Overview of B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material
Boron Carbide (B4C) is a ceramic compound renowned for its exceptional hardness and wear resistance, ranking just below diamond and cubic boron nitride in terms of hardness. Composed of boron and carbon atoms arranged in a covalently bonded crystal structure, it exhibits unique physical and chemical properties that make it highly valuable in various industrial and military applications. Boron carbide’s high melting point, low density, neutron-absorbing capability, and extreme toughness further distinguish it among advanced materials.
Features of B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material
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Extreme Hardness: With a Mohs hardness of around 9.3 to 9.5, boron carbide is one of the hardest materials known, surpassed only by diamond and cubic boron nitride.
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Lightweight: Despite its hardness, boron carbide has a relatively low density of about 2.52 g/cm³, which makes it an attractive material for lightweight armor systems.
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Thermal Stability: It possesses excellent thermal stability, maintaining its properties up to temperatures around 2,000°C, making it suitable for high-temperature applications.
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Neutron Absorption: Boron carbide is a potent neutron absorber due to its boron content, making it ideal for nuclear shielding and control rods.
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Chemical Resistance: Resistant to most acids and alkalis, except for hydrofluoric acid and hot concentrated alkaline solutions, ensuring durability in corrosive environments.
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Abrasion Resistance: Its exceptional wear resistance makes it suitable for applications where friction and abrasion are prevalent, such as sandblasting nozzles.
(B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material)
Parameters of B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material
The B4C (boron carbide) powder you’re referring to is a wear-resistant material that can be used in various applications where it’s important to prevent corrosion and prolong the life of components. Here are some key parameters of boron carbide powder:
1. Chemical composition: B4C consists of about 5% silicon, 7% oxygen, and about 86% carbon. It has high thermal stability and is resistant to a wide range of temperatures.
2. Surface chemistry: The surface of boron carbide powder is highly negatively charged, making it resistant to corrosion by water, oil, and other liquids. It also contains small amounts of oxides that help protect the surface from etching and scratching.
3. Hardness: Boron carbide powder is highly hard, with a hardness of about 80-82 HRC on a relative scale.
4. Fatigue resistance: Boron carbide powder has good fatigue resistance, which means it can withstand repeated impacts without failing or wearing out.
5. Bond strength: Boron carbide powder forms strong bonds with metals when used in environments. This makes it a good choice for use in applications where it’s important to maintain the integrity of the component.
6. Wear resistance: Boron carbide powder is highly wear-resistant, with a coefficient of friction of around -1.8, which makes it an ideal material for use in applications where it’s necessary to keep moving parts lubricated.
Overall, boron carbide powder is a versatile and durable material that can be used in a variety of applications where wear-resistance is important. Its chemical composition, surface chemistry, hardness, fatigue resistance, bond strength, and wear resistance make it a popular choice among engineers and technicians who need materials that can withstand challenging conditions.
(B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material)
Applications of B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material
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Armor Systems: Widely used in body armor, vehicle armor, and bulletproof vests due to its lightweight and superior protection capabilities.
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Nuclear Applications: As control rods and shielding material in nuclear reactors because of its neutron absorbing properties.
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Abrasive and Cutting Tools: In grinding wheels, polishing powders, and cutting tools due to its hardness and wear resistance.
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Industrial Nozzles: For sandblasting and water jet cutting applications where resistance to wear and erosion is critical.
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Military and Defense: As a component in armor-piercing projectiles and defensive systems.
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FAQs of B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material
Q: Is B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material toxic?
A: Pure boron carbide is generally considered safe to handle. However, during machining or grinding, dust inhalation can be a concern, requiring proper ventilation and protective equipment.
Q: Can B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material be machined?
A: Due to its extreme hardness, machining boron carbide is difficult and requires specialized techniques and diamond tooling. Grinding, EDM (Electrical Discharge Machining), or laser cutting are common methods.
Q: How does B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material compare to tungsten carbide in terms of hardness?
A: B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material is harder than tungsten carbide, with a Mohs hardness of around 9.3 to 9.5 compared to tungsten carbide’s 8.5 to 9.
Q: What is the primary use of B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material in the military sector?
A: B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material is primarily used in the military for body armor, armored vehicles, and as a component in armor-piercing ammunition due to its combination of hardness, light weight, and ballistic performance.
Q: Can B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material be used in high-temperature applications?
A: Yes, B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material maintains its structural integrity and properties up to very high temperatures, making it suitable for use in extreme heat environments such as furnace linings and high-temperature ceramics.
(B4C CAS 12069-32-8 Boron Carbide Powder for Wear-resistance Material)
