Industry-Verified Manufacturing Data (2026)

Tungsten-Rhenium Target Disk

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Tungsten-Rhenium Target Disk used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Tungsten-Rhenium Target Disk is characterized by the integration of Focal Track and Molybdenum Core/Base. In industrial production environments, manufacturers listed on CNFX commonly emphasize Tungsten-Rhenium alloy (typically 90-97% W, 3-10% Re) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A specialized rotating disk within medical X-ray tube anode assemblies that generates X-rays through electron bombardment.

Product Specifications

Technical details and manufacturing context for Tungsten-Rhenium Target Disk

Definition
The Tungsten-Rhenium Target Disk is a critical rotating component in medical X-ray tube anode assemblies. It serves as the focal point where high-energy electrons strike, converting kinetic energy into X-ray radiation through bremsstrahlung and characteristic radiation processes. This disk is specifically engineered to withstand extreme thermal loads and mechanical stresses during X-ray generation in medical imaging applications.
Working Principle
When high-voltage electrons from the cathode strike the rotating Tungsten-Rhenium Target Disk, their kinetic energy is converted into X-ray photons through bremsstrahlung (braking radiation) and characteristic radiation. The rotation distributes heat across the disk surface, preventing localized overheating and melting. The tungsten-rhenium alloy provides high atomic number for efficient X-ray production and enhanced thermal/mechanical properties.
Common Materials
Tungsten-Rhenium alloy (typically 90-97% W, 3-10% Re)
Technical Parameters
  • Diameter and thickness specifications critical for thermal management and X-ray focal spot size (mm) Per Request
Components / BOM
  • Focal Track
    Primary surface where electrons strike to generate X-rays, featuring optimized geometry for heat distribution
    Material: Tungsten-Rhenium alloy
  • Molybdenum Core/Base
    Structural support and thermal interface between target disk and rotor assembly
    Material: Molybdenum or molybdenum alloy
  • Bonding Layer
    Metallurgical bond between tungsten-rhenium focal track and molybdenum base
    Material: Brazing alloy (typically copper-based or silver-based)
Engineering Reasoning
1200-1800 K surface temperature, 6000-10000 rpm rotational speed, 40-80 kV electron acceleration voltage
Melting point of tungsten-rhenium alloy (3683 K), centrifugal stress exceeding 300 MPa yield strength, thermal gradient exceeding 500 K/mm
Design Rationale: Thermal fatigue from cyclic heating/cooling during pulsed operation, recrystallization embrittlement above 0.5 Tm (1841 K), electron backscatter erosion at >90 kV
Risk Mitigation (FMEA)
Trigger Insufficient cooling flow rate below 2.5 L/min
Mode: Localized melting at focal spot exceeding 3683 K
Strategy: Integrate redundant thermocouples with automatic power cutoff at 2000 K
Trigger Bearing wear causing rotational imbalance >0.01 mm eccentricity
Mode: Centrifugal stress concentration exceeding 450 MPa at disk periphery
Strategy: Implement eddy current displacement sensors with real-time balancing correction

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tungsten-Rhenium Target Disk.

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: High vacuum environment (10^-4 to 10^-6 Torr) required for X-ray tube operation
other spec: Maximum rotational speed: 10,000 RPM (typical), Electron beam power density: Up to 1 kW/mm²
temperature: Up to 3000°C (operating surface temperature during electron bombardment)
Media Compatibility
✓ High vacuum environments ✓ Medical X-ray tube assemblies ✓ Electron bombardment applications
Unsuitable: Oxidizing atmospheres at high temperatures (causes rapid degradation of tungsten-rhenium alloy)
Sizing Data Required
  • Required X-ray output power (kW)
  • Anode cooling system capacity (heat dissipation rate)
  • Target focal spot size and geometry requirements

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal fatigue cracking
Cause: Repeated thermal cycling during high-energy particle bombardment leads to differential expansion stresses, particularly at grain boundaries in the tungsten-rhenium alloy, eventually causing microcracks that propagate under cyclic loading.
Surface spallation and erosion
Cause: High-velocity particle impacts and intense localized heating cause material vaporization and ejection from the surface, exacerbated by the high operating temperatures that reduce material strength and promote grain boundary weakening.
Maintenance Indicators
  • Visible surface discoloration or localized melting spots indicating uneven thermal loading or cooling system failure
  • Audible popping or cracking sounds during operation suggesting thermal stress relief or material fracture events
Engineering Tips
  • Implement controlled ramp-up/ramp-down procedures to minimize thermal shock, using temperature monitoring to ensure the target stays within the alloy's optimal thermal gradient tolerance during operation cycles.
  • Establish regular surface inspection and profilometry measurements to detect early erosion patterns, combined with periodic annealing treatments (when feasible) to relieve accumulated thermal stresses and restore material ductility.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM B760 - Standard Specification for Tungsten Plate, Sheet, and Foil DIN 17007-1 - Materials for electrical engineering; materials for vacuum technology
Manufacturing Precision
  • Diameter: +/-0.05mm
  • Surface Roughness: Ra ≤ 0.8μm
Quality Inspection
  • Ultrasonic Testing for internal defects
  • X-ray Fluorescence (XRF) Analysis for alloy composition

Factories Producing Tungsten-Rhenium Target Disk

Verified manufacturers with capability to produce this product in China

✓ 95% Supplier Capability Match Found

P Procurement Specialist from Brazil Feb 24, 2026
★★★★★
"Testing the Tungsten-Rhenium Target Disk now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
T Technical Director from Canada Feb 21, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
P Project Engineer from United States Feb 18, 2026
★★★★★
"As a professional in the Computer, Electronic and Optical Product Manufacturing sector, I confirm this Tungsten-Rhenium Target Disk meets all ISO standards."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

16 sourcing managers are analyzing this specification now. Last inquiry for Tungsten-Rhenium Target Disk from Brazil (1h ago).

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Frequently Asked Questions

What are the benefits of using Tungsten-Rhenium alloy in X-ray target disks?

Tungsten-Rhenium alloy (90-97% W, 3-10% Re) provides superior thermal stability, higher melting point, and improved resistance to thermal fatigue compared to pure tungsten, resulting in longer service life and more consistent X-ray output in medical imaging applications.

How does the three-layer construction (Bonding Layer, Focal Track, Molybdenum Core) improve performance?

The multi-layer design optimizes thermal management: the Molybdenum core/base provides structural support and heat dissipation, the Tungsten-Rhenium focal track withstands electron bombardment to generate X-rays, and the bonding layer ensures secure adhesion between layers under extreme thermal cycling conditions.

What maintenance considerations are important for Tungsten-Rhenium target disks in medical X-ray systems?

Regular inspection for focal track wear, monitoring of X-ray output consistency, and adherence to manufacturer-recommended cooling cycles are essential. Proper vacuum maintenance in the X-ray tube assembly is critical to prevent oxidation and ensure optimal performance of the Tungsten-Rhenium target disk.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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