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Items from 1 to 20 out of 265 results

article

Optimized machine learning with hyperparameter tuning and response surface methodology for predicting tribological performance in bio‐composite materials

Saravanakumar Sengottaiyan, Sathiyamurthy Subbarayan, Vinoth Viswanathan, Pathmanaban Pugazhendi

Polymer Composites > 45 > 10 > 9421 - 9439

This study investigates the influence of NaOH treatment on tribological behavior in hybrid fiber‐reinforced composites, specifically employing Banana fiber with Al₂O₃ filler in an epoxy matrix. Through design of experiments (DOE), disc speed, wear duration, and NaOH treatment are analyzed for specific wear rate (SWR) and coefficient of friction (COF). To advance the understanding of wear characteristics,...

article

Mechanical and Tribological Properties of Hybrid and Monolithic Reinforced Hypoeutectic Al–Si Matrix Composites

Mohammad Reza Rezaei, Reza Nazemnezhad, Sahar Farahmandrad

Advanced Engineering Materials > 26 > 11 > n/a - n/a

This study investigates the combined influence of Si element and reinforcing particles on the hardness and wear performance of aluminum matrix composites. The composites in focus include Fe‐based metallic glass (FMG) monolithic reinforced and FMG/SiC hybrid reinforced Al‐5 wt% Si matrix composites, fabricated through spark plasma sintering (SPS). A comprehensive investigation is carried out, encompassing...

article

Effect of grain size on tribological behavior of hot‐pressed boron carbide sliding against alumina balls

Zhihui Zhou, Jie Xia, Minbo Wang, Ruidi Li, more

International Journal of Applied Ceramic Technology > 21 > 3 > 2136 - 2150

Boron carbide ceramics (B₄C) have extraordinary hardness and well‐abrasive resistance, while the tribological behavior of ceramic materials is complicated, which are affected by microstructures, mechanical properties, and surface characteristics, and so on. In this paper, the effect of grain size on the mechanical properties especially the wear resistance of hot‐pressed B₄C was investigated. The average...

article

Tribological and morphological properties of bentonite nano‐clay/CaCO₃ reinforced high‐density polyethylene nanocomposites

Tauseef Ahmed, Hamdan Haji Ya, Mohammad Azad Alam, Mohammad Azeem, more

Polymer Composites > 45 > 3 > 2063 - 2079

Elastomeric polymers such as high‐density polyethylene, have a variety of desirable features, that have supplanted traditional materials. However, high‐density polyethylene (HDPE) shows inadequate wear resistance, which limits its use for industrial applications, particularly in low‐load‐bearing applications such as flexible energy harvesting devices and sensors. The current work is engrossed in...

article

Effects of Humidity on Tribological Properties of 8YSZ/C Coating Designed by the Combination of Thermal Spraying and Hydrothermal Reaction

Wen Deng, Chuanyun Zhang, Junde Guo, Jingjing Zhang

Advanced Engineering Materials > 26 > 1 > n/a - n/a

Thermal spraying ceramic coatings have been widely used to prevent wear damage. However, the poor lubricating ability seriously restricted their application. In this article, zirconia stabilized by 8 wt% yttria (8YSZ)‐C composite coating is prepared with the combination of in‐situ synthesis carbon microspheres in the pores of as‐sprayed 8YSZ coating by hydrothermal reaction. The chemical constituents...

article

Additive Manufacturing of Polymer‐Based Lubrication

Khan Rajib Hossain, Pan Jiang, Xinle Yao, Jiayu Wu, more

Macromolecular Materials and Engineering > 308 > 11 > n/a - n/a

The fast growth of 3D printing technology gives designers many ways to make structures that are hard to see. 3D printing lets you customize complex structures in any way you want and make rapid prototypes of materials. It enables you to simulate things more effectively. So far, experiments with polymer‐based lubrication have been done on atomically smooth surfaces, under dynamic conditions, and on...

article

Friction and wear performances of Si₃N₄ ceramic matrix composites: A review from the perspectives of doped phase, layered structure design, and laser surface texturing

Hong‐Jian Wang, Hua‐Tay Lin, Fei Zhou, Rang Chu, more

International Journal of Applied Ceramic Technology > 20 > 5 > 2661 - 2680

Si₃N₄ ceramic matrix composites (SN‐CMCs) have been designed and widely used in many engineering fields under externally loading conditions. It is well known that the wear of materials is closely related to components’ mechanical reliability and service life. Understanding of the friction and wear performances is very important to provide insights into how to improve the wear resistance of materials...

article

Optimization of dry sliding wear behaviour of industrial wastes reinforced aluminium based metal matrix composites

P. Muthu

Materialwissenschaft und Werkstofftechnik > 54 > 3 > 327 - 334

Marble dust and basalt powder are industrial waste generated during the machining of marble stone and basalt rock. This paper presents an approach for the optimization of dry sliding wear parameters of aluminium 7075 reinforced with marble dust and basalt powder hybrid metal matrix composite using Taguchi based grey relational analysis. In this work, the composite is fabricated by stir casting technique...

article

Tribological behavior and wear mechanism of C/C–SiC brake discs based on third‐body layer

Yang Hui, Guimin Liu, Ruidong Shi, Yong Zhang, more

International Journal of Applied Ceramic Technology > 20 > 2 > 1310 - 1326

C/C–SiC composites are promising candidates for heavy‐duty tracked vehicle brake discs. A third‐body layer (TBL) can be formed on the surface of C/C–SiC self‐mated brake discs, which has an important impact on tribological behavior and wear mechanism of brake discs. Herein, the formation conditions and evolution process of TBL and its effect on friction and wear properties were investigated. An appropriate...

article

Enhancement of mechanical properties and wear of AA5083/316 stainless steel surface-composite developed through multi-pass friction stir processing (MPFSP)

Yiran Yang, Moslem Paidar, Sadok Mehrez, Olatunji Oladimeji Ojo

Archives of Civil and Mechanical Engineering > 2023 > Vol. 23, no. 1 > art. no. e13, 2023

In this investigation, the AA5083/316 stainless steel (ss) surface composite was generated by the friction stir processing (FSP) with the aim of improving the mechanical properties, the corrosion and tribological performances of the composite. The FSP process was conducted at different tool pass numbers (1-P, 2-P, and 4-P) and a constant tool rotational (900 rpm) and travel (85 mm/min) speeds. To...

article

Tribological Behavior of Electrical Connector Sn/Ni/Cu Coating with Intermetallic Compound Layers Under Reciprocating Motion

Na Tyrer, Gary C. Barber, Fan Yang, Bo Pang, more

Advanced Engineering Materials > 24 > 9 > n/a - n/a

Electroplating is one of the most common methods for applying electronic connector coatings. This research investigated the tribological behavior of electroplated multilayer coatings of Sn, Ni, and Cu with and without intermetallic compound layers (IMC), which are intermediate compounds formed between two metals under reciprocating sliding. It is found that heat treatment promotes both Sn/Ni IMC...

article

Study on microstructure and tribological properties of hierarchical 3D braid applicable in heavy operating tribology conditions

Saeed Reza Zahabi, Mohammad Sheikhzadeh, Saleh Akbarzadeh, Addie Bahi, more

Polymer Composites > 43 > 5 > 3290 - 3312

The phenomenon of wear and friction in a variety of environments, including dry, seawater, and high temperatures, has always been a source of contention. Designing and fabricating parts that can function optimally in these conditions, such as self‐lubricating composites, is helpful. This work investigated the tribological and thermal properties of a three‐dimensional braid composite consisting of...

article

Tribological and surface morphological characteristics of titanium alloys: a review

Munish Kumar Gupta, Hamza El Etri, Mehmet Erdi Korkmaz, Nimel Sworna Ross, more

Archives of Civil and Mechanical Engineering > 2022 > Vol. 22, no. 2 > art. no. e72, 1--23

Being easily fabricated, welded, biocompatible, having a high strength-to-weight ratio, withstanding comparatively high temperatures up to 800°C and low modulus of elasticity make grade titanium and its alloys an important choice for automotive, biomedical and aerospace industries. In contempt of the different pleasant assets of Ti-6Al-4V alloy, the operation of this alloy is restricted especially...

article

Fiber orientation dependence of tribological behavior of short carbon fiber reinforced ceramic matrix composites

Wei Zhou, Matthias Meiser, Felix Wich, Tom Liensdorf, more

Journal of the American Ceramic Society > 105 > 1 > 538 - 552

Carbon fibers as key component in short carbon fiber reinforced ceramic matrix composites (CMCs) have obvious influence on their tribological behavior. In this work, we creatively design CMCs with five different fiber orientations, namely, randomly oriented fibers, fibers oriented parallel to the friction surface and angled at 0°, 45°, and 90° toward the sliding direction, and standing fibers that...

article

Corrosion and Wear Study of Ni–W–B/WC Composite Coatings Electroplated by Pulse Plating

Somayeh Ahmadiyeh, Ali Rasooli, Mir Ghasem Hosseini

Advanced Engineering Materials > 22 > 11 > n/a - n/a

Herein, the effect of WC content (ranging from 0 to 12 g L⁻¹ in the bath) is studied on the corrosion and wear properties of the Ni–W–B/WC pulse‐plated composite coatings. Results display that at the first step, increasing WC concentrations in the bath (up to 4 g L⁻¹) increases WC content in the coating. However, further addition of WC particles decreases WC content in the coating because of the...

article

Ultrasonic‐assisted exfoliation for 2D Zn(Bim)(OAc) nanosheets used as an oil‐soluble additive in lubricants

Fei‐Fei Wang, Zan Liu, Zhi‐Lin Cheng

Applied Organometallic Chemistry > 34 > 11 > n/a - n/a

The interface issue of two‐dimensional (2D) nanomaterials has seriously restricted their applications in the past. To date, there have been few reports on the friction behavior of 2D MOFs. Herein, 2D Zn(Bim)(OAc) metal–organic framework structure nanosheets with a thickness of ca. 4 nm were successfully prepared via convenient ultrasonic‐assisted exfoliation in solvents. For the first time, we probed...

article

Adaptations for Wear Resistance and Damage Resilience: Micromechanics of Spider Cuticular “Tools”

Maryam Tadayon, Osnat Younes‐Metzler, Yaniv Shelef, Paul Zaslansky, more

Advanced Functional Materials > 30 > 32 > n/a - n/a

In the absence of minerals as stiffening agents, insects and spiders often use metal‐ion cross‐linking of protein matrices in their fully organic load‐bearing “tools.” In this comparative study, the hierarchical fiber architecture, elemental distribution, and the micromechanical properties of the manganese‐ and calcium‐rich cuticle of the claws of the spider Cupiennius salei, and the Zn‐rich cuticle...

article

The unusual tribological behavior of diamond‐like carbon films under high vacuum

Renhui Zhang, Mingxue Shen, Zhongyi He

Surface and Interface Analysis > 52 > 6 > 339 - 347

We fabricate F‐doped and F‐S‐codoped diamond‐like carbon (DLC) films using plasma‐enhanced chemical vapor deposition system. The hardness, Raman spectra, and high‐vacuum tribological behaviors indicate that the films are DLC films. The hardness is close related to the tribological properties of DLC films under high vacuum. The high hardness of DLC films would be helpful for obtaining the long lifetime...

article

Tribological behavior of Cu-15Ni-8Sn/graphite under sea water, distilled water and dry-sliding conditions

Yan Wang, Lei Zhang, Hong-fei Zhai, Hong-xia Gao, more

Journal of Central South University > 2019 > 26 > 10 > 2623-2633

The tribological behaviors of Cu-15Ni-8Sn/graphite composites with the graphite content of 38 vol.% against AISI321 stainless steel under dry-sliding, deionized water and sea water were investigated on a block-on-ring configuration. The results indicated that the friction coefficient was the lowest under dry-sliding, and the highest in deionized water. The wear rate decreased to reach the minimum...

article

Enhancement in the tribological properties of Cr/DLC multilayers in methane: structural transformation induced by sliding

Lin Chen, Kun Liu, Xubing Wei, Zhibin Lu, more

SN Applied Sciences > 2019 > 1 > 11 > 1-10

Diamond-like carbon (DLC) films respond as a lubricating material under some atmosphere conditions, such as N₂, moisture. Nevertheless, incomplete knowledge about the key factors, which control the performances of film under distinct gases, limits the further use of them. Herein, the tribological properties of DLC film and Cr/DLC multilayers with different modulation periods were studied under methane...

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Optimized machine learning with hyperparameter tuning and response surface methodology for predicting tribological performance in bio‐composite materials

Mechanical and Tribological Properties of Hybrid and Monolithic Reinforced Hypoeutectic Al–Si Matrix Composites

Effect of grain size on tribological behavior of hot‐pressed boron carbide sliding against alumina balls

Tribological and morphological properties of bentonite nano‐clay/CaCO₃ reinforced high‐density polyethylene nanocomposites

Effects of Humidity on Tribological Properties of 8YSZ/C Coating Designed by the Combination of Thermal Spraying and Hydrothermal Reaction

Additive Manufacturing of Polymer‐Based Lubrication

Friction and wear performances of Si₃N₄ ceramic matrix composites: A review from the perspectives of doped phase, layered structure design, and laser surface texturing

Optimization of dry sliding wear behaviour of industrial wastes reinforced aluminium based metal matrix composites

Tribological behavior and wear mechanism of C/C–SiC brake discs based on third‐body layer

Enhancement of mechanical properties and wear of AA5083/316 stainless steel surface-composite developed through multi-pass friction stir processing (MPFSP)

Tribological Behavior of Electrical Connector Sn/Ni/Cu Coating with Intermetallic Compound Layers Under Reciprocating Motion

Study on microstructure and tribological properties of hierarchical 3D braid applicable in heavy operating tribology conditions

Tribological and surface morphological characteristics of titanium alloys: a review

Fiber orientation dependence of tribological behavior of short carbon fiber reinforced ceramic matrix composites

Corrosion and Wear Study of Ni–W–B/WC Composite Coatings Electroplated by Pulse Plating

Ultrasonic‐assisted exfoliation for 2D Zn(Bim)(OAc) nanosheets used as an oil‐soluble additive in lubricants

Adaptations for Wear Resistance and Damage Resilience: Micromechanics of Spider Cuticular “Tools”

The unusual tribological behavior of diamond‐like carbon films under high vacuum

Tribological behavior of Cu-15Ni-8Sn/graphite under sea water, distilled water and dry-sliding conditions

Enhancement in the tribological properties of Cr/DLC multilayers in methane: structural transformation induced by sliding

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