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Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Specifications
Brand Name :
Zhongli
Model Number :
SNB-01
Certification :
CE ISO
Place of Origin :
China
MOQ :
1kg
Payment Terms :
L/C,T/T,Western Union
Supply Ability :
50-200 ton/month
Delivery Time :
within 15days
Packaging Details :
barrel
Final Fineness :
1μm
Power :
0.75kW
Chamber Material :
Stainless Steel
Voltage :
220V
Grinding Jar Material :
Tungsten Carbide
Max. Feed Size :
10mm
Frequency :
50/60Hz
Power Source :
Electric
Grinding Speed :
Max. 650 rpm
Grinding Jar Volume :
50mL
Chamber Volume :
80mL
Dimensions :
500mm x 300mm x 340mm
Description

Product Description

Medical Implant Si3N4 Balls: Biocompatible & Wear-Resistant Innovations

In the realm of medical implants, the quest for materials that offer durability, biocompatibility, and wear resistance is ongoing. Silicon nitride (Si3N4) balls have emerged as a promising solution, particularly in applications such as joint replacements and dental implants.

Understanding Silicon Nitride (Si3N4)

Silicon nitride is a ceramic material known for its exceptional mechanical properties, including high fracture toughness, low density, and excellent thermal stability. These attributes make it ideal for demanding applications across various industries, including aerospace, military, and notably, the medical sector.

Key Properties of Si3N4:

  • High Wear Resistance: Si3N4 exhibits a low wear rate, making it suitable for applications where durability is critical.
  • Biocompatibility: Studies show that Si3N4 is well-tolerated by the human body, with minimal immune response and excellent integration with biological tissues.
  • Thermal Stability: It retains strength and hardness at high temperatures, reducing the risk of degradation in demanding environments.

Si3N4 in Medical Implants

The use of Si3N4 balls in medical implants, particularly in joint replacements, has gained attention due to their superior wear resistance and biocompatibility. Traditional materials like ultra-high molecular weight polyethylene (UHMWPE) and cobalt-chromium alloys have limitations, including the release of wear particles that can lead to osteolysis and implant loosening. Si3N4 offers a viable alternative.

Advantages in Joint Replacements:

  1. Reduced Wear Particles: Si3N4 generates fewer wear particles compared to traditional materials, minimizing the risk of osteolysis.
  2. Biodegradability: The wear particles of Si3N4 can dissolve in bodily fluids, potentially reducing the need for revision surgeries.
  3. Improved Longevity: The material's durability can extend the lifespan of implants, offering a longer-term solution for patients.

Research Insights

A study published in the Journal of the Mechanical Behavior of Biomedical Materials highlights the potential of Si3N4 in dental implants. Using digital light processing (DLP) technology, researchers successfully fabricated Si3N4 dental implants that demonstrated excellent mechanical properties and biocompatibility. The study underscores the versatility of Si3N4 in various medical applications beyond joint replacements.

Key Findings:

  • Mechanical Strength: The Si3N4 implants exhibited a flexural strength of 770 MPa and a fracture toughness of 13.3 MPa·m1/2.
  • Biocompatibility Tests: In vitro experiments confirmed the material's compatibility with human tissues, showing no signs of toxicity or adverse reactions.

Applications Beyond Medicine

While Si3N4's primary focus is on medical applications, its properties make it suitable for other industries as well. In the aerospace and defense sectors, Si3N4 balls are used in high-temperature and high-impact environments due to their lightweight and high strength. They are also employed in hybrid and full ceramic bearings for electric motors, offering reduced friction and extended service life.

Benefits in Other Industries:

  • Aerospace: Used in aircraft components for their heat resistance and durability.
  • Automotive: Ideal for engine parts and electric motor bearings, contributing to improved efficiency and longevity.
  • Industrial Tools: Utilized in metalworking tools for their wear resistance and toughness.
Property Silicon Nitride (Si3N4) Steel (440C) Zirconia (ZrO2) Alumina (Al2O3)
Density (g/cm³) 3.2 7.8 6.0 3.9
Hardness (HV) 1,400–1,600 700–900 1,200–1,300 1,500–1,800
Fracture Toughness (MPa·m½) 6–7 15–20 7–10 3–4
Compressive Strength (GPa) 2.5–3.5 2.0–2.5 2.0–2.3 2.0–3.0

Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear ResistantMedical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant

●Description:

Silicon Nitride Ceramic Ball is the most ideal bearing ball for bearing applications, due to the excellent properties of silicon nitride ceramics, it has many irreplaceable advantages comparing to traditional steel materials, such as: high mechanical strength, low wear loss, good self-lubrication, low density, high corrosion resistance, good electrical insulation etc.

Therefore, Silicon Nitride Balls are mostly used for some harsh working conditions: high speed/super speed bearings, high precision bearings, bearings in vacuum, high/low temperature bearings.

Moreover, Silicon Nitride Ceramic Balls can also used as valve ball or measurement balls in chemical pumps/high temperature pumps/metdering pumps.

●Physical Properties:

Chemical Composition:

Si3N4≥95%

Bulk Density:

3.2±0.05g/cm3

Elastic Modulus:

350GPa

Hardness Vickers:

1870HV

Bending Strength:

780MPa

Fracture Toughness:

7.2MPa·m1/2

Thermal Expansion Coefficient:

3.2 10-6/K

Thermal Conductivity:

25W/(m·K)

● Ball Sizes/Grade :

Size (mm)

Φ0.8-180

Grade

Vdws

SPH

Vdwl

Ra

G3

0.05-0.08

≤0.08

<0.13

0.01

G5

0.08-0.13

≤0.13

<0.25

0.014

G10

0.15-0.25

≤0.25

<0.5

0.02

G16

0.2-0.4

≤0.4

<0.8

<0.025

G20

0.3-0.5

≤0.5

<1

<0.032

G100

0.4-0.7

0.4-0.7

<1.4

<0.0105

Factory equipment

Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant

Exhibition & Partner

Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant

Case

Ship to South Korea

Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear ResistantMedical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant

Ship to Spain

Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear ResistantMedical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant

FAQ

1. What sizes and tolerances are available?

  • Diameter range: 0.5mm to 50mm (custom sizes possible).

  • Sphericity: As low as 0.1µm (Grade 5 for ultra-precision bearings).

  • Surface finish: Ra < 0.02µm (mirror polish for low friction).

2. Are silicon nitride balls FDA-approved for medical use?

Yes! Si3N4 is biocompatible (ISO 6474-1) and used in spinal implants, dental devices, and joint replacements due to its antibacterial properties.

3. How do I choose the right Si3N4 balls for my application?

Consider:

  • Load & speed requirements (dynamic/static stress).

  • Temperature range (Si3N4 excels in high heat).

  • Chemical exposure (resistant to most acids/alkalis).

  • Electrical insulation needs (non-conductive).

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Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant

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Product Detail
Brand Name :
Zhongli
Model Number :
SNB-01
Certification :
CE ISO
Place of Origin :
China
MOQ :
1kg
Payment Terms :
L/C,T/T,Western Union
Contact Supplier
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant
Medical Implant Si3N4 Silicon Nitride Balls Beads Biocompatible Wear Resistant

Guangzhou Zhongli Technology Co., Ltd

Verified Supplier
1 Years
guangzhou
Since 2017
Business Type :
Manufacturer, Exporter, Trading Company
Main Products :
Planetary Ball Mill Machine, Stirred Ball Mill, Roller Ball Mill
Employee Number :
80~110
Certification Level :
Verified Supplier
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