approximately 3422°C for tungsten and 2620°C for molybdenum) makes their application in MIM processing challenging. The MIM process is usually suitable for metals or alloys with lower melting points, so that the sintering process can be completed at relatively low temperatures. Regarding machining accuracy, the MIM process can achieve very high accuracy and detail, usually around 0.1mm. However, when dealing with tungsten and molybdenum, the sintering process can be more complex due to the special properties of these materials, requiring specially optimized process parameters to guarantee the quality and accuracy of the final product. In addition, the powder handling and sintering process of tungsten and molybdenum may require higher technical requirements and equipment investment. In general, although tungsten and molybdenum are not often used in MIM processes, if there is a special need, you can try to apply these materials to MIM and optimize its processing accuracy by adjusting the process parameters. In practical applications, experiments and validation are usually required to ensure the feasibility of the process and the performance of the product.

Silver plating is possible on pure tungsten, but the process has its challenges and special requirements. Tungsten is a very hard and high-temperature resistant metal, which makes it require special treatment when silvering. Here are some things to look out for: Surface preparation: The surface of tungsten must be thoroughly cleaned to remove any oxides, oils or other contaminants. It is usually achieved by mechanical grinding, chemical treatment or ultrasonic cleaning. Passivation treatment: The surface of tungsten is easy to form an oxide layer, which may affect the adhesion of silver plating. In order to ensure that the silver layer can adhere to the tungsten well, passivation treatment is usually required to remove the oxide layer of tungsten. Silver plating process selection: electroless silver plating is often used for silver plating on tungsten. Electroless silver plating can better adapt to the surface characteristics of tungsten and provide a uniform coating. Coating thickness: Considering that the silver layer may soften or fall off at high temperatures, the thickness of the coating should be designed according to actual needs. Thicker coatings usually provide better protection, but uniformity and adhesion of the coating also need to be considered. Heat treatment: Tungsten materials after silver plating may require appropriate heat treatment to improve the adhesion and overall stability of the coating. Pay attention to control the temperature and time of heat treatment to avoid adverse effects on the tungsten matrix. Testing and quality control: Testing is required after silver plating to ensure that the adhesion, uniformity and corrosion resistance of the coating meet the requirements.

With the rapid development of the automobile industry, cross molybdenum sheet, as an important component in automobile manufacturing, has become one of the indispensable parts in the automobile industry. The main function of the cross molybdenum sheet is to connect and support the various components of the automobile transmission system, such as the drive shaft, the differential, etc., which plays the role of transmitting power, reducing vibration and improving vehicle stability. Taking a well-known automobile manufacturer as an example, they have widely adopted high-quality cross-molybdenum tablets in their new SUV models to improve the performance and driving experience of the vehicle. Using advanced manufacturing processes and materials, these cross molybdenum sheets have higher strength and durability, which can effectively reduce the energy loss of the transmission system, making the vehicle more stable and reliable under high-speed driving and complex road conditions. In addition to improving performance, cross molybdenum tablets also play a key role in automotive manufacturing. By ensuring the stability and reliability of the transmission system, the cross molybdenum sheet can reduce the risk of accidents caused by transmission system failure and ensure the safety of drivers and passengers. In summary, the application cases of cross molybdenum sheet in the automobile manufacturing industry not only reflect its important role in improving vehicle performance and driving safety, but also show the continuous progress and innovation of modern automobile manufacturing technology. As automotive manufacturing technology continues to evolve, Cross molybdenum tablets will continue to play a key role in driving the automotive industry towards a more cutting-edge, safe and intelligent future.

#TZM When making TZM head, the additional carbon content is mainly based on the following considerations: First, improve material performance Enhance high temperature strength and creep resistance: Carbon as a gap element, in TZM alloy and molybdenum matrix replacement elements (such as titanium, zirconium) react with each other to form a spherical compound carbide particles precipitation. This dispersion strengthening mechanism can significantly improve the high temperature strength and creep resistance of molybdenum, and make TZM head work better in high temperature and harsh environment. Increase the recrystallization temperature: The addition of carbon helps to increase the structural stability of TZM alloy and increase the recrystallization temperature, thus extending the service life of the material. Secend. Meet the requirements of specific application scenarios TZM head is mainly used for perforating seamless steel pipes, such as stainless steel, brazed steel, high temperature alloy steel, molybdenum and other special parts. These materials need to withstand extreme conditions such as high temperature and high pressure during processing, so the material properties of the head have extremely high requirements. By increasing the carbon content, the high temperature resistance and creep resistance of the TZM head can be further improved to better meet the needs of these special application scenarios. Third. Process control Although increasing the carbon content can improve the performance of the TZM head, it also requires strict control of the production process. In the preparation process, it is necessary to ensure that the density and crystal structure meet the requirements to ensure the overall quality of the TZM head. Summary In summary, the additional carbon content when making TZM head is to improve the high temperature strength, creep resistance and recrystallization temperature of the material, so as to meet the needs of specific application scenarios. At the same time, this also requires strict control of the production process to ensure the overall quality of the TZM head.

Niobium Tungsten 521 alloy is a special alloy, mainly composed of niobium (Nb), tungsten (W) and a small number of other elements (such as molybdenum (Mo)). Its specific composition and performance may vary according to different application requirements. The following are some of the main features and application areas of niobium tungsten 521 alloy: Step 1: Ingredients Niobium (Nb) : about 50-60%. Niobium is the main matrix element, which gives the alloy excellent high temperature properties and strength. Tungsten (W) : about 20-30%. The addition of tungsten improves the high temperature stability and hardness of the alloy. Molybdenum (Mo) : Small amount. Molybdenum is often added to enhance the strength and oxidation resistance of alloys. Step 2: Nature High temperature strength: Niobium tungsten 521 alloy shows excellent strength and stability at high temperatures, and is suitable for extreme high temperature environments. Corrosion resistance: The alloy has good corrosion resistance and oxidation resistance, and can maintain performance in harsh environments. Low density: Niobium tungsten 521 has a relatively low product density in high temperature resistant metals, all in 8.6-9.0g/cm³, far lower than tungsten 19.2g/cm³ 3. Application field Aerospace: In the aerospace industry, niobium tungsten 521 alloy is used in the manufacture of high-temperature structural parts and engine components due to its high temperature stability and strength. Nuclear industry: Used in nuclear reactors, especially those components that require high temperature and radiation resistance. Superalloy tools: In some special superalloy tools, niobium tungsten 521 alloy may also be used to improve performance. 4. Manufacturing and processing Due to the high melting point and high density of niobium tungsten 521 alloy, processing is difficult and usually requires the use of specialized equipment and technology, such as high-temperature welding and precision milling. In summary, niobium tungsten 521 alloy is a high-performance material suitable for applications requiring extreme high temperatures and strength.

In recent years, with the rapid development of heavy machinery manufacturing industry, tungsten plate as a kind of high hardness, high strength metal material is widely used. Taking excavator manufacturing as an example, tungsten plate is often used to manufacture buckets, blades and other parts that need to have wear resistance. Due to the high hardness and wear resistance of tungsten plate, it can effectively extend the service life of mechanical parts and reduce maintenance costs. In addition to the application in the field of excavator manufacturing, tungsten plate is also widely used in mining equipment, construction machinery and other fields. In the mining equipment manufacturing, tungsten plate is used to manufacture the hammer head, grinding ball and other easy-to-wear parts of the crusher, which improves the service life and production efficiency of the equipment. In the field of construction machinery, tungsten plate is often used in parts such as mixing knives of concrete mixers, so that mechanical equipment has a longer service life and higher working efficiency. In general, tungsten plate plays an important role in the heavy machinery manufacturing industry and continues to receive attention in the manufacturing field. Its excellent performance characteristics make it the best material for the manufacture of high-strength, wear-resistant parts, and make a positive contribution to improving the performance and reliability of mechanical equipment.

Here are some important trends and developments in the current tungsten market: 1. Supply chain adjustment The global tungsten supply chain is undergoing significant adjustments. Due to geopolitical tensions and the tightening of environmental regulations, the supply of major tungsten producers - China and Myanmar - has been affected. China, as the world's largest tungsten producer and exporter, is strengthening environmental supervision of tungsten mining while promoting industrial upgrading. This has led to tight supply in the global tungsten market and pushed up the price of tungsten. 2. Price volatility In the first half of 2024, tungsten prices experienced sharp fluctuations. According to the latest data, tungsten concentrate prices rose significantly at the beginning of the year, reaching a high of $30,000 per ton. Still, prices have fallen back slightly in recent months, but remain at relatively high levels. This volatility is mainly driven by tight supply and changes in market demand. 3. Demand growth Demand for tungsten continues to grow in a number of industries. Especially in the field of new energy vehicles and high-tech electronic products, the application of tungsten is expanding. With the rapid development of the electric vehicle (EV) market, the demand for tungsten is also increasing as it is used to manufacture components for high-performance batteries and electric motors. In addition, the development of 5G technology has also driven the demand for tungsten in high-frequency electronic components. 4. Environment and recycling Environmental issues are getting more and more attention, and the tungsten industry is also actively responding to environmental challenges. The environmental impact of the production process and the sustainability of tungsten mining are driving technological innovation in the industry. The technology to recover tungsten has been improved, especially in the treatment and reuse of electronic waste. The high recovery rate of tungsten is a highlight of the industry, which can effectively reduce the dependence on raw ore. 5. Emerging markets In addition to the traditional tungsten consumption market, China and Europe and the United States, the demand for tungsten in emerging markets is also growing. India and Southeast Asian countries are showing increasing potential in terms of tungsten applications and production capacity. As the industrialization of these markets accelerates, the demand for tungsten is also expected to further increase. 6. Technological progress Technological innovation plays an important role in the tungsten industry. The development and application of new tungsten alloys are improving the performance of tungsten in extreme environments, such as stability under high temperature and high pressure conditions. Tungsten superalloys are particularly suited for aerospace and defense applications and provide critical support for these demanding applications.

Hot isostatic pressing is a manufacturing process used to improve the properties of materials, mainly used in metals, ceramics and composites. The basic principle of this process is to use high temperature and high pressure to eliminate the pores and defects inside the material, thereby enhancing the density and mechanical properties of the material. The main steps of the hot isostatic pressing process Material preparation: First, the material to be processed (usually metal powder, ceramic powder, or prefabricated parts) is placed in an airtight container. For powder materials, this container is usually a sealed mold. Heating and pressurization: The container is placed in a hot isostatic press and the material in the container is heated to a high temperature (usually between 1000°C and 2000°C) using a heating system, while high pressure (usually several thousand mpa) is applied through a gas (such as argon) or liquid medium. Heating and pressurization are carried out at the same time to ensure that the material is evenly stressed under high temperature and pressure. Insulation stage: kept for a period of time under high temperature and pressure conditions, so that the pores, bubbles and defects inside the material are gradually compressed and eliminated. The time and temperature of this stage depends on the type of material and the target properties. Cooling and pressure release: After finishing the treatment, slowly cool the material, and gradually release the pressure, and finally remove the treated material or part. Advantages of hot isostatic pressing process Increase material density: Increase the overall density of the material by eliminating pores and defects. Improved mechanical properties: Materials treated with HIP generally have better strength, toughness and fatigue properties. Uniform performance: The hot isostatic pressing process can achieve uniform performance improvements throughout the material or part. Wide range of applications: Suitable for a variety of materials, including high-performance alloys, ceramics and composites. Application field Aerospace: Used in the manufacture of high-strength, heat-resistant components, such as engine blades and structural parts. Automotive industry: For the production of high-performance engine components and other critical parts. Medical devices: For the manufacture of biocompatible medical devices and implants. Energy industry: Used to make components resistant to high temperatures and pressures, such as oil drilling equipment and components for nuclear power plants. Through the hot isostatic pressing process, the performance of materials can be significantly improved to meet the needs of modern industry for high-performance materials.

#Anodization #Titanium Did you know that titanium alloys show different surface colors after type 3 anodization at different voltages? This is because under different voltages, the thickness of the oxide film will be different, and the thickness of the film will affect the interference effect of light, so that the surface of the titanium alloy is colorful.

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