Tribology International最新文献_第10页

Influencing mechanisms of niobium and nitrogen implantation on tribological properties of 8Cr4Mo4V steel under starved lubrication

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-27 DOI: 10.1016/j.triboint.2024.110490

Yulei Yang , Bin Liu , Bihua Lin , Jie Jin , Haiyue Ren , Yuji Chen , Minghui Pan , Yi Liang

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Mass finishing for additive manufacturing: Tribological analysis, surface topology, image processing, predictive model, and processing recommendations

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-26 DOI: 10.1016/j.triboint.2024.110486

Foxian Fan , Sagar Jalui , Kazi Shahed , Brigid Mullany , Guha Manogharan

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Friction and wear behavior of 3D printed graphite/SiC composite self-lubricating materials with multi-materials and structures

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-26 DOI: 10.1016/j.triboint.2024.110487

Hualong Zhang , Haihua Wu , Xiaolong Wang , Aodong Gao , Liang Gong , Shiyu Zeng , Siwei Li , Mingmin Liu , Yihao Chen

{"title":"Friction and wear behavior of 3D printed graphite/SiC composite self-lubricating materials with multi-materials and structures","authors":"Hualong Zhang , Haihua Wu , Xiaolong Wang , Aodong Gao , Liang Gong , Shiyu Zeng , Siwei Li , Mingmin Liu , Yihao Chen","doi":"10.1016/j.triboint.2024.110487","DOIUrl":"10.1016/j.triboint.2024.110487","url":null,"abstract":"<div><div>In this paper, selective laser sintering molding technology is used to assemble two materials, namely, flake graphite and spherical graphite, in the form of homogeneous mixing and layered combination, and at the same time, the flake graphite is oriented with 45°deflection to realize multi-materials and structure 3D printing, and then the graphite/SiC composite self-lubricating materials are prepared by melt infiltration silicon treatment. The study found that both the homogeneous mixed type and the layered combination type, with a layer thickness of 1 mm, exhibit excellent friction and wear reduction properties. While forming a uniform and continuous graphite lubrication film, the surface pits facilitate the collection of hard abrasive particles, thereby reducing abrasive wear. Furthermore, the small-sized spherical graphite transitions from sliding to rolling due to the ball bearing effect, resulting in a composite material with a low coefficient of friction (0.15–0.16) and a wear rate of (3.18–5.93 ×10<sup>−5</sup> mm<sup>3</sup>/Nm).</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"204 ","pages":"Article 110487"},"PeriodicalIF":6.1,"publicationDate":"2024-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143158535","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

Wear compatibility of super-hard WB4-B tribo-pair materials in moist environments

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-26 DOI: 10.1016/j.triboint.2024.110485

Guixin Hou , Jiao Chen , Wenyuan Chen , Juanjuan Chen , Jun Cheng , Shengyu Zhu , Jun Yang

引用次数: 0

Wear behaviour of additively manufactured Nitinol cryogenically machined at different cutting speeds

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-25 DOI: 10.1016/j.triboint.2024.110478

Alessandra Guarise, Rachele Bertolini, Andrea Ghiotti, Stefania Bruschi

{"title":"Wear behaviour of additively manufactured Nitinol cryogenically machined at different cutting speeds","authors":"Alessandra Guarise, Rachele Bertolini, Andrea Ghiotti, Stefania Bruschi","doi":"10.1016/j.triboint.2024.110478","DOIUrl":"10.1016/j.triboint.2024.110478","url":null,"abstract":"<div><div>Nitinol is a distinctive nickel-titanium alloy renowned for its superelasticity, shape memory properties, and biocompatibility, making it highly suitable for applications in the biomedical and aerospace sectors. The performance and service life of Nitinol components are strongly influenced by the process chain and the associated manufacturing parameters. However, existing studies often focus on the effects of individual steps in the process chain, overlooking the combined impact of multiple steps on the material’s properties. In this context, the study explores the combined effects of additive manufacturing, heat treatment, and cryogenic machining on the wear performance of a Ni-rich Nitinol alloy. The material was systematically assessed in its as-built and heat-treated conditions for microstructure, transformation temperatures, nano-hardness, superelasticity, and surface roughness. Key findings show that heat treatment following additive manufacturing significantly enhanced the superelasticity and mechanical strength of the alloy, underlining the importance of heat treatment after additive manufacturing of Ni-rich Nitinol. On the contrary, the cryogenic machining step reduced the material superelasticity, with the influence of the cutting speed to be taken into account. Wear tests further demonstrate the superelasticity effect in assessing Nitinol’s wear resistance, with surface roughness also playing a significant role. The study underscores the potential of heat-treated NiTi in applications requiring high mechanical strength, wear resistance, and superelasticity, such as biomedical devices and aerospace components.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"204 ","pages":"Article 110478"},"PeriodicalIF":6.1,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143158533","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

Oxide tribolayer breakdown on sliding metal contacts drives thermal ignition

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-25 DOI: 10.1016/j.triboint.2024.110484

Andres Garcia Jimenez , Timothy Wabel , Fabio A. Bendana , John D. DeSain , Levon Gevorkyan , Zachary C. Cordero

{"title":"Oxide tribolayer breakdown on sliding metal contacts drives thermal ignition","authors":"Andres Garcia Jimenez , Timothy Wabel , Fabio A. Bendana , John D. DeSain , Levon Gevorkyan , Zachary C. Cordero","doi":"10.1016/j.triboint.2024.110484","DOIUrl":"10.1016/j.triboint.2024.110484","url":null,"abstract":"<div><div>Frictional heating at sliding metallic contacts in high-pressure oxygen environments can cause frictional ignition and metal fires. Alloys that resist frictional ignition tend to grow a thick, protective oxide tribolayer during sliding. Ignition occurs when this tribolayer breaks down, exposing the hot underlying metal to oxygen. This paper establishes a quantitative link between frictional ignition and tribolayer breakdown using thermal ignition theory. The tribolayer breakdown mechanisms that drive frictional ignition of several engineering alloys are determined experimentally. For the alloy Haynes 214, the dominant tribolayer breakdown mechanism transitions from melting of the underlying metal to mechanical failure as oxygen pressure decreases, demonstrating how operating conditions affect ignition behavior. Thermal ignition theory is used to determine a critical interfacial temperature above which an alloy ignites in the absence of an oxide tribolayer. For the alloys of present interest, this critical temperature is lower than both the interfacial temperature at ignition (when the tribolayer breaks down) and the alloy melting point. In the temperature range between the critical and ignition temperatures, the sliding contact is metastable, meaning ignition occurs if the tribolayer is disturbed. Ignition resistance can be improved by raising the critical temperature towards the alloy melting point through changes in component design, operating conditions, and material properties. Additionally, tailoring alloy chemistry to promote the growth of a breakdown-resistant tribolayer allows safe operation in the metastable regime.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"205 ","pages":"Article 110484"},"PeriodicalIF":6.1,"publicationDate":"2024-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143093523","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

Enhancement of thrust ball bearings performance through biomimetic composite textures: A comparative analysis under grease-starved lubrication condition

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-24 DOI: 10.1016/j.triboint.2024.110483

Can Wu , Chen Zheng , Huijun Zhao , Mariyam Jameelah Ghazali , Yijun Wei , Zefei Zhu

引用次数: 0

Experimental and theoretical analysis of the stability behaviour of a rigid rotor supported by conical gas foil bearings

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-24 DOI: 10.1016/j.triboint.2024.110467

Marian Sarrazin, Robert Liebich

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Tribological behaviour of nano-titanium dioxide filled UHMWPE composites with a variety of micro fillers based on carbon, boron nitride and silicon dioxide under water-lubricated condition

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-24 DOI: 10.1016/j.triboint.2024.110479

Prashant Gangwani , Nazanin Emami , Mitjan Kalin

{"title":"Tribological behaviour of nano-titanium dioxide filled UHMWPE composites with a variety of micro fillers based on carbon, boron nitride and silicon dioxide under water-lubricated condition","authors":"Prashant Gangwani , Nazanin Emami , Mitjan Kalin","doi":"10.1016/j.triboint.2024.110479","DOIUrl":"10.1016/j.triboint.2024.110479","url":null,"abstract":"<div><div>Recent advances in the tribology of polymer composites in water-lubricated conditions have focused on achieving a synergistic effect by incorporating multiple fillers into the polymer matrix. This approach requires a comprehensive understanding of how each filler interacts with the other components, something that remains unknown for hard fillers. This study investigates the tribological performance and tribological mechanisms of a hard filler, nano-titanium dioxide, in a short-carbon-fibre-reinforced, ultra-high-molecular-weight-polyethylene (UHMWPE) composite when combined with microfillers that include graphite, hexagonal boron nitride and silicon dioxide. The results reveal that, while composites with nano-titanium dioxide and microfillers improve the friction by 30–53 % compared to basic fibre-reinforced UHMWPE, the nano-titanium dioxide reduced the friction only with boron nitride and silicon dioxide. In these cases, the nano-titanium dioxide contributes to transferred material onto the steel surface where it embeds in a relatively softer layer of material composed of other components transferred from the composite and thereby reduces the friction. In contrast, all the composites have lower wear rates than the basic carbon-fibre-reinforced composite. We present how the nano-titanium dioxide interacts synergistically with all the microfillers, with each filler contributing in its own way to improving the load-bearing capacity and hindering the fibre pullout. Surprisingly, the combination with the graphite microfiller did not reduce the friction, but had the lowest wear rate in this study of 5–8 × 10⁻<sup>8</sup> mm³ /Nm. The impact of the contact pressure on the fillers’ interactions and the tribological performance is also highlighted in this study.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"204 ","pages":"Article 110479"},"PeriodicalIF":6.1,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143159764","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

Bending tribo-fatigue behaviors between steel wire rope and rope groove material of offshore rig winch drum

IF 6.1 1区工程技术

Tribology International Pub Date : 2024-12-24 DOI: 10.1016/j.triboint.2024.110477

Dagang Wang , Hailang Chong , Shirong Ge , Ke Wu , Bo Wang , Chenchen Li , Wei Ji , Jie Zhang , Jianhao Chen , Haiyan Deng , Chengyu Zhang

{"title":"Bending tribo-fatigue behaviors between steel wire rope and rope groove material of offshore rig winch drum","authors":"Dagang Wang , Hailang Chong , Shirong Ge , Ke Wu , Bo Wang , Chenchen Li , Wei Ji , Jie Zhang , Jianhao Chen , Haiyan Deng , Chengyu Zhang","doi":"10.1016/j.triboint.2024.110477","DOIUrl":"10.1016/j.triboint.2024.110477","url":null,"abstract":"<div><div>The coupling effect of the acceleration/deceleration operation during starting and braking, the continuous winding in, winding out and the transition between the layers of the rope, and the low-frequency vibration of the winch in the hoisting system causes bending tribo- fatigue behaviors between the winch drum wire ropes and the rope groove material in the offshore drilling rigs. A self-made test rig was developed for the bending tribo- fatigue tests between the wire rope and rope groove. The effects of wrap angles, fatigue loads, and fatigue cycles on the tribological properties (the friction coefficient, wear mechanism, volume loss, wear rate, etc.) were studied. The results indicate that an increase in fatigue load and fatigue cycles results in more severe coupling damage to wire ropes subjected to bending tribo-fatigue, while an increase in wrap angle slightly mitigates the severity of this coupling damage. The findings provide theoretical guidance for enhancing the operational reliability of drum wire ropes.</div></div>","PeriodicalId":23238,"journal":{"name":"Tribology International","volume":"204 ","pages":"Article 110477"},"PeriodicalIF":6.1,"publicationDate":"2024-12-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143158923","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