---
title: "Tungsten-Rhenium Target Disk"
industry: "Computer, Electronic and Optical Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:TUNGSTEN_RHENIUM_TARGET_DISK"
  data_integrity_hash: "e3a0013d2e89a334c407d7a989d13cd6"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:TUNGSTEN_RHENIUM_TARGET_DISK"
  data_source_uri: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/tungsten-rhenium-target-disk.md"
  official_resource_url: "https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/tungsten-rhenium-target-disk"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "1200-1800 K surface temperature, 6000-10000 rpm rotational speed, 40-80 kV electron acceleration voltage"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 3683
    unit: "K"
    consequence: "Thermal fatigue from cyclic heating/cooling during pulsed operation, recrystallization embrittlement above 0.5 Tm (1841 K), electron backscatter erosion at &gt;90 kV"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Insufficient cooling flow rate below 2.5 L/min"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate redundant thermocouples with automatic power cutoff at 2000 K"
  - node_2:
      trigger: "Bearing wear causing rotational imbalance &gt;0.01 mm eccentricity"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement eddy current displacement sensors with real-time balancing correction"
bom_nodes:
  focal-track:
    type: "part"
    urn: "URN:CNFX:ME:FOCAL_TRACK"
    interface_type: "physical-logic-coupled"
  molybdenum-corebase:
    type: "component"
    urn: "URN:CNFX:ME:MOLYBDENUM_COREBASE"
    interface_type: "physical-logic-coupled"
  bonding-layer:
    type: "component"
    urn: "URN:CNFX:ME:BONDING_LAYER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/tungsten-rhenium-target-disk.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "a60b3190498f14d78b35da0266fec91a4618384feb7be63c2a0ce316c87a8d43"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Tungsten-Rhenium Target Disk

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

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **1200-1800 K surface temperature, 6000-10000 rpm rotational speed, 40-80 kV electron acceleration voltage**. Failure boundary: **Melting point of tungsten-rhenium alloy (3683 K), centrifugal stress exceeding 300 MPa yield strength, thermal gradient exceeding 500 K/mm**, Mechanism: **Thermal fatigue from cyclic heating/cooling during pulsed operation, recrystallization embrittlement above 0.5 Tm (1841 K), electron backscatter erosion at &gt;90 kV**.

### 2.1 Analytical Physics Model
Governed by the **Heat Sterilization F0 Lethality Model**:

> **Primary Equation**: $F_0 = \int_{0}^{t} 10^{(T-121.1)/z} dt$  
> **Engineering Impact**: Validates microbial reduction integrity for aseptic packaging.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| T | Process Temp (°C) | **$T \in [121-135]$ °C** (Per `temperature_range`) |
| t | Exposure Time (min) | Engineering Constant |
| z | Z-value | **10 °C** (Standard for *C. botulinum*) |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Insufficient cooling flow rate below 2.5 L/min | 8 | Localized melting at focal spot exceeding 3683 K | Integrate redundant thermocouples with automatic power cutoff at 2000 K |
| Bearing wear causing rotational imbalance &gt;0.01 mm eccentricity | 8 | Centrifugal stress concentration exceeding 450 MPa at disk periphery | Implement eddy current displacement sensors with real-time balancing correction |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | mm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Focal Track](https://cnfx.com/llms/industry/computer-electronic-and-optical-product-manufacturing/product/focal-track.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **High-Vacuum Electron Beam Welding System**, **Precision CNC Lathe with Ceramic Tooling**, **Ultrasonic Cleaning System with Deionized Water**  
**Downstream Applications**: Medical X-Ray Tubes, CT Scanner X-Ray Assemblies, Industrial Non-Destructive Testing Equipment  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What are the benefits of using Tungsten-Rhenium alloy in X-ray target disks?
**A**: 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.

### Q: How does the three-layer construction (Bonding Layer, Focal Track, Molybdenum Core) improve performance?
**A**: 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.

### Q: What maintenance considerations are important for Tungsten-Rhenium target disks in medical X-ray systems?
**A**: 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.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Tungsten-Rhenium Target Disk](https://cnfx.com/industry/computer-electronic-and-optical-product-manufacturing/product/tungsten-rhenium-target-disk)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: TUNGSTEN_RHENIUM_TARGET_DISK | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 364834d6
