AEM Metal
- Refractory Metal Materials Manufacturer!
  • HOME
  • /
  • PRODUCTS
  • /
  • COMPANY
  • /
  • RESOURCES
  • /
  • NEWS
  • /
  • CONTACT
  •  

    Rhenium Rod

    Rhenium Rod
  • Rhenium Rod
  • Rhenium Rod
  • Precision-Crafted Rhenium Rods by AEM METAL: Your Solution for Advanced Applications

    At AEM METAL, our precision-crafted rhenium rods are designed for advanced applications requiring high purity and exceptional performance. With superior conductivity and high-temperature stability, our rhenium rods are the perfect solution for demanding environments.

    We ensure each rod meets the highest standards through rigorous quality control and state-of-the-art manufacturing. Trust AEM METAL's rhenium rods to deliver reliable performance and unmatched quality for your most critical needs.

    Rhenium Rod Specifications

    Specifications 4N grade Re>99 99%(calculated by subtraction method, except gas element)
    5N grade Re>99.999%( Calculated by subtraction method, except gas element)
    Appearance Grey or silver metallic cylinder
    Sizes Round rod D(10~20) *L (50~300) mm. Can be customized as per requirement

    Chemical Composition of Rhenium Rod

    Main content:Re 99.95% min(excluding gas elements)
    Maximum trace metallic impurities, analyzed by ICP-MS

    Trace Impurities (%, max)
    Element 4N Grade 5N Grade Element 4N Grade 5N Grade
    Na 0.0010 0.0001 Ni 0.0001 0.00001
    Mg 0.0001 0.00001 Cu 0.0001 0.00001
    Al 0.0001 0.00001 Zn 0.0001 0.00001
    Si 0.0005 0.00005 As 0.0001 0.00001
    P 0.0001 0.00005 Zr 0.0001 0.00001
    K 0.0010 0.0001 Mo 0.0010 0.0002
    Ca 0.0005 0.00005 Cd 0.0001 0.00001
    Ti 0.0001 0.00001 Sn 0.0001 0.00001
    V 0.0001 0.00001 Sb 0.0001 0.00001
    Cr 0.0001 0.00001 Ta 0.0001 0.00001
    Mn 0.0001 0.00001 W 0.0010 0.0002
    Fe 0.0005 0.00005 Pb 0.0001 0.00001
    Co 0.0001 0.00001 Bi 0.0001 0.00001
    Se 0.0001 0.00001 Tl 0.0001 0.00001
    Gas Element for Medium Density(%, max)
    O 0.03 0.03 C 0.005 0.002
    N 0.003 0.003 H 0.002 0.002
    Gas Element for High Density(%, max)
    O 0.003 0.003 C 0.005 0.002
    N 0.003 0.003 H 0.002 0.002

    Why Choose AEM METAL-Key Benefits of Our Rhenium Rod

    Exceptional Purity

    Our rhenium rods are crafted from the highest purity materials, ensuring optimal performance in critical applications.

    Precision Manufacturing

    We utilize advanced manufacturing techniques to produce rhenium rods with tight tolerances, ensuring consistent quality and reliability.

    High-Temperature Stability

    AEM METAL's rhenium rods are designed to withstand extreme temperatures, making them ideal for high-performance environments.

    Corrosion Resistance

    Our rhenium rods offer excellent resistance to corrosion, extending their lifespan even in harsh conditions.

    Customization Options

    We provide tailored solutions to meet your specific requirements, offering a range of sizes and specifications to suit diverse applications.

    How to Manufacture Rhenium Rod

    Rhenium Powder Preparation
    Powder Compaction
    Sintering
    Hot Working
    Machining and Surface Finishing

    Rhenium Powder Preparation

    • Raw Material Sourcing:
      The process begins with the acquisition of high-purity ammonium perrhenate (APR), which is the primary raw material for producing rhenium.
    • Reduction:
      The APR is reduced in a hydrogen atmosphere at high temperatures (around 600–700°C) to produce rhenium powder. This step is critical for achieving high purity in the final product.

    Powder Compaction

    • Pressing:
      The rhenium powder is then compacted into a green (unfired) rod shape using a hydraulic or mechanical press. The pressure applied must be uniform to ensure consistency in density and structure.
    • Cold Isostatic Pressing (CIP):
      In some cases, the green rods undergo cold isostatic pressing, where the compacted powder is subjected to pressure from all sides in a sealed container. This enhances the uniformity and strength of the compacted rods.

    Sintering

    • High-Temperature Sintering:
      The compacted rods are then sintered at extremely high temperatures (typically between 1,500 and 2,000°C) in a controlled atmosphere. This process causes the powder particles to bond together, increasing the rod's density and strength while reducing porosity.
    • Vacuum or Hydrogen Atmosphere:
      Sintering is usually done in a vacuum or a hydrogen atmosphere to prevent oxidation and maintain the purity of the rhenium.

    Hot Working

    • Hot Rolling or Forging:
      After sintering, the rhenium rods are hot-worked through processes such as rolling or forging. These methods further refine the rod's microstructure and enhance its mechanical properties.
    • Annealing:
      The rods may undergo annealing, where they are heated and then slowly cooled to relieve internal stresses and improve ductility.

    Machining and Surface Finishing

    • Precision Machining:
      The sintered and hot-worked rods are then machined to the desired dimensions. This step involves grinding, turning, or milling to achieve the required diameter, length, and surface finish.
    • ·Surface Treatment:
      Additional surface treatments, such as polishing, may be applied to enhance the rod's appearance and ensure smoothness, which is crucial for certain applications.

    Commitment to Quality Assurance

     

    Material Purity Analysis

    X-Ray Fluorescence (XRF): This non-destructive technique is used to analyze the elemental composition of the rhenium rod, ensuring it meets the desired purity levels.

    Inductively Coupled Plasma Mass Spectrometry (ICP-MS): This method detects trace impurities in the rhenium material, providing a precise measurement of its purity.

    Dimensional and Surface Inspection

    Microscopy: High-resolution optical or electron microscopes are used to inspect the surface for defects like cracks, voids, or inclusions that could affect the rod's performance.

    Coordinate Measuring Machine (CMM): CMMs are employed to ensure that the rod dimensions adhere to strict tolerances, verifying the precision of its manufacturing.

     

    Mechanical Testing

    Tensile Testing: This test measures the strength of the rhenium rod by applying tension until it breaks, providing data on its tensile strength and elongation properties.

    Hardness Testing: Methods like the Vickers or Rockwell hardness tests are used to determine the material's hardness, ensuring it meets the required mechanical specifications.

    Thermal and Electrical Testing

    Thermal Conductivity Test: This test measures the rod's ability to conduct heat, which is crucial for applications in high-temperature environments.

    Electrical Resistivity Test: This test evaluates the electrical resistance of the rhenium rod, ensuring it meets the necessary conductivity requirements for its intended use.

    Non-Destructive Testing (NDT)

    Ultrasonic Testing: Ultrasonic waves are used to detect internal defects like voids or cracks without damaging the rod.

    Eddy Current Testing: This method identifies surface and sub-surface flaws by inducing an electric current in the rod and measuring the resulting magnetic field.

    Versatile Applications of Rhenium Rod

     

    Vacuum Equipment Manufacturing

    Rhenium Rods are widely employed in the production of vacuum equipment due to their superior corrosion resistance. They are critical in the fabrication of components like vacuum tubes, furnaces, and other devices that operate under low-pressure environments, ensuring durability and reliability.

     

    Semiconductor Manufacturing

    In semiconductor production, Rhenium Rods are indispensable for crafting electrodes and connectors in electronic components. Their high electrical conductivity and thermal stability make them ideal for applications that demand precision and consistent performance.

     

    Medical Devices

    Rhenium Rods play a crucial role in the manufacturing of medical devices, particularly those that require biocompatibility and reliability. Their unique properties ensure that medical instruments and implants maintain their performance in demanding conditions, contributing to advancements in healthcare technology.

     

    Aerospace

    In the aerospace industry, Rhenium Rods are employed in the construction of jet engine components such as turbine blades and combustion chambers. Their ability to withstand extremely high temperatures and mechanical stresses makes them essential for maintaining the efficiency and safety of modern aircraft.

     

    X-ray Technology

    Rhenium Rods are utilized as anode materials in X-ray tubes, both for medical imaging and industrial radiography. Their contribution to X-ray technology enhances the precision and effectiveness of diagnostic tools, enabling clearer imaging and more accurate diagnostics.

     

    Catalysis

    Rhenium Rods act as catalysts in various chemical reactions, particularly in the petrochemical industry. They facilitate processes such as hydrogenation and reforming, playing a critical role in the production of fuels and chemicals, thereby supporting the energy and manufacturing sectors.

    Exceptional Product Features Compared to Competitors

    High-Temperature Stability

    • Rhenium Rod: Rhenium rods offer remarkable stability at extremely high temperatures, maintaining their structural integrity even in environments exceeding 3000°C. This makes them indispensable in applications like aerospace, nuclear reactors, and high-performance engines.
    • Compared to Tungsten and Molybdenum: While tungsten and molybdenum also exhibit high-temperature resistance, they cannot match rhenium's ability to maintain ductility at these extreme temperatures. Tungsten is more brittle, and molybdenum has a lower melting point.
     

    Corrosion Resistance

    • Rhenium Rod: Rhenium rods provide outstanding resistance to corrosion, especially in harsh environments such as those with exposure to acids and other corrosive substances. This ensures a longer lifespan and reduced maintenance in critical applications.
    • Compared to Nickel Alloys and Stainless Steel: While nickel alloys and stainless steel offer good corrosion resistance, rhenium's superior chemical stability provides better protection against aggressive chemicals and extreme conditions.
     

    Electrical Conductivity

    • Rhenium Rod: Rhenium rods possess excellent electrical conductivity, making them ideal for use in electronic components and electrical contacts where consistent performance is critical.
    • Compared to Copper and Silver: Although copper and silver are known for their high conductivity, rhenium rods offer the added benefit of maintaining conductivity at high temperatures, where copper and silver would typically degrade.
     

    Ductility at High Temperatures

    • Rhenium Rod: Rhenium maintains excellent ductility even at temperatures where other materials would become brittle. This makes it a preferred choice in applications requiring both high strength and flexibility under thermal stress.
    • Compared to Tungsten and Tantalum: Tungsten, while strong, becomes brittle at high temperatures, and tantalum, though ductile, lacks the extreme temperature resilience of rhenium.
     

    Thermal Shock Resistance

    • Rhenium Rod: Rhenium rods are highly resistant to thermal shock, allowing them to withstand rapid temperature changes without cracking or losing performance. This is crucial in environments with fluctuating thermal conditions.
    • Compared to Zirconium and Graphite: Zirconium offers good thermal shock resistance but can corrode easily, and graphite, while resistant to thermal shock, lacks the strength and ductility of rhenium in high-temperature applications.
     

    Frequently Asked Questions About Rhenium Rod

    • Can rhenium rods be customized to specific dimensions? 
       

      Yes, rhenium rods can be manufactured to custom specifications, including specific diameters, lengths, and tolerances. Customization is often available to meet the unique requirements of different industries and applications.

    • Can rhenium rods be alloyed with other metals? 
       

      Yes, rhenium can be alloyed with other metals, such as tungsten or molybdenum, to enhance certain properties. Rhenium alloys are often used in aerospace and electronics for improved strength, thermal stability, and corrosion resistance.

    • Are rhenium rods recyclable? 
       

      Yes, rhenium rods are recyclable. Due to the high value of rhenium, it is often recovered and recycled from used components. Recycling rhenium helps reduce costs and conserve this rare and valuable metal.

    • How do rhenium rods perform under high stress and pressure? 
       

      Rhenium rods perform exceptionally well under high stress and pressure due to their high tensile strength and ductility. They maintain their structural integrity in extreme environments, making them suitable for critical applications like deep-sea exploration and high-performance engineering.

    • How should rhenium rods be stored and handled? 
       

      Rhenium rods should be stored in a dry, clean environment to prevent contamination. Although rhenium is highly resistant to oxidation, proper handling procedures should be followed to avoid any damage to the rods, especially during transportation and storage.

    • What are the safety considerations when working with rhenium rods? 
       

      Rhenium itself is not toxic, but safety precautions should be taken when machining or handling the material to avoid exposure to fine particles or dust. Proper ventilation, protective equipment, and adherence to safety guidelines are recommended.

    • What are the challenges in machining rhenium rods? 
       

      Machining rhenium rods is challenging due to the metal's hardness and high density. Specialized tools, often diamond-tipped, are required, and the process must be carefully controlled to prevent tool wear and achieve precise tolerances.

    • What kind of support or technical assistance is available for customers? 
       

      We provide comprehensive technical support, including assistance with material selection, customization guidance, and post-purchase support to ensure customers achieve optimal results with our rhenium products.

    • What shipping methods do you use to deliver products? 
       

      We typically opt for UPS, DHL, or FedEx. However, for shipments over 100 kg, sea transportation is an option. Feel free to specify your preferred shipping method.

    • How long does it usually take for goods to be delivered? 
       

      Delivery typically takes 3-4 weeks, subject to the product's complexity, quantity, and order volume. Please also understand that if transportation volume accumulates during holidays, the delivery time may be slower.

     

    Request a Customized Rhenium Quote Now

    No matter what kind of rhenium product you require, our vast experience enables us to manufacture it.
    Contact us for advice on choosing and using rhenium.
    Get a quote now or let us know what you're looking for and we will get back to you soon!
    Talk To The Metal Expert

    You May Like

    views 

    Request a Free Quote

    Send us a message if you have any questions or request a quote. We will be back to you ASAP!

  • Name *
  • Company *
  • Email *
  • Phone
  • Address
  • Materials Needed *