Silicon Nitride Ceramic Substrate, 100 mm x 100 mm x 3 mmProduct Type: Technical ceramic substrate
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR?
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What is the fracture toughness of this silicon nitride substrate and how does it resist crack propagation under mechanical stress?
The silicon nitride substrate has a fracture toughness of 6.5 MPa√m, which provides high resistance to crack propagation under mechanical stress. Combined with flexural strength above 600 MPa and Vickers hardness above 15 GPa, this substrate is designed for demanding applications requiring shape retention and durability.
Can this silicon nitride substrate be customized with metallization or coating for direct bonding in power electronics assemblies?
Yes, the manufacturer supports optional customization including polishing, coating, metallization, and custom-shape fabrication. These options must be confirmed with the technical sales team before ordering to ensure compatibility with the specific application, such as power module substrates or LED packaging.
What is the maximum operating temperature and thermal conductivity of this substrate, and what are the implications for high-temperature applications?
The usable temperature range is -55°C to 850°C, with thermal conductivity exceeding 60 W/(m·K). This allows reliable operation in high-temperature environments while efficiently dissipating heat. The substrate also maintains electrical insulation with a breakdown voltage above 15 kV/mm, making it suitable for high-voltage, high-temperature assemblies.
This 100 mm × 100 mm × 3 mm silicon nitride ceramic substrate delivers flexural strength >600 MPa, fracture toughness 6.5 MPa·√m, and thermal conductivity >60 W/(m·K), making it suitable for high-stress, high-temperature insulation applications up to 850 °C, though its brittle nature and tight dimensional verification requirements impose handling and procurement constraints.
Positive
- High strength and fracture toughness: Flexural strength >600 MPa and fracture toughness 6.5 MPa·√m provide mechanical stress resistance and stable shape retention, enabling use in structural or insulating supports under load.
- Wide operating temperature range: Usable from -55 °C to 850 °C with thermal conductivity >60 W/(m·K) and breakdown voltage >15 kV/mm, allowing deployment in high-temperature electrical insulation or thermal management systems.
Trade-offs
- Brittle ceramic handling risk: Silicon nitride ceramics are inherently brittle; despite high fracture toughness, the substrate can chip or crack under localized impact or improper clamping, requiring careful handling during installation or machining.
- Dimensional verification required: The supplier mandates confirmation of size tolerance, thickness, surface finish, and material grade before ordering, adding a verification step to procurement and potentially limiting direct replacement without exact specification matching.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
