Novel 3D printed hBN -Si3N4 PEEK composites for bio tribological applications.

Q: What does this research mean for the field?

In 3D-printed PEEK composites, hBN reinforcement significantly reduces friction and wear under PBS lubrication while retaining mechanical strength, whereas Si3N4 reinforcement increases friction and causes abrasive damage to counter surfaces. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

Dilesh Raj Shrestha; XiaoLong WANG; Nazanin Emami

doi:10.1016/j.polymertesting.2026.109235

May 1, 2026Polymer TestingOpen Access

Novel 3D printed hBN -Si3N4 PEEK composites for bio tribological applications.

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Key Points

This study aims to evaluate the performance of 3D printed hBN and Si3N4 reinforced PEEK composites in bio tribological applications.
3D-printable PEEK composites reinforced with hBN and Si3N4 were fabricated.
Friction and wear tests were conducted under PBS lubrication conditions.
Crystallinity and thermal stability were assessed post-fabrication.
hBN-reinforced PEEK displayed reduced friction and lower specific wear rates under PBS lubrication.
Si3N4-reinforced PEEK showed increased friction and abrasive damage to cobalt–chromium surfaces.
Filler incorporation improved impact resistance and retained tensile strength.

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Implication

Examines bio tribological properties of novel 3D printed PEEK composites, suggesting potential improvements.

Abstract

• 3D-printable PEEK composites reinforced with hBN and Si 3 N 4 were successfully fabricated. • hBN-reinforced PEEK significantly reduced friction and specific wear rate under PBS lubrication. • Si 3 N 4 -reinforced PEEK increased friction and caused abrasive damage to cobalt–chromium counter surfaces. • Tensile strength was retained, while impact resistance was improved. • Filler incorporation enhanced crystallinity and maintained thermal stability in additively manufactured PEEK composites.

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Cite This Study

Shrestha et al. (2026) studied this question.

synapsesocial.com/papers/6a1a7ecb0307b7850943150b https://doi.org/10.1016/j.polymertesting.2026.109235

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Novel 3D printed hBN -Si3N4 PEEK composites for bio tribological applications.

Key Points

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Cite This Study

Novel 3D printed hBN -Si3N4 PEEK composites for bio tribological applications.

Key Points

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Implication

Abstract

Discussion

Cite This Study

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