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Adhesion and Contact Mechanics of Material Surfaces

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: 20 February 2026 | Viewed by 539

Special Issue Editors

School of Mechanical Engineering, Sichuan University, Chengdu, China
Interests: contact mechanics; tribology; dynamics

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Guest Editor
College of Mechanical Engineering, Chongqing University, Chongqing, China
Interests: contact mechanics; lubrication in transmission systems

Special Issue Information

Dear Colleagues,

The interactions between material surfaces at contact interfaces play a pivotal role in determining the performance, durability, and functionality of engineering systems and advanced technologies. Adhesion and contact mechanics are fundamental to addressing challenges in fields ranging from tribology and surface engineering to biomedical devices and nanotechnology. Despite significant progress, gaps remain in our understanding of the interplay of surface chemistry, microstructure, mechanical behavior, and environmental factors under dynamic or extreme conditions.

We are pleased to invite contributions from researchers working across various disciplines, including materials science, engineering, physics, and chemistry, who are exploring innovative means of understanding and manipulating surface interactions. This Special Issue aims to consolidate cutting-edge research on the adhesion and contact mechanics of material surfaces, emphasizing experimental, theoretical, and computational advances. Topics of interest include, but are not limited to, the following:

  • Mechanisms of adhesion in metals, polymers, ceramics, and composites;
  • Friction/contact-induced vibration;
  • Surface roughness, lubrication, and wear at macro/micro/nanoscales;
  • Multiscale modeling of interfacial interactions;
  • Role of surface treatments (e.g., coatings, functionalization) in adhesion control;
  • Applications in soft robotics, micro/nano-electromechanical systems (MEMS/NEMS), biomaterials, and energy systems.

Dr. Wei Cao
Dr. Ke Xiao
Guest Editors

Manuscript Submission Information

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Keywords

  • adhesion mechanics
  • contact mechanics
  • material surfaces
  • interfacial phenomena
  • tribology
  • surface engineering
  • nanomechanics
  • biomaterial interfaces
  • multiscale modeling
  • surface coatings

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Published Papers (1 paper)

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Research

17 pages, 4052 KB  
Article
Deformation Behavior of Asymmetric Direct Laser Interference Patterning Structures on Hot-Dip Tinned Copper
by Silas Schütz, Sebastian Suarez, Yannik Bautz, Prateek Sharma, Stefan Diebels and Frank Mücklich
Materials 2025, 18(23), 5278; https://doi.org/10.3390/ma18235278 - 22 Nov 2025
Viewed by 298
Abstract
Understanding contact mechanics is essential for optimizing electrical and mechanical interfaces, particularly in systems where surface structuring influences performance. This study investigates the mechanical contact behavior of hot-dip tinned copper surfaces modified via Direct Laser Interference Patterning (DLIP). Asymmetric, line-like microstructures with varying [...] Read more.
Understanding contact mechanics is essential for optimizing electrical and mechanical interfaces, particularly in systems where surface structuring influences performance. This study investigates the mechanical contact behavior of hot-dip tinned copper surfaces modified via Direct Laser Interference Patterning (DLIP). Asymmetric, line-like microstructures with varying periodicities (2–10 µm) and tilt angles (0°, 15°, 30°) were fabricated on both as-received and aged hot-dip tinned copper substrates. The resulting surfaces were characterized using confocal laser scanning microscopy and subjected to indentation testing under controlled loads. Contact mechanical calculations and finite element simulations were employed to determine critical values for plastic deformation onset and to access the real contact area. Results show that structural periodicity, tilt angle, and material condition significantly affect load-bearing capacity and deformation behavior. Notably, intermediate periodicities (e.g., 7.5 µm) on as-received material at 0° tilt exhibited the highest susceptibility to plastic deformation, while aged samples demonstrated improved mechanical stability due to the harder Cu6Sn5 surface layer, which forms directly after coating and grows during aging until it reaches the surface and no residual tin is left. These findings provide valuable insights into the design of structured contact surfaces for electrical applications, highlighting the importance of tailored surface morphology and material selection. Full article
(This article belongs to the Special Issue Adhesion and Contact Mechanics of Material Surfaces)
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