1. Core Technological Breakthroughs: High-Precision CNC Machining and Thermal Shock-Resistant Structural Design
(1) High-Precision CNC Machining Technology
Challenges and Solutions:
Graphite’s inherent brittleness and low hardness (Mohs hardness 1-2) lead to edge chipping (up to 15% defect rate) in conventional machining. By utilizing multi-axis CNC machine tools (precision ±0.005mm), diamond-coated tools (3x lifespan improvement), and an adaptive cutting parameter system (feed rate optimized to 500-800 mm/min), the processing yield has been increased to over 98%.
Innovations:
- Proprietary CAM software for graphite enables stable machining of thin-walled structures (<0.1mm), achieving a surface roughness of Ra ≤0.8μm (50% improvement over traditional methods).
(2) Thermal Shock-Resistant Structural Design System
Thermodynamic Simulation Optimization:
Transient thermal analysis using ANSYS Thermal module guided the design of gradient porosity structures (5%-20% gradual porosity), elevating the thermal shock resistance index R”” to >3000 W/m (40% higher than homogeneous structures).
Composite Reinforcement Technology:
- Carbon fiber preforms (T300 grade, 15% volume fraction) embedded in stress-concentration zones increased thermal shock cycles (1300℃ ↔ room temperature) from 50 to 200 cycles, meeting aerospace standard AMS 2750E.
2. Industry Application Matrix and Performance Metrics
| Application Field | Typical Component | Key Technical Indicators | Industry Standard Compliance |
|---|---|---|---|
| Semiconductor Manufacturing | 300mm Wafer E-Chucks | Flatness ≤5μm/φ300mm, Resistivity ≤5mΩ·cm | SEMI E172-1109 |
| PV Monocrystalline Furnace | Thermal Field Insulation Cylinder | 2200℃ endurance ≥3000h, He leakage ≤1×10^-9 Pa·m³/s | GB/T 34218-2017 |
| Aerospace Engines | Turbine Disk HIP Molds | Compressive strength ≥120MPa@1600℃, CTE 2.8×10^-6/℃ | HB 7780-2005 |
3. Material System Innovations
Three-Stage Purification Process:
High-temperature chlorination (2800℃) reduces ash content to 5ppm (two orders of magnitude cleaner than conventional graphite at 200-500ppm).
Nano-Reinforced Impregnation:
Silicon carbide nanowires (50nm diameter) in composite impregnants boost flexural strength from 35MPa to 85MPa (143% increase).
4. Full Lifecycle Management
Digital Twin System:
IoT sensors (2000℃ resistant) monitor real-time deformation, while ML algorithms predict remaining lifespan (error ≤5%), reducing maintenance costs by 40% versus scheduled replacements.
Regenerative Repair Technology:
CVD surface restoration achieves 70% scrap recovery rate, elevating material utilization from 55% to 85%.
5. Market Impact Data
- 78% penetration in 12-inch wafer fabs, replacing 65% of imported brands.
- 18-month lifespan for PV furnace components (industry average: 12 months).
- 40% cost reduction and 45-day delivery for aerospace molds.
XRD Graphite Company Profile
Founded in 2011 and headquartered in Baofeng High-Tech Industrial Park, Pingdingshan, Henan, XRD Graphite is a national high-tech enterprise integrating R&D, production, sales, and service. Specializing in carbon-graphite material innovation, precision machining, and applications across nuclear, semiconductor, new energy (PV/lithium batteries), and aerospace sectors, its clients include global leaders like CNNC, GCL Solar, and Mitsubishi Electric.
Key Milestones:
- 2015: Listed on Guangdong Financial High-Tech Zone Equity Exchange; certified supplier for CNNC.
- 2017: Recognized as National High-Tech Enterprise; passed military quality system certification.
- 2023: First global AS9100D aviation certification; led formulation of national graphite machining standards.
- 2024: Hydrogen fuel cell bipolar plate project入选国家“十四五”新材料重点专项 (selected for China’s 14th Five-Year Plan Key Materials Program).
XRD Graphite’s core competitiveness lies in “material innovation + precision manufacturing + scenario empowerment”, establishing a full-industry-chain barrier from raw material purification to intelligent machining services. Its technological evolution not only reflects the arduous upgrading of China’s graphite industry but also marks a new global benchmark in high-temperature manufacturing.
