...Daosheng Wen; Hechao Lai; Zhen Gong; Yuhang Wang; Beibei Kong; Ziqiang Yin; Zhen Xiao; Shouren Wang; Yanlan Sun; Minghao Zhang Purpose This study aims to reveal the effect of heat treatment ( HT ) on the microstructure and wear behavior of 9Cr5Mo steel was investigated. Design/methodology...

... is the outcome of lower ω/V ratio (Simar et al., 2008). Wear Aluminum Microstructure Magnesium Friction stir processing Surface composites Corresponding author Ravikumar Dumpala ravikumardumpala@mec.vnit.ac.in 30 04 2025 23 07 2025 18 08 2025 © 2025 Emerald...

...Pengwei Wang; Yanhou Liu; Zhihui Zhang; Fanming Guo; Jinguo Han; Juan Ma; Guiguan Zhang; Xianrui Zhao Purpose The aim of this study is to investigate the effects of the laser cladding process on the microstructure, hardness and corrosion resistance properties of high-entropy alloys (HEA...

... Emerald Publishing Limited Licensed re-use rights only Selective laser melting Laser energy densities Microstructure Fretting wear TC4 titanium alloy is a (α + β) type titanium alloy with the chemical composition of Ti-6Al-4V(TC4), which has the advantages of low density...

... using a KD-2260 microtome in cross, tangential and radial directions. Due to the high hardness of Lignum vitae, which prevented complete slicing of its sections, a blade was used to cut the surface of the block flat, and the whole block was then observed. The microstructure characteristics...

... the compressor head cylinder by high-pressure casting for easy casting and superior properties. Therefore, 1.1%, 2.4% and 3.1% Mg were added to AlSi12. The microstructures of the produced samples were characterized by optical microscope, scanning electron microscopy, energy dispersive spectrometry and X-ray...

... was conducted by different cooling modes. Bare Babbitt was marked by Babbitt-0, Babbitt modified by first cooling mode (marked by Babbitt-1) and Babbitt modified by second cooling mode (marked by Babbitt-2). The microstructure and microhardness of specimens were tested. Then, tribological properties of Babbitt...

... 2020 03 01 2021 18 02 2021 21 03 2021 22 03 2021 22 03 2021 © Emerald Publishing Limited 2021 Emerald Publishing Limited Licensed re-use rights only SEM Roughness Microstructure Anti-wear and friction-reducing Dry sliding tests Friction noise...

... to solve the slippage fracture of the coating due to silver (Ag) accumulation (Ag powders were cold welded with nickel [Ni] powders by MM in advance to avoid accumulation, then Al powder and samples were added to fabricate the coating). Findings Microstructure analysis reveals that the solid lubricant...

... emission electron microscope (FESEM). The subsurface microstructures of the worn surfaces were gained by the following steps. First, the samples were cut to a residual thickness of about 1-2 mm behind the wear scars, and then these were cooled in liquid nitrogen for 15 min. Finally, the samples were broken...

...Biao Zhao; Wenfeng Ding; Weijie Kuang; Yucan Fu Purpose This paper aims to evaluate the influence of molybdenum disulfide (MoS₂) concentrations (5, 7.5, 10, 12.5 and 15 Wt.%) on the microstructure and tribological property of the self-lubrication cubic boron nitride (CBN) abrasive...

.../approach The three body collisional wear behavior of Co alloy with WC and TiC at three impact energy was studied from 1 to 3 J. Meanwhile, the microstructure, hardness, phase transformation and wear behavior of these specimens were investigated by scanning electron microscopy, Rockwell hardness (HRV), EDS...

...Zhentao Yuan; Yehua Jiang; Lu Li; Zulai Li Purpose The purpose of this paper is to study the microstructure and the high-temperature tribology behavior of a high-speed steel (HSS) roller material with boron as the main alloy element under different heat treatments, aiming to provide some...

... trend of TMC as the experimental results, indicating that the prediction formula can forecast the wear rate and working condition of TMC. Moreover, the microstructures of friction layer and worn surface also have a strong impact on the prediction formulas. Originality/value The prediction formulas...

.../approach Samples were prepared from plates hard faced with various filler metals. Samples were then subjected to experimental testing – testing of tribological properties and hardness and microstructure. Testing was done in conditions similar to real ones – with a sliding speed of 0.25, 0.5 and 1 m/s...

...BM Viswanatha; M Prasanna Kumar; S Basavarajappa; TS Kiran Purpose – This paper aims to investigate the microstructure, hardness and tribological properties of hypoeutectic (Al-7Si) matrix reinforced with fixed quantities of 3 Wt.% graphite (Gr) and x Wt.% SiCp (x = 3, 6 and 9) hybrid composites...

...B. S. Yilbas; I.-H. Toor; F. Patel; Y. Al-Shehri; M. A. Baig Purpose – The purpose of this paper is to investigate the corrosion resistance of high velocity oxy-fuel (HVOF)-sprayed Diamalloy 2002 coating on carbon steel. The coating microstructure is examined in line with the corrosion resistance...

... in forging operations. Joseph S. Ajiboye is the corresponding author and can be contacted at: joesehinde@yahoo.com © Emerald Group Publishing Limited 2014 Viscosity Hardness Microstructure Aluminum Lubricants Forging Yield ECAE Ductility UTS Processes with severe plastic...

...% copper additions were prepared and microstructure, micro hardness and mechanical properties investigated. Then the roller burnishing mechanism was applied on Al‐Cu alloys on cylindrical work pieces, different conditions were used, and the results were obtained and discussed. Findings The best...

... tools Kinematics Friction Surface‐roughness measurement Honing Diesel engine Productivity Microgeometry Microstructure The process of metalworking by honing of cylinder hole surfaces is closely associated with the motor industry progress. Modern engine parts demand a high surface quality...