Introduction to Truck Brake Shoes Sintered Ceramic Mixture
Truck brake shoes sintered ceramic mixtures are high-performance brake shoes friction materials designed for extreme durability and thermal stability in heavy-duty braking systems. This brake shoes formula integrates sintered ceramic matrices with metallic reinforcements and specialized additives, offering a superior balance of friction efficiency, wear resistance, and noise reduction. Below is a detailed overview of its technical specifications, advantages, and storage protocols.
Technical Parameters
The table below outlines key properties of sintered ceramic-based brake shoes mixes:
| Parameter | Specification | Remarks |
|---|---|---|
| Ceramic Content | 40-60% (Silicon Carbide, Alumina) | Enhances thermal resistance and hardness |
| Metallic Reinforcement | 20-30% (Copper, Steel fibers) | Improves structural integrity and heat dissipation |
| Density | 2.8-3.5 g/cm³ | Optimizes weight-to-strength ratio |
| Friction Coefficient (μ) | 0.38-0.48 (Dry) | Stable at high speeds and temperatures |
| Operating Temperature | -50°C to 900°C | Resists thermal cracking and fade |
| Wear Rate | ≤0.3 cm³/MJ | Extended service life under heavy loads |
| Compressive Strength | ≥350 MPa | Withstands extreme hydraulic pressure |
| Shore Hardness | 70-85 Shore D | Minimizes drum wear and vibration |
Key Advantages
- Exceptional Thermal Management
The sintered ceramic matrix efficiently dissipates heat, preventing brake fade even during prolonged downhill braking . - Ultra-Low Wear Rate
Reinforced with steel fibers and ceramic particles, this brake shoes mixture reduces material loss by 30% compared to traditional metallic blends. - Noise and Vibration Damping
Ceramic additives and optimized porosity minimize high-frequency squeal, enhancing driver comfort . - Corrosion Resistance
Sintered ceramic components resist moisture and chemical degradation, ideal for off-road or marine environments. - Environmental Compatibility
Free from asbestos and heavy metals, aligning with global eco-regulations .
Storage and Packaging
- Moisture Protection: Store in vacuum-sealed, desiccant-lined packaging to prevent ceramic oxidation .
- Temperature Limits: Avoid exposure to temperatures above 50°C or below -20°C to maintain material integrity.
- Stacking Guidelines: Maximum 4 layers to prevent deformation of the sintered structure.
- Shelf Life: 18 months in unopened packaging; post-opening, use within 6 months.
Application of Brake Shoes Formula
The brake shoes mixes are sintered under high pressure (25-40 MPa) and temperatures exceeding 1,000°C, ensuring a homogenous bond between ceramic and metallic phases. Post-production, they undergo rigorous testing for shear strength (≥4.2 MPa) and thermal shock resistance . Customizable formulations are available to meet OEM specifications for specific drum sizes or operational conditions.
By combining advanced sintering technology with precision engineering, this brake shoes friction material delivers unmatched reliability for commercial vehicles in mining, logistics, and other high-stress industries.