Low-content carbon fiber helical composite

Halves friction and wear

A direct ink writing 3D printed helical composite with low carbon fiber content that simultaneously reduces friction and wear at a 10° interlaminar angle, while maintaining ultralow density and structural integrity.

Liu, Shengkai · Yan, Geng · Min, Chunying · Pei, Xiaoyuan · Liu, Siqi · Siddique, Amna · Xu, Zhiwei

Tribology International 2025

Specifications

Wear rate reduction

{'zh': '>50', 'en': '>50'} %

Friction coefficient reduction

{'zh': '>50', 'en': '>50'} %

Density

{'zh': '0.467', 'en': '0.467'} g/cm³

Advantages

Halves friction and wear

The 10° helical angle design reduces both friction coefficient and wear rate by over 50%, directly addressing the source of wear.

Ultralow density 0.467

Achieves an ultralow density of 0.467 g/cm³ while maintaining structural integrity, enabling weight reduction without sacrificing mechanical performance.

Stronger interfacial bonding

Direct ink writing improves fiber orientation and interfacial bonding, enabling high hardness and modulus.

Lightweight wear-resistant parts

Offers customizable lightweight and durable components for aerospace, automotive, and other high-performance engineering fields.

Applications

• Lightweight structural parts：Replace metal parts for weight reduction while withstanding friction.
• Aerospace composites：Use in aircraft interior wear-resistant lightweight parts to reduce fuel consumption.
• Wear-resistant components：Directly used as wear-resistant parts to extend service life.
• Carbon fiber composites：Utilize carbon fiber's wear-resistant potential through helical structure.