Dayoo Advanced Ceramic Co.,Ltd
| Delivery Time | Negotiable |
| Payment Terms | Negotiable |
| Chemical Resistance | Excellent |
| Bending Strength | ＞750 MPa |
| Surface Finish | Smooth |
| Type | Ceramic Balls |
| High Purity | 99.9% |
| Melting Point | 1900°C |
| Processing Service | Cutting, Punching, Moulding |
| Thermal Shock Resistance | Excellent |
| Lead Time | 30days |
| Insulation Resistance | 1012-1014 Ω.cm |
| Breakdown Voltage | 20-25 KV/mm |
| Wire Length | 300mm |
| Color | Gray |
| Package | Customized |
| Heating Wire | NiCr80/20 |
| Place of Origin | Made In China |
| Brand Name | Dayoo |
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Product Specification
| Delivery Time | Negotiable | Payment Terms | Negotiable |
| Chemical Resistance | Excellent | Bending Strength | ＞750 MPa |
| Surface Finish | Smooth | Type | Ceramic Balls |
| High Purity | 99.9% | Melting Point | 1900°C |
| Processing Service | Cutting, Punching, Moulding | Thermal Shock Resistance | Excellent |
| Lead Time | 30days | Insulation Resistance | 1012-1014 Ω.cm |
| Breakdown Voltage | 20-25 KV/mm | Wire Length | 300mm |
| Color | Gray | Package | Customized |
| Heating Wire | NiCr80/20 | Place of Origin | Made In China |
| Brand Name | Dayoo | ||
| High Light | Enhanced Performance Silicon Nitride Ceramics ，Industrial Grade Silicon Nitride Ceramics | ||
Superior Wear Resistance and Fuel Efficiency with Automotive-Grade Silicon Nitride Ceramics
Specially developed for the automotive industry, this product line is manufactured using 99.6% high-purity silicon nitride (Si₃N₄) through precision gas pressure sintering. Featuring lightweight, high-temperature resistance, and superior wear resistance to significantly enhance performance and lifespan of critical automotive components.
Powertrain: Turbocharger rotors
Transmission: Bearing balls and cages
Braking system: High-performance brake pads
NEV: Motor insulation components
Exhaust system: Hot-end seals
✓ Lightweight: Density 3.2g/cm³, 40-60% weight reduction
✓ Extreme wear resistance: 1/10 wear rate of steel
✓ High-temperature resistance: Withstands 1200°C instant temperature
✓ Fuel efficiency: Reduces friction loss by 15-20%
✓ Extended lifespan: 3-5x longer service life
| Parameter | Specification | Test Standard |
|---|---|---|
| Material Purity | Si₃N₄≥99.6% | ISO 18756 |
| Density | 3.20±0.05g/cm³ | ISO 18754 |
| Flexural Strength | ≥650MPa | ISO 14704 |
| Fracture Toughness | ≥6.5MPa·m¹/² | ASTM C1421 |
| CTE | 3.3×10⁻⁶/°C | DIN 51045 |
| Max Rotation Speed | 150,000rpm | - |
| Service Life | ≥300,000km | - |
Material selection: Automotive-grade powder (metal impurities ≤100ppm)
Precision forming: 200MPa isostatic pressing + CNC machining
Atmosphere sintering: 1850°C nitrogen-protected sintering
Surface treatment: Nano-level polishing (Ra≤0.1μm)
Full inspection:
Dynamic balance testing (G2.5 grade)
Fatigue test (10 million cycles)
Bench test (simulating real conditions)
⚠️ Installation: Use specialized tools
⚠️ Temperature limit: Instantaneous ≤1200°C/Continuous ≤800°C
⚠️ Lubrication: Must use specified lubricants
⚠️ Maintenance: Inspect every 50,000km
Warranty: 5 years or 300,000km
Technical support: Free failure analysis
OEM solutions: Custom development for automakers
Testing service: Provides bench test reports
Q: Advantages vs traditional metal parts?
A: Key benefits include:
① >40% weight reduction
② 10x better wear resistance
③ 3-5% improved fuel efficiency
Q: Cold climate performance?
A: Passes -40°C low-temperature tests without performance degradation.
Q: Crash safety?
A: Complies with ECE R94 standards, breaks without sharp edges.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Total Annual:
>1000000
Employee Number:
>100
Ecer Certification：
Verified Supplier
We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e... We are a company with many years of experience in the production of special precision ceramics and the ability to design, manufacture, process and sell structural and functional parts of various special precision ceramics. Deyu Precision Ceramics Technology Co., Ltd. has many years of e...
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