Non-consumable Vacuum Arc Melting Furnace for High Melting Point Alloys and Amorphous Materials

Product Overview

This non-consumable vacuum arc melting furnace represents a premier solution for laboratories engaged in advanced materials research and development. Engineered to generate arc temperatures exceeding 3500°C, the unit effortlessly melts refractory metals and complex alloys that are impossible to process with conventional induction or resistance furnaces. Operating within a high-vacuum, inert-gas environment, it guarantees exceptional purity and prevents oxidation, making it indispensable for producing novel metallic materials. The system combines robust vacuum integrity, precise arc control, and flexible tooling options, delivering consistent results across a wide range of material compositions and sample geometries.

Primarily utilized in university research departments, government labs, and industrial R&D centers, this equipment excels in synthesizing high-entropy alloys, bulk amorphous metals, and superalloys for aerospace and energy applications. Its multi-station crucible design allows simultaneous processing of multiple samples, while integrated suction and optional gravity casting capabilities enable the production of test coupons and near-net-shape components directly from the melt. This versatility makes the furnace an ideal platform for both fundamental studies and small-batch pilot production.

Backed by decades of engineering expertise in high-temperature thermal systems, this arc melting platform is built to withstand the rigors of daily use. Key components such as the water-cooled copper hearth, high-frequency igniter, and sealed electrode manipulator are fabricated from premium materials and subjected to stringent quality control. The result is a reliable workhorse that maintains performance stability over thousands of cycles, giving research teams the confidence to push the boundaries of materials science without equipment limitations.

Key Features

• Ultra-High Arc Temperature: The plasma arc reaches well above 3500°C, sufficient to melt tungsten, tantalum, and other refractory metals. This high energy density ensures complete liquefaction even of the most heat-resistant materials in seconds, enabling research into alloys that are otherwise unprocessable.
• Large Viewing Window: A generously sized observation port, integrated into the chamber door, provides a clear, direct view of the melt pool. Operators can monitor the arc behavior, melt flow, and sample condition in real time without compromising the vacuum or inert atmosphere, a critical advantage for precise alloying control.
• Multi-Station Crucible Design: The water-cooled copper hearth accommodates 1 to 5 hemispherical crucible pockets, each 50 mm in diameter. This allows parallel processing of different compositions or multiple ingots from the same batch, significantly improving throughput in research settings and enabling combinatorial materials screening.
• Integrated Suction Casting: A dedicated suction casting station, with molds that slide-fit for quick tool changes, produces rods, tensile specimens, or amorphous coupons. The design enables rapid mold exchange and easy clean-up between runs, making it ideal for iterative experiments.
• High-Vacuum Environment: Configurable vacuum systems—from direct-drive rotary pumps to turbo-molecular pump combinations—achieve ultimate pressures as low as 5×10⁻⁴ Pa. The inert argon blanket ensures oxygen- and nitrogen-sensitive alloys retain their designed properties, eliminating oxidation-related defects.
• Rapid Melt Cycles: Most metallic charges, whether powders, chips, or turnings, achieve full melting in under one minute. This speed not only boosts productivity but also minimizes exposure to potential contaminants, preserving the purity of reactive and high-value materials.
• In-Situ Flipping and Transfer: A manual flipping mechanism attached to the crucible assembly permits turning over or transferring the melt button without breaking the chamber seal. This capability is critical for homogenizing alloys through repeated re-melting, a common requirement in high-entropy alloy development.
• Electromagnetic Stirring Option: One crucible station can be equipped with a stirring coil to homogenize the melt pool, reduce temperature gradients, and promote uniform alloying, especially beneficial for complex multi-element systems where elemental segregation must be avoided.
• Flexible Sample Acceptance: The furnace accepts a wide variety of feedstock forms: powders, wires, chips, granules, turnings, and even mixed scrap. This flexibility eliminates the need for pre-compaction in many cases and reduces preparation time.
• Precision Electric Manipulator: The electrode rod is driven by an electric lift, enabling smooth and reproducible positioning of the arc. Combined with a ball-seal joint for the manipulator, it offers precise control with minimal wear, ensuring consistent melt conditions over long-term use.
• Upgrade-Ready Platform: Beyond standard configuration, the system can be fitted with additional modules such as a gravity casting kit, extended crucible sizes, or enhanced automation features. Custom engineering is available to meet unique research requirements, future-proofing your investment.
• Intuitive Touchscreen Control: A PLC-driven touchscreen interface consolidates all operating parameters—vacuum, current, arc ignition, gas flow—into a single, user-friendly panel. Pre-programmable recipes and fault diagnostics simplify training and operation, reducing the learning curve for new users.

Applications

Technical Specifications

The following table summarizes the core technical parameters of the TU-DH08 non-consumable vacuum arc melting system. All values are based on standard factory configuration; custom alterations may affect specifications.

Why Choose This Product

• Proven Reliability Under Extreme Conditions: The water-cooled copper hearth, high-frequency igniter, and sealing components are designed for thousands of thermal cycles, delivering consistent performance in demanding research environments. Users report stable arc characteristics and minimal maintenance over years of daily operation, making this furnace a trusted asset in top materials science laboratories worldwide.
• Superior Contamination Control: The high-vacuum chamber and inert argon purging effectively eliminate oxygen, nitrogen, and moisture, enabling the synthesis of alloys with exact compositions. This purity is essential for achieving reproducible mechanical and physical properties, particularly in reactive materials where even trace impurities can drastically alter behavior.
• Adaptable to Evolving Research Needs: The modular configuration—from crucible layout to vacuum pump selection and optional casting modules—ensures the system can grow with your research program. Whether you start with a basic setup and later add stirring or automation, the platform accommodates upgrades without major rework, protecting your initial investment.
• Engineered for Operator Safety and Ease of Use: The touchscreen PLC, electric electrode lift, and side-access door minimize manual handling and reduce ergonomic strain. Real-time monitoring through the large window and intuitive interface shortens training time and lowers the risk of operational errors, allowing researchers to focus on science rather than equipment complexity.
• Comprehensive Application Support: Our engineering team works closely with customers from initial specification to installation and beyond. Custom hearth geometries, special mold designs, and automation enhancements are routinely provided to match unique experimental requirements. This collaborative approach ensures you receive a solution that precisely fits your workflow.

For a tailored solution that fits your specific research or production goals, please contact our technical sales team. We will provide a detailed quotation and can arrange process demonstrations.