Tribology International最新文献_第9页

MoS2 nanoadditives for lubrication: Morphology, surface chemistry, and mechanisms 用于润滑的二硫化钼纳米添加剂：形态、表面化学和机理

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-30 DOI: 10.1016/j.triboint.2025.111151

Zhengquan Jiang , Zehan Zhang , Aiyun Jiang , Zhongzheng Yang , Laigui Yu , I.N. Kavaliova , Maksim V. Prozhega , Yongxing Hao

{"title":"MoS2 nanoadditives for lubrication: Morphology, surface chemistry, and mechanisms","authors":"Zhengquan Jiang , Zehan Zhang , Aiyun Jiang , Zhongzheng Yang , Laigui Yu , I.N. Kavaliova , Maksim V. Prozhega , Yongxing Hao","doi":"10.1016/j.triboint.2025.111151","DOIUrl":"10.1016/j.triboint.2025.111151","url":null,"abstract":"<div><div>Molybdenum disulfide (MoS<sub>2</sub>) nanoparticles, with distinctive physical and chemical properties, significantly improve anti-friction and anti-wear performance as nanoadditives, showing advantages over conventional counterparts. As a key topic in global tribology, MoS<sub>2</sub> nanoparticles are critical for developing low-energy and reliable lubrication systems. This review summarizes recent advances in MoS<sub>2</sub> nanoadditives, focusing on morphology control, surface chemistry, nanocomposite functionalization, and lubrication mechanisms. Despite substantial progress, challenges remain, including maintaining long-term stability under extreme conditions and clarifying the dynamic behavior of nanoparticles at frictional interfaces, among other issues. Promising strategies include integrating multiscale simulations, in situ characterization, and intelligent nanoadditives design. Finally, the review outlines a theoretical framework for advanced lubricants and proposes a roadmap for engineering MoS<sub>2</sub>-based nanoadditives.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"214 ","pages":"Article 111151"},"PeriodicalIF":6.1,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Unraveling material removal mechanism in laser-assisted grinding of fused silica: Molecular dynamics simulation of surface/subsurface evolution 熔融石英激光辅助磨削中材料的去除机制：表面/次表面演化的分子动力学模拟

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-30 DOI: 10.1016/j.triboint.2025.111150

Feijie Cui , Minghui Yang , Ben Deng , Xiaowei Tang , Rong Yan , Fangyu Peng

{"title":"Unraveling material removal mechanism in laser-assisted grinding of fused silica: Molecular dynamics simulation of surface/subsurface evolution","authors":"Feijie Cui , Minghui Yang , Ben Deng , Xiaowei Tang , Rong Yan , Fangyu Peng","doi":"10.1016/j.triboint.2025.111150","DOIUrl":"10.1016/j.triboint.2025.111150","url":null,"abstract":"<div><div>Fused silica with hard and brittle characteristics offers poor machinability due to its low fracture toughness. Conventional grinding (CG) inevitably produces severe subsurface damage and low material removal rates. Laser-assisted machining (LAM) technology facilitates the improvement of the machinability of fused silica. However, the dynamic removal behavior of fused silica under laser heating remains ambiguous. In this study, a molecular dynamics (MD) model for single-abrasive laser-assisted grinding (LAG) of fused silica is constructed. The microscopic tribological mechanisms under various laser powers are systematically investigated, including the surface formation, densification behavior, grinding forces, and subsurface stress state and deformation. The results indicate that laser heating leads to a transition of the removal mechanism from densification to shear flow. In addition, LAG contributes to the reduction of grinding forces, which can be attributed to two aspects. One is that laser heating promotes the thermal motions of fused silica atoms and thus degrades the stability of the crystal structure, and the other is that laser heating induces larger atomic voids in the area to be removed and thus minimizes the hindrance to the motion of abrasive. Furthermore, LAG alleviates the stress concentration phenomenon and lessens the probability of microcracks. Ultimately, this study proposes a new strategy to quantify the evolution of subsurface damage by means of an index of subsurface deformation depth, and 64 μW is identified as the optimal laser power. In summary, the LAG technology reduces subsurface damage while increasing the removal rate of fused silica. This study provides a meaningful guide for the high-efficient and low-damage processing of fused silica.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"214 ","pages":"Article 111150"},"PeriodicalIF":6.1,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A distinctive atomic slipping behavior in single atomic layer removal of Cu chemical mechanical polishing 铜化学机械抛光中单原子层去除的独特原子滑移行为

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-30 DOI: 10.1016/j.triboint.2025.111152

Ming Wang, HongAo Yang, ZiHan Liu, YouLiang Su, Bo Zhang

{"title":"A distinctive atomic slipping behavior in single atomic layer removal of Cu chemical mechanical polishing","authors":"Ming Wang, HongAo Yang, ZiHan Liu, YouLiang Su, Bo Zhang","doi":"10.1016/j.triboint.2025.111152","DOIUrl":"10.1016/j.triboint.2025.111152","url":null,"abstract":"<div><div>Atomic-level surface behaviors in Cu chemical mechanical polishing (CMP) play an important role in polishing quality. Despite decades of investigation, the atomic-scale dynamic processes in single atomic layer removal of Cu CMP are not yet clear, particularly in the atomic-scale manufacturing processes of cutting-edge chips. We conducted ReaxFF molecular dynamics simulations to reveal how a distinctive Cu atomic slipping behavior occurred and dominated surface morphology evolution in the single atomic layer removal of Cu CMP. We observed Cu atomic removal from Cu substrate and Cu atomic slipping within its topmost atomic layer. The atomic-level slipping behavior was initiated from the vacancy defects generated from Cu atomic removal. The occurrence and kinetics of the Cu atomic slipping behavior in Cu CMP was found to be facilitated by a certain amount of glycine but always suppressed by increased H<sub>2</sub>O<sub>2</sub>. The chemical origin of the promoting effect of glycine on the slipping behavior is facilitating Cu atomic removal while that of the suppressing effect of H<sub>2</sub>O<sub>2</sub> is forming the triangular pyramid structure composed of three Cu atoms and one OH group to inhibit Cu atoms’ motion. Moreover, a range of atomic-level roughness (Ra < 0.135 Å) was proposed to measure the surface roughness in the single atomic layer removal process of actual Cu CMP. This study provides valuable insights into the atomic mechanism of Cu atomic slipping-dominant surface morphology evolution in the single atomic layer removal of Cu CMP.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"214 ","pages":"Article 111152"},"PeriodicalIF":6.1,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A novel hindered phenol based multi-functional lubricant additive with enhanced antioxidant and tribological performance 一种新型阻化苯酚基多功能润滑油添加剂，具有较好的抗氧化和摩擦学性能

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-29 DOI: 10.1016/j.triboint.2025.111136

Yuexia Huang , Qiang Chen , Jing Yang , Pingxia Guo , Xiao Liu , Kai Feng , Meirong Cai , Feng Zhou

引用次数: 0

Fretting wear behavior of FeCr-based amorphous coatings related to the displacement amplitude and elevated temperature 铁铁基非晶涂层微动磨损行为与位移振幅和升温有关

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-28 DOI: 10.1016/j.triboint.2025.111146

Sheng Li , Haimin Zhai , Wensheng Li , Uladzimir Seniuts , Zhornik Viktor

{"title":"Fretting wear behavior of FeCr-based amorphous coatings related to the displacement amplitude and elevated temperature","authors":"Sheng Li , Haimin Zhai , Wensheng Li , Uladzimir Seniuts , Zhornik Viktor","doi":"10.1016/j.triboint.2025.111146","DOIUrl":"10.1016/j.triboint.2025.111146","url":null,"abstract":"<div><div>Lightweight AZ31B magnesium alloy components (e.g., engine gear casings, aircraft hubs) face accelerated failure under combined thermal and vibrational stresses. FeCr-based amorphous coatings (AMCs) are expected to address the shortcomings of existing surface treatment methods that are unable to accommodate the synergistic effects of these multiple factors. This study investigates fretting wear of a FeCr-based AMC under varying displacement amplitudes (10–120 μm) and temperatures (25°C, 250°C). Displacement amplitude and temperature synergistically govern fretting regimes, third-body layers, and energy dissipation. At 25°C, small displacements cause mild wear via oxidation/delamination; larger amplitudes induce severe abrasive wear. Conversely, at 250°C, enhances oxidation and thermal activation promote the formation of protective tribolayers. Small displacements increase oxidative wear, but amplitudes ≥50 μm facilitate debris sintering into dense layers. Crucially, at 120 μm/250°C, a friction-sintered layer reduces the wear rate to one-third and cumulative energy dissipation to 22% of the value observed at 25°C, shifting the dominant energy dissipation mechanism from coating damage to flow within the third body.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"214 ","pages":"Article 111146"},"PeriodicalIF":6.1,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Numerical modeling and damage mechanism analysis of typical fiber orientations of unidirectional carbon fiber-reinforced silicon carbide 单向碳纤维增强碳化硅典型纤维取向数值模拟及损伤机理分析

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-28 DOI: 10.1016/j.triboint.2025.111147

Yuying Yang , Yanke Yao , Tingting Zhou , Mingdong Yi , Shuoshuo Qu , Chonghai Xu

{"title":"Numerical modeling and damage mechanism analysis of typical fiber orientations of unidirectional carbon fiber-reinforced silicon carbide","authors":"Yuying Yang , Yanke Yao , Tingting Zhou , Mingdong Yi , Shuoshuo Qu , Chonghai Xu","doi":"10.1016/j.triboint.2025.111147","DOIUrl":"10.1016/j.triboint.2025.111147","url":null,"abstract":"<div><div>Carbon fiber-reinforced silicon carbide (C/SiC) composite materials are widely used in aerospace and rail transportation due to their high specific strength, thermal stability, and oxidation resistance. However, their anisotropic and brittle structure can easily lead to fiber fracture, matrix cracking, and interfacial debonding during grinding, severely affecting surface quality and service performance. To systematically elucidate the removal mechanisms under different fiber orientations, this study developed a three-dimensional grinding finite element model considering the three-phase synergistic interaction between carbon fibers, the SiC matrix, and the PyC interface. The material behavior was described using the Johnson–Holmquist II model, the VUMAT subroutine, and the Cohesive Surface method. Through C/SiC grinding simulations and experimental validation, the study concluded that the grinding force ranking is B > A > C, with direction B being the most challenging to process; When the grinding depth reaches 30 μm and the stress exceeds 10 MPa, cracks propagate along the SiC matrix and fiber gaps, leading to interface delamination; in subsurface damage, cracks in direction B reach a maximum depth of 25 μm and are prone to causing matrix brittle fracture; interface damage is most severe in direction B, extending to 50 μm below the surface layer. The results are highly consistent with experimental SEM images, validating the model's accuracy. This study achieved coupled modeling of micro-scale removal behavior and macro-scale grinding force response under different fiber orientations, providing theoretical support for optimizing low-damage processing techniques for high-performance C/SiC composite materials.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"214 ","pages":"Article 111147"},"PeriodicalIF":6.1,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913763","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A biomimetic robust hydrogel with enhanced tribological properties by magnetically oriented nanohybrids 磁性纳米杂化材料制备具有增强摩擦学性能的仿生坚固水凝胶

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-27 DOI: 10.1016/j.triboint.2025.111134

Xinyue Zhang , Qin Chen , Kai Chen , Haiyan Feng , Hongyu Zhang , Dekun Zhang , Shirong Ge

引用次数: 0

Dynamic wettability of complex fractal isotropic surfaces – Multiscale correlations 复杂分形各向同性表面的动态润湿性-多尺度相关性

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-27 DOI: 10.1016/j.triboint.2025.111145

Katarzyna Peta , Krzysztof J. Kubiak , Felice Sfravara , Christopher A. Brown

{"title":"Dynamic wettability of complex fractal isotropic surfaces – Multiscale correlations","authors":"Katarzyna Peta , Krzysztof J. Kubiak , Felice Sfravara , Christopher A. Brown","doi":"10.1016/j.triboint.2025.111145","DOIUrl":"10.1016/j.triboint.2025.111145","url":null,"abstract":"<div><div>The complexity of surface topography can significantly influence the wettability, lubrication, and, in consequence, wear of materials in tribological contact. Therefore, wettability can be an important factor in contact lubrication. This research aims to find a correlation between a fractal, i.e., geometric, complexity of isotropic surfaces and the wettability at different observation scales. Surface wettability can be characterized under static and dynamic conditions by determining the dynamic contact angle hysteresis. Multiscale geometric correlations of topographic complexity and advancing, receding contact angle interactions are used to discover the best observation scales for strong correlation with dynamic surface lubrication. The analytical results confirmed that there is a certain range of scales in which the correlation coefficients between topographic complexity and dynamic wettability are strong (r > 0.9). This paper describes a novel characterization of surface-functionality interactions by dynamic lubrication of isotropic surfaces in a multiscale aspect.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"214 ","pages":"Article 111145"},"PeriodicalIF":6.1,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144913762","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The high-speed dynamic tribological performance and enhanced wear resistance of EUG/NR composite: Insights from abrasion surface evolution and crosslinking structure EUG/NR复合材料的高速动态摩擦学性能和增强的耐磨性：来自磨损表面演变和交联结构的见解

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-27 DOI: 10.1016/j.triboint.2025.111135

Fei Teng , Jian Wu , Benlong Su , Youshan Wang

引用次数: 0

Tribological performance and failure mechanisms of soil-engaging components with brazed WC–Ni coatings 钎焊WC-Ni涂层与土接触部件的摩擦学性能及失效机理

IF 6.1 1区工程技术

Tribology International Pub Date : 2025-08-27 DOI: 10.1016/j.triboint.2025.111139

Xiaobao Zheng , Bugong Sun , Gui Gao , Honggang Wang , Yuan Qi , Gengrui Zhao , Junfang Ren , Yang Zhang

{"title":"Tribological performance and failure mechanisms of soil-engaging components with brazed WC–Ni coatings","authors":"Xiaobao Zheng , Bugong Sun , Gui Gao , Honggang Wang , Yuan Qi , Gengrui Zhao , Junfang Ren , Yang Zhang","doi":"10.1016/j.triboint.2025.111139","DOIUrl":"10.1016/j.triboint.2025.111139","url":null,"abstract":"<div><div>Soil-engaging components of agricultural machinery face harsh conditions during tillage, involving severe abrasive wear and high-impact stresses, which render them susceptible to wear-induced failure. To enhance their service performance, this study employs vacuum plasma brazing technology to fabricate WC-Ni-based wear-resistant coatings with WC contents ranging from 30–70 wt%. The results indicate that when the WC content is 50 wt%, the coating achieves optimal overall performance, with synergistic enhancement of hardness, toughness, and corrosion resistance. The Vickers hardness reaches 1206 HV<sub>20</sub>, compressive strength is 2.69 GPa, fracture toughness is 12.04 MPa·m<sup>1/2</sup>, and corrosion resistance is exceptional. Under severe wear conditions, the wear rate of the coating is reduced by more than 90 % compared to 65Mn steel, with a stable friction coefficient, demonstrating exceptional wear resistance. However, when the WC content exceeds optimal levels, internal defects within the coating increase, leading to a significant reduction in its performance under erosive wear conditions. In conclusion, the 50 wt% WC nickel-based brazed coating, used as a surface protection material for soil-engaging components, can significantly extend their service life, thereby enhancing both the reliability and economic efficiency of agricultural machinery.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"214 ","pages":"Article 111139"},"PeriodicalIF":6.1,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144917360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0