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Thermomechanical finite element modelling of wheel-rail contact and experimental validation
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-22 DOI: 10.1016/j.triboint.2025.110666
Chunyan He, Zhen Yang, Pan Zhang, Rolf Dollevoet, Zili Li
{"title":"Thermomechanical finite element modelling of wheel-rail contact and experimental validation","authors":"Chunyan He,&nbsp;Zhen Yang,&nbsp;Pan Zhang,&nbsp;Rolf Dollevoet,&nbsp;Zili Li","doi":"10.1016/j.triboint.2025.110666","DOIUrl":"10.1016/j.triboint.2025.110666","url":null,"abstract":"<div><div>Frictional heat is generated at the wheel-rail interface during train operations, particularly under high slip ratios during acceleration and braking. Thermal effects can accelerate wear, induce plastic deformation, and contribute to thermal fatigue. Reliable modelling of wheel-rail contact that considers friction-induced thermal effects is desirable for the accurate prediction of wheel-rail interface deterioration. Several analytical and numerical models have been proposed to simulate thermal or thermomechanical wheel-rail loads but have rarely been validated, especially in high slip ratio scenarios where flash temperatures exceed 200 °C. This study develops and experimentally validates a three-dimensional thermomechanical finite element (FE) wheel-rail contact model for high slip ratio conditions, with contact temperatures reaching 360 °C. The model incorporates key mechanical parameters, including wheel loads, coefficients of friction, and slip ratios. Simulated rail surface temperatures across various slip ratios (5 %, 10 %, and 15 %) are compared with the flash temperatures measured with an onboard infrared thermal camera, showing good agreement with a maximum deviation of 9.9 %. This confirms the reliability of the model for simulating wheel-rail contact under thermal effects.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"209 ","pages":"Article 110666"},"PeriodicalIF":6.1,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143739125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accounting for mechanical properties of ZDDP tribofilms in continuum-based wear simulations
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-22 DOI: 10.1016/j.triboint.2025.110639
Robert Anderluh , Waleed Al-Sallami , William Anderson , Hrvoje Jasak
{"title":"Accounting for mechanical properties of ZDDP tribofilms in continuum-based wear simulations","authors":"Robert Anderluh ,&nbsp;Waleed Al-Sallami ,&nbsp;William Anderson ,&nbsp;Hrvoje Jasak","doi":"10.1016/j.triboint.2025.110639","DOIUrl":"10.1016/j.triboint.2025.110639","url":null,"abstract":"<div><div>This work discusses the importance of adequate modelling of mechanical properties of zinc dialkyldithophosphate (ZDDP) tribofilms, namely elastic modulus and hardness, for use in continuum mechanics computational simulations. A review of previous modelling efforts is conducted, and novel methods are proposed. The novel approaches are examined in contact mechanics simulations involving ZDDP tribofilms on steel surfaces. A comparison between the new methods and some previous modelling attempts is presented. The new elastic modulus and hardness and plastic deformation models performed well in simulations.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110639"},"PeriodicalIF":6.1,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143725282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrical fluting damage of rolling element bearings: Influences of AC electrical parameters and operating conditions
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-21 DOI: 10.1016/j.triboint.2025.110658
Hai Ye , Jun Yin , Xiaobo Wang , Wenjing Lou , Peng Liang , Haichao Liu
{"title":"Electrical fluting damage of rolling element bearings: Influences of AC electrical parameters and operating conditions","authors":"Hai Ye ,&nbsp;Jun Yin ,&nbsp;Xiaobo Wang ,&nbsp;Wenjing Lou ,&nbsp;Peng Liang ,&nbsp;Haichao Liu","doi":"10.1016/j.triboint.2025.110658","DOIUrl":"10.1016/j.triboint.2025.110658","url":null,"abstract":"<div><div>An electro-corrosion test rig for rolling bearings has been developed to investigate the effects of voltage amplitude, electric frequency, rotating speed, and axial load on the bearing fluting under alternating current (AC) fields. The results show that with an increase in the voltage amplitude, electric frequency, and rotating speed, the fluting damage stripes on the inner ring of the bearing first increase and then decrease. With an increase in axial load, the number of fluting stripes decreases. These trends of variation were discussed through parameters such as discharge activity frequency, current density, and lubrication status for different working conditions. Finally, for the relieve of fluting, after replacing one or three steel balls with ceramic ones, the transverse fluting stripes disappeared.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110658"},"PeriodicalIF":6.1,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143738137","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
Nonlinear vibration and slippage characteristics analysis of full-ceramic bearings with dynamic surface waviness
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-21 DOI: 10.1016/j.triboint.2025.110664
Zhan Wang , Rui Zhao , Siyang Chen , Zinan Wang , Ke Zhang , Peng Zhou , Liuwang Gao
{"title":"Nonlinear vibration and slippage characteristics analysis of full-ceramic bearings with dynamic surface waviness","authors":"Zhan Wang ,&nbsp;Rui Zhao ,&nbsp;Siyang Chen ,&nbsp;Zinan Wang ,&nbsp;Ke Zhang ,&nbsp;Peng Zhou ,&nbsp;Liuwang Gao","doi":"10.1016/j.triboint.2025.110664","DOIUrl":"10.1016/j.triboint.2025.110664","url":null,"abstract":"<div><div>To examine the impact of surface waviness on nonlinear vibration and slippage characteristics of the full-ceramic bearing (FCB), thermal deformation and displacement excitation are coupled to propose the dynamic surface waviness model. The time-varying displacement excitation (TVDE) and the Hertz contact theory are combined to obtain the calculation method of the time-varying contact stiffness coefficient (TVCSC). The slipping dynamic model of FCBs is established. We examine how the slippage and nonlinear vibration properties of FCBs are affected by thermal deformation, rotating speed, and waviness. The findings indicate that the rise in rotational speed, waviness amplitude and wave number all cause the increased ball-raceway contact stiffness coefficient. The rise in the amplitude of waviness as well as wave number can have the effect of inhibiting slippage. However, they can be too large resulting in an abnormal inner ring vibration. The increase in rotational speed can exacerbate slippage. Meanwhile the thermal deformation also has the effect of inhibiting slippage. The maximum fundamental frequency error between simulation and experiment is 0.37 %. This research can benefit the optimal design of FCBs structures.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110664"},"PeriodicalIF":6.1,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143705042","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
Advancements in MXene-based nanomaterials for tribological applications: Comprehensive review and future prospects
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-20 DOI: 10.1016/j.triboint.2025.110665
H.A. Zaharin , M.J. Ghazali , N. Thachnatharen , F. Ezzah , M. Khalid
{"title":"Advancements in MXene-based nanomaterials for tribological applications: Comprehensive review and future prospects","authors":"H.A. Zaharin ,&nbsp;M.J. Ghazali ,&nbsp;N. Thachnatharen ,&nbsp;F. Ezzah ,&nbsp;M. Khalid","doi":"10.1016/j.triboint.2025.110665","DOIUrl":"10.1016/j.triboint.2025.110665","url":null,"abstract":"<div><div>MXenes, a class of two-dimensional materials, have emerged as promising candidates for enhancing lubrication and reducing wear in mechanical systems amidst growing concerns over energy efficiency and environmental sustainability. This review provides a comprehensive overview of MXene-based nanomaterials and their potential applications in tribology. The unique structural and chemical properties of MXenes contribute to their favorable tribological performance, which is discussed alongside various synthesis methodologies. Recent advancements in using MXenes as solid and liquid lubricants are highlighted, emphasizing their effectiveness in reducing friction and wear under different operating conditions. However, the review also addresses challenges associated with the scalability of synthesis methods and the need for experimental validation of MXene performance in real-world applications. By examining the current state of research, this work aims to explicate the specific advantages of MXenes in tribological applications and provide insights into future directions for their development.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110665"},"PeriodicalIF":6.1,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143697243","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
Modelling of single grit micro-cutting of Ti-6Al-4V and In-718 with experimental validation
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-20 DOI: 10.1016/j.triboint.2025.110661
Gautam Kumar , N.D. Chakladar , Soumitra Paul
{"title":"Modelling of single grit micro-cutting of Ti-6Al-4V and In-718 with experimental validation","authors":"Gautam Kumar ,&nbsp;N.D. Chakladar ,&nbsp;Soumitra Paul","doi":"10.1016/j.triboint.2025.110661","DOIUrl":"10.1016/j.triboint.2025.110661","url":null,"abstract":"<div><div>In the present study, a single-grit micro-cutting simulation model was developed for Ti-6Al-4V and In-718 work materials when ground with a single cBN grit on the grinding wheel hub. User-defined subroutines were implemented to integrate the phenomenon of dynamic recrystallization and strain gradient effect. Numerical simulations were performed using a pyramidal shaped and CT-scanned actual grit with varying grit orientations. The effect of process parameters and grit orientation on the mechanism of material removal, pile-up ratio, micro-cutting forces, specific micro-cutting energy, and chip morphology was analyzed for Ti-6Al-4V and In-718. The simulated results using CT-scanned grit agreed with experimental values. The average deviation of the pile-up ratio with varying micro-cutting velocity at maximum uncut chip thickness of 10 µm using CT-scanned grit for Ti-6Al-4V was 9.2 %, and for In-718 was 8.1 %. The comparison of the average effect of grit orientation on the peak magnitude of normal and tangential micro-cutting force obtained by numerical simulation at maximum uncut chip thickness of 10 µm and cutting velocity of 30 m/s using CT-scanned grit matched precisely with experimental values with an error of 3.2 % and 2.7 % for Ti-6Al-4V and 2.2 % and 3.8 % for In-718. The error of the simulated results for specific micro-cutting energy was 13.8 % for Ti-6Al-4V and 11.8 % for In-718. The developed modelling algorithm provides a valuable understanding for selecting effective grinding parameters for different alloys, provided the material constitutive parameters are given.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110661"},"PeriodicalIF":6.1,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687280","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
An investigation into the evolution of surface topography and contact characteristics of rolling elements under repeated rolling contact
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-20 DOI: 10.1016/j.triboint.2025.110644
Mostafa Gargourimotlagh, Dave Matthews, Matthijn de Rooij
{"title":"An investigation into the evolution of surface topography and contact characteristics of rolling elements under repeated rolling contact","authors":"Mostafa Gargourimotlagh,&nbsp;Dave Matthews,&nbsp;Matthijn de Rooij","doi":"10.1016/j.triboint.2025.110644","DOIUrl":"10.1016/j.triboint.2025.110644","url":null,"abstract":"<div><div>Surface topography evolution under repeated rolling contact is essential in understanding the wear and fatigue damage of rolling elements. However, the response of rough surfaces with different surface topographies to the loading conditions remains unclear. Two distinct surface textures were experimentally and numerically analyzed under various operating conditions. The experimental and numerical outcomes indicate how the roughness evolution is dependent on the initial surface texture and surface plasticity. The results show that the deformation behavior and evolution trend of surfaces with high initial surface plasticity are independent of loading conditions. In addition, initial hardness ratio and surface work hardening play an important role in the modification rate of rough surfaces and how a steady state of contacting surfaces is achieved.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110644"},"PeriodicalIF":6.1,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhanced fretting wear resistance of 2A12 aluminium alloys through laser shock peening without coating
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-19 DOI: 10.1016/j.triboint.2025.110646
He Gengchao , Guo Weiling , Zhou Longlong , Li Ke , Huang Yanfei , Wang Haidou , Cai Zhenbing , Xing Zhiguo
{"title":"Enhanced fretting wear resistance of 2A12 aluminium alloys through laser shock peening without coating","authors":"He Gengchao ,&nbsp;Guo Weiling ,&nbsp;Zhou Longlong ,&nbsp;Li Ke ,&nbsp;Huang Yanfei ,&nbsp;Wang Haidou ,&nbsp;Cai Zhenbing ,&nbsp;Xing Zhiguo","doi":"10.1016/j.triboint.2025.110646","DOIUrl":"10.1016/j.triboint.2025.110646","url":null,"abstract":"<div><div>In order to further improve the service life of aluminium alloy components in harsh environments, in this study, laser shock peening without coating (LSPwC) was applied to 2A12 aluminium alloy. By controlling the laser energy, the maximum cross-section microhardness and maximum residual compressive stress of aluminium alloy can reach 79.8 HV and −163.6 MPa (at a depth of 100 μm), and the lowest wear volume is only 15 % of the untreated aluminium alloy. The high hardness and high residual compressive stress of the alloys are mainly attributed to dislocation accumulation and grain refinement induced by LSPwC. The enhanced fretting wear resistance of the aluminum alloy is attributed to the presence of oxide layers reinforced by amorphous nano-oxide particles, the bumps-holes staggered-type structure on the surface, and the plastic deformation and formation of strain-harding regions introduced by LSPwC.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110646"},"PeriodicalIF":6.1,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687273","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
Study on the tribological behavior of Ti-6Al-4V under emulsion lubrication with different oil-water ratio
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-19 DOI: 10.1016/j.triboint.2025.110653
Zhao Zhang , Yanyan Yan , Yangyang Ding , Zhankui Wang
{"title":"Study on the tribological behavior of Ti-6Al-4V under emulsion lubrication with different oil-water ratio","authors":"Zhao Zhang ,&nbsp;Yanyan Yan ,&nbsp;Yangyang Ding ,&nbsp;Zhankui Wang","doi":"10.1016/j.triboint.2025.110653","DOIUrl":"10.1016/j.triboint.2025.110653","url":null,"abstract":"<div><div>In this study, the tribological behavior of Ti-6Al-4V is investigated by the cooling properties (thermal conductivity, volume specific heat), lubrication properties (oil film thickness, surface morphology, friction coefficient), and wetting properties (contact angle) of the emulsion. The results show that the developed emulsions exhibit excellent lubrication and cooling properties. Compared to dry grinding and oil lubrication, the friction coefficients of the emulsion lubrication decreased by 59.3 % and 45.51 %, respectively, and the temperature in the contact area decreased by 32.29 % and 17.58 %, respectively. Additionally, the adhesive wear and abrasive wear in the contact area are reduced under emulsion lubrication conditions, which mitigates the wear of Ti-6Al-4V and WC-6Co. This study provides important guidance for the efficient grinding of Ti-6Al-4V.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110653"},"PeriodicalIF":6.1,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687281","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
Letter to the editor regarding wrong nanoindentation measurements in the article by L. Zhang et al.
IF 6.1 1区 工程技术
Tribology International Pub Date : 2025-03-19 DOI: 10.1016/j.triboint.2025.110663
Esteban Broitman
{"title":"Letter to the editor regarding wrong nanoindentation measurements in the article by L. Zhang et al.","authors":"Esteban Broitman","doi":"10.1016/j.triboint.2025.110663","DOIUrl":"10.1016/j.triboint.2025.110663","url":null,"abstract":"","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"208 ","pages":"Article 110663"},"PeriodicalIF":6.1,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143687146","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
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