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SILICON NITRIDE (Si3N4)

Silicon nitride is an advanced ceramic with a unique set of properties that make it ideal for use in both biomedical and industrial applications. Silicon nitride can be adapted to many different forms and characterizations depending on the application it’s being manufactured for and is often chosen for its ability to outperform other ceramics.

SINTX Technologies is a global leader in the manufacture of silicon nitride components for both the industrial and biomedical sectors.

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SILICON NITRIDE: AN OVERVIEW

Silicon nitride (Si3N4) was first prepared in 1857 and was little more than a chemical curiosity. However, as its benefits became known, the compound began to be used across multiple industries in the late 1940s. Today, it’s a key component in electronics, turbomachinery, bearings, and even orbital satellites. In this article, we review the history of silicon nitride, key properties, and the top applications for this material.

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SINTX | SILICON NITRIDE SOLUTIONS

SINTX Technologies has developed two distinct grades of silicon nitride, each precision-engineered and meticulously characterized to meet the exacting demands of either the industrial sector or the biomedical sector. SINTX isn’t just a manufacturer, but an innovator at the forefront of research and development to unlock this material’s full potential, delivering cutting-edge solutions to meet the most demanding engineering challenges.

Industrial Solutions

STX-100 is SINTX’s Industrial Grade Silicon Nitride, offering the best combination of mechanical, thermal, and electrical properties of any technical ceramic material.

STX-100

Biomedical Solutions

FLEX-SN is SINTX’s biomedical grade of silicon nitride, used extensively in medical implant procedures and rigorously tested to confirm a range of antiviral and antibacterial properties.

FLEX-SN

INDUSTRIAL SILICON NITRIDE: STX-100

STX-100 is SINTX’s flagship industrial ceramic used to manufacture components for the most demanding service applications where high-load bearing capacity, thermal stability, and wear resistance are required.

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Applications of Industrial Silicon Nitride (STX-100)

 

  • WELDING

    WELDING

    STX-100’s strength, toughness, and resistance to thermal shock make it an ideal for the manufacture of components utilized in severe service applications such as welding roller components used in resistance seam welding.

  • AUTOMOTIVE

    AUTOMOTIVE

    Silicon nitride is used throughout the automotive industry in engine parts and accessory units. Because of its durability and thermal resistance, it can extend contact fatigue life.

  • RF COMPONENTS

    RF COMPONENTS

    STX-100 is an excellent material choice for components that need a radio frequency (RF) transparent material that is durable at varying temperatures and speeds.

  • ENERGY

    ENERGY

    STX-100 can withstand the high temperatures and corrosive environments found in solar cells, fuel cells, and other energy applications.

  • AEROSPACE

    AEROSPACE

    Silicon nitride’s strength, lightness, and ability to withstand and perform at high temperatures have made it the material of choice for various aerospace applications.

  • BRAKES

    BRAKES

    Owing to its superior thermal shock resistance, thermal conductivity, strength, and chemical inertness, STX-100 powder is the ideal additive material for braking systems in high-performance automobile and aerospace vehicles, resulting in a quieter braking under a wide range of temperatures and road conditions.

BIOMEDICAL SILICON NITRIDE: FLEX SN

SINTX’S FLEX-SN product line is uniquely suited for biomedical applications given the material’s antibacterial, biocompatible, and antipathogenic properties. With a proven track record of safety, efficacy, and adaptability, Flex-SN offers endless potential for innovation in the biomedical realm.

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Applications of Biomedical Silicon Nitride (FLEX-SN)

 

  • SPINAL IMPLANTS

    SPINAL IMPLANTS

    FLEX-SN is a valuable material for spinal implants with demonstrated antibacterial and osseointegration properties to support bone formation.

  • DENTAL IMPLANTS

    DENTAL IMPLANTS

    FLEX-SN has been thoroughly tested to ISO 10993-01 standards as a dental implant material and is considered highly biocompatible.

  • WOUND CARE

    WOUND CARE

    FLEX-SN is inherently antibacterial, making it an excellent choice for wound dressings. Its distinctive properties inhibit bacterial proliferation in and on the dressing, thus reducing surgical site infections and accelerating the healing process.

  • ARTHROPLASTY

    ARTHROPLASTY

    Unlike other biomaterials, FLEX-SN has been shown to remove oxygen in the tribo-layer of hip and knee replacements, potentially avoiding long-term degradation and thereby extending the lifetime of these synthetic joints.

  • MEDIAL PPE

    MEDIAL PPE

    FLEX SN-AP (Silicon Nitride Antipathogenic Powder) is widely utilized in the manufacture of medical PPE such as masks, surgical gowns, and filters due its antiviral properties, thereby limiting the spread of disease.

  • CRANIOMAXILLOFACIAL

    CRANIOMAXILLOFACIAL

    Owing to its biocompatibility and antipathogenic properties, Flex-SN has the potential to accelerate bone healing and decrease infection rates when used in implants for CMF applications which may lead to improved implant success rates.

SILICON NITRIDE MANUFACTURING

With more than 20 years of experience as a silicon nitride manufacturer, SINTX Technologies is uniquely positioned to drive innovation, research, and strategic collaborations in the development and application of silicon nitride for both the industrial and biomedical sectors. Our vertically integrated, 30,000 sq. ft. manufacturing facility allows for rapid prototyping, scientific testing, and product development and is the only FDA-registered silicon nitride medical device manufacturing facility in the world.

AS9100D CERTIFIED

ISO 13485:2016 CERTIFIED

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