Hot-Pressed Grade Boron Carbide Description:
Hot Pressed Grade Boron Carbide Powders are specially sized to aid in the hot pressing of boron carbide ceramic parts. They are typically fine powders with an average particle size of less than 10 microns and a specially tailored size distribution.
Features:
-High Hardness
-Abrasion / Wear-Resistance
-Fracture Toughness
-Chemical Inertness
-High Neutron Absorbing Cross Section
Hot-Pressed Grade Boron Carbide Specifications:
Typical Analysis
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B4C
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96.17% min.
|
B2O3
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0.50%
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Total Boron
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76.55% min.
|
Total Carbon
|
19.5% min
|
Free Boron
|
0.24%
|
Free Carbon
|
1.27%
|
Si
|
0.15% max
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Al
|
0.05%
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Fe
|
0.20% max
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pH
|
7
|
Specific Gravity
|
2.5
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Crystal Structure
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Rhombohedral
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Melting Point
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2450 ° C
|
Hardness
|
9.25 mohs scale
|
Packaging
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Steel or fiber drums, plastic pails
|
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Each lot is certified by a quality lab reports.
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Hot-Pressed Grade Boron Carbide Applications:
Hot-Pressed Grade Boron Carbide (B4C) is widely used across various fields due to its exceptional hardness, lightweight, high melting point, and good chemical stability. It is used in personal armor for military and law enforcement personnel, as well as in armored vehicles and aircraft, providing excellent protection against bullets and shrapnel while maintaining lightweight for enhanced mobility and fuel efficiency. In grinding wheels and polishing compounds, B4C is employed for grinding and polishing hard materials, achieving fine surfaces and tight tolerances in lapping processes. It is also used in sandblasting and slurry nozzles, mechanical seals, and bearings, offering high wear resistance, extended service life, and reduced maintenance requirements. B4C is utilized in wire drawing dies and precision cutting tools for machining hard materials like tungsten carbide and ceramics, providing high hardness and durability.
As a neutron absorber, B4C plays a critical role in nuclear reactors for managing and protecting against neutron radiation, used in control rods and radiation shielding materials. It provides reliability and durability in pump components handling abrasive slurries and corrosive fluids, and in chemical reactors and piping linings, protecting against wear and chemical attack. In high-temperature furnaces and kilns, B4C serves as linings and components capable of withstanding extreme temperatures and corrosive environments and is used in crucibles and molds for high-temperature metal and ceramic processing. In the electronics and semiconductor industry, B4C is used in Chemical Mechanical Planarization (CMP) pads for polishing semiconductor wafers, offering hardness and precision, and serving as substrates and heat sinks with good thermal conductivity and stability.
Additionally, B4C is employed in gas turbine engine turbine blades and other high-stress aerospace components due to its high-temperature stability and wear resistance and is used in explosive ordnance disposal equipment for its robustness and reliability. Hot-pressed grade boron carbide’s outstanding properties make it a versatile material for a wide range of applications requiring hardness, wear resistance, and thermal stability.
Hot-Pressed Grade Boron Carbide Packaging:
Our Hot-Pressed Grade Boron Carbide is carefully handled during storage and transportation to preserve the quality of our product in its original condition.