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Boron carbide (B₄C) powder is a high-performance ceramic material known for its extreme hardness, wear resistance, and lightweight properties. It is widely used in abrasives, armor materials, nuclear shielding, and advanced industrial applications. Due to its superior mechanical and thermal properties, boron carbide plays a crucial role in precision machining, defense applications, and specialized engineering solutions.
Product Overview
Boron carbide (B₄C) is an ultra-hard boron-carbon ceramic material and is one of the hardest substances in the world, surpassed only by cubic boron nitride and diamond. With excellent hardness and wear resistance, it has a Vickers hardness greater than 30 GPa, a Mohs hardness of 9.36, a melting point of 2350°C, and a density of 2.51 g/cm³. Due to these superior physical properties, boron carbide has wide applications in ballistic materials, high-temperature wear-resistant components, and nuclear industries.
Product Features
- Extremely High Hardness:Vickers hardness exceeding 30 GPa, making it ideal for high-strength wear-resistant and protective applications.
- High Melting Point:Melting point of 2350°C, allowing it to maintain stability in extreme high-temperature environments.
- Low Density:Density of 2.51 g/cm³, making it an ideal choice for high-strength and lightweight applications.
- Chemical Corrosion Resistance:Offers strong chemical stability and can withstand corrosion from various acids and alkalis.
- Versatility:Combines multiple functions such as wear resistance, protection, and neutron absorption.
Applications
- Protective Materials:Widely used in the manufacture of tank armor, bulletproof vests, bulletproof bricks, and other protective materials.
- Nuclear Industry:Serves as an efficient neutron absorber in nuclear reactors and radiation protection equipment.
- High-Temperature Wear Resistance:Used to make high-temperature, high-strength wear parts such as metal cutting tools, gun nozzles, and more.
- Aerospace:Used as a metal additive in aircraft composite materials to enhance material performance.
- Industrial Materials:Applied in the manufacture of refractory materials and special welding materials, including magnesia-carbon bricks and high-performance abrasives.
- High-Tech Applications:Also plays a significant role in engine destruction powders and metal-ceramic fields.
| Grit Size | Size(μm) | Chemical Composition % | |||
| B% | C% | Fe2O3% | BC% | ||
| 60# | 315-215 | 78-81 | 17-22 | 0.2-0.4 | 97-99 |
| 80# | 200-160 | ||||
| 100# | 160-125 | ||||
| 120# | 125-100 | 78-80 | 17-22 | 0.2-0.4 | 96-98 |
| 150# | 100-80 | ||||
| 180# | 80-63 | ||||
| 240# | 60-50 | 77-80 | 17-22 | 0.3-0.5 | 96-97 |
| 280# | 50-40 | ||||
| 320# | 40-28 | ||||
| W40(360#) | 35-28 | 76-79 | 17-21 | 0.3-0.6 | 95-97 |
| W28(400#) | 28-20 | ||||
| W20(500#) | 20-14 | 75-79 | 17-21 | 0.4-0.8 | 94-96 |
| W14(600#) | 10~14 | ||||
| W10(800#) | 10~7 | 74-78 | 17-21 | 0.4-0.9 | 92-94 |
| W7(1000#) | 7~5 | ||||
| W5(1200#) | 5-3.5 | 74-78 | 17-21 | 0.5-0.9 | 90-93 |
| W3.5(1500#) | 3.5-2.5 | ||||
| -325# | <45 | 74-79 | 17-22 | <0.4 | 92-97 |
| 0-44μm | <45 | ||||
| -200# | <90 | 74-80 | 17-22 | <0.3 | 94-97 |
| -100# | <150 | ||||
| -25μm | <25 | 74-79 | 17-21 | <0.3 | 92-96 |
| -10μm | <10 | 74-78 | 17-21 | <0.3 | 91-95 |
| 60#-150# | 250-75 | 77-81 | 17-22 | <0.3 | 95-98 |
| 40#-120# | 315-106 | ||||
| 30#-60# | 355-250 | ||||
| Boron carbide | Low-mid-high | 92-80 | 17-23 | <0.3 | 90-99 |
| block | carbon | ||||
