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9 Results Found

  • Article
  • Open Access
2 Citations
1,044 Views
16 Pages

Influence of Embedding Microcapsules on Tribological Properties of Alumina Ceramics Prepared by Gel Casting

  • Ze Sun,
  • Hui Chen,
  • Xianglong Meng,
  • Guangchun Xiao,
  • Zhaoqiang Chen,
  • Mingdong Yi,
  • Jingjie Zhang,
  • Wenyu Liu and
  • Chonghai Xu

4 May 2025

The continuous advancement of technology has led to escalating demands for superior tribological performance in industrial applications, necessitating the enhancement of ceramic materials’ frictional properties through innovative approaches. So...

  • Review
  • Open Access
93 Citations
15,854 Views
22 Pages

The Role of Solid Lubricants for Brake Friction Materials

  • Werner Österle and
  • Andrey I. Dmitriev

This review article comprises of three parts. Firstly, reports of brake manufacturers on the beneficial impact of solid lubricants for pad formulations are surveyed. Secondly, since tribofilms were identified to play a crucial role in friction stabil...

  • Article
  • Open Access
4 Citations
1,501 Views
12 Pages

Friction Properties of Alumina–Silicon Carbide–Silver–Graphene Nanoplatelet Self-Lubricating Composite Prepared by SPS Technique

  • Viktor Puchý,
  • Jana Andrejovská,
  • Richard Sedlák,
  • Róbert Džunda,
  • František Kromka,
  • Ivan Petryshynets,
  • Mária Podobová and
  • Ladislav Falat

Al2O3 with SiC, silver, and graphene nanoplatelets (GNPs) powder mixture was produced by ball milling using ethanol as dispersion media. The GNP-reinforced Al2O3-SiC-Ag ceramic–metal composites were densified by spark plasma sintering technolog...

  • Article
  • Open Access
5 Citations
1,978 Views
16 Pages

Mechanical and Tribological Properties of Ag/TiBx Nanocomposite Thin Films with Strong Antibacterial Effect Prepared by Magnetron Co-Sputtering

  • Marek Vidiš,
  • Martin Truchlý,
  • Vitalii Izai,
  • Tomáš Fiantok,
  • Miroslav Rajninec,
  • Tomáš Roch,
  • Leonid Satrapinskyy,
  • Marián Haršáni,
  • Štefan Nagy and
  • Marián Mikula
  • + 1 author

The use of silver-based antimicrobial materials has been growing recently. Considering the threat of developing silver-resistant bacteria, it is essential to address the endurance of such materials and the amount of silver released into the environme...

  • Article
  • Open Access
5 Citations
3,011 Views
14 Pages

3 October 2019

Keeping a coating–substrate system undamaged during heavy-load elastohydrodynamic lubrication (EHL) conditions is challenging. To overcome this problem, an EHL model with a coated gear pair was built. Firstly, based on the full-system finite el...

  • Article
  • Open Access
5 Citations
1,546 Views
19 Pages

Tribological Investigation of Polymer Composite Dynamic Shaft Seals in Extraterrestrial Applications

  • Ádám Kalácska,
  • Alexander Coen,
  • Jean Carlos Poletto,
  • Patrick De Baets and
  • Gábor Kalácska

18 December 2024

Polymer seals are utilized in various engineering applications to prevent leakage and contamination. The study investigates the wear and friction behavior of PTFE-based dynamic rotary seals, targeting their usage in space applications. Pin-on-disc dr...

  • Article
  • Open Access
5 Citations
2,571 Views
13 Pages

Effects of Copper Content on the Microstructural, Mechanical and Tribological Properties of TiAlSiN–Cu Superhard Nanocomposite Coatings

  • Sung-Bo Heo,
  • Wang Ryeol Kim,
  • Jun-Ho Kim,
  • Su-Hyeon Choe,
  • Daeil Kim,
  • Jae-Hun Lim and
  • In-Wook Park

19 December 2022

The effects of the Cu content on the microstructural, mechanical and tribological properties of the TiAlSiN–Cu coatings were investigated in an effort to improve the wear resistance with a good fracture toughness for cutting tool applications....

  • Article
  • Open Access
17 Citations
5,854 Views
20 Pages

Metal (Ag/Ti)-Containing Hydrogenated Amorphous Carbon Nanocomposite Films with Enhanced Nanoscratch Resistance: Hybrid PECVD/PVD System and Microstructural Characteristics

  • Marios Constantinou,
  • Petros Nikolaou,
  • Loukas Koutsokeras,
  • Apostolos Avgeropoulos,
  • Dimitrios Moschovas,
  • Constantinos Varotsis,
  • Panos Patsalas,
  • Pantelis Kelires and
  • Georgios Constantinides

30 March 2018

This study aimed to develop hydrogenated amorphous carbon thin films with embedded metallic nanoparticles (a–C:H:Me) of controlled size and concentration. Towards this end, a novel hybrid deposition system is presented that uses a combination of Plas...

  • Article
  • Open Access
8 Citations
3,408 Views
17 Pages

Microstructure and Wear Resistance of Hot-Work Tool Steels after Electron Beam Surface Alloying with B4C and Al

  • Undrakh Mishigdorzhiyn,
  • Aleksandr Semenov,
  • Nikolay Ulakhanov,
  • Aleksandr Milonov,
  • Dorzho Dasheev and
  • Pavel Gulyashinov

(1) Background: Operational properties and durability of dies in different metal-forming processes significantly depend on their surface quality. Major die failures are related to surface damage due to heat checking cracks, wear, etc. Thereby, streng...