Tribology in Artificial Joints

A special issue of Lubricants (ISSN 2075-4442).

Deadline for manuscript submissions: 31 March 2025 | Viewed by 953

Special Issue Editors


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Guest Editor
Department of Mechanical Automation Engineering, Shanghai University, Shanghai 200444, China
Interests: human biotribology; biomechanics in orthothpedic; testing technology

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Guest Editor
Department of Engineering, Nottingham Trent University, Nottingham NG1 4FQ, UK
Interests: tribology; biotribology; EHL; lubrication; wear; hip and knee joint replacements; numerical simulation
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Guest Editor
Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
Interests: biotribology; bioinspired lubricating materials

Special Issue Information

Dear Colleagues,

Biotribological properties associated with wear, friction, and lubrication are important to the implementation of many medical devices, such as orthopedic implants, artificial joints, etc. Understanding the biotribological properties well contributes to the innovation of medical devices and the improvement in human life quality.

This Special Issue aims to present the current applications and future directions in biotribological challenges in artificial joints, with particular attention on the biotribological design and modeling in joint implant and in vitro biotribological testing methodology development of mathematical and numerical modeling necessary for in silico tribological investigations. Contributions are welcome from both academic researchers and their industrial peers, dealing with the latest developments on this topic.

We are pleased to invite you to submit a paper to be published in this Special Issue. Original research articles and reviews are welcome on research areas that may include (but are not limited to) the following: biotribology in the hip, knee, shoulder, ankle, elbow, spine implants, etc.

Dr. Zikai Hua
Dr. Leiming Gao
Dr. Hongyu Zhang
Guest Editors

Manuscript Submission Information

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Keywords

  • biotribology
  • artificial
  • wear
  • friction
  • implant

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Published Papers (1 paper)

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Research

13 pages, 5846 KiB  
Article
The Low Friction Coefficient and High Wear Resistance UHMWPE: The Effect of Pores on Properties of Artificial Joint Materials
by Chunmin Yang, Junhua Zhang, Honglin Yue and Xueqin Kang
Lubricants 2025, 13(1), 31; https://doi.org/10.3390/lubricants13010031 - 13 Jan 2025
Viewed by 500
Abstract
Ultrahigh-molecular-weight-polyethylene (UHMWPE) is extensively applied to make bone and cartilage implants in the field of biomaterial application. UHMWPE matched with a metal or ceramic component withstands the long-term effect of cyclic stress, which induces UHMWPE serious wear, and affects the service life of [...] Read more.
Ultrahigh-molecular-weight-polyethylene (UHMWPE) is extensively applied to make bone and cartilage implants in the field of biomaterial application. UHMWPE matched with a metal or ceramic component withstands the long-term effect of cyclic stress, which induces UHMWPE serious wear, and affects the service life of the artificial joint. This investigation focuses on the influence of pores on the mechanical and tribological property of UHMWPE. The porosity, crystallinity, yield strength, tensile strength, hardness, compression yield strength, creep resistance, wettability, friction performance, and wear mechanism of solid and porous UHMWPE were evaluated and compared. The research results indicated that the pore had a remarkable influence on the mechanical, friction, and wear property of UHMWPE. The porosity of porous UHMWPE was 29.7% when 50 wt. % sodium chloride (NaCl) was added and the pore size was about 200 μm. The crystallinity, hardness, creep resistance, strength, and elongation decreased after NaCl was added and dissolved. However, the yield strength in the tensile and compression test was closer to that of the natural cartilage. The friction coefficient and wear loss of porous UHMWPE were higher than that of solid UHMWPE in dry conditions, but these values of porous UHMWPE were lower than that of solid UHMWPE in the calf serum lubrication condition. The main wear mechanism of porous and solid UHMWPE was abrasive. The lubricity of calf serum reduced wear surface scratches and furrows, especially for porous UHMWPE. Full article
(This article belongs to the Special Issue Tribology in Artificial Joints)
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