Effect of low cast-rolling speeds on the microstructure and mechanical properties of twin-roll casting high Mg AA5059 alloy sheets

Fu, Jinyu; Xu, Jiujian; Zhang, Jingyu; Xu, Guangming; Li, Yong; Wang, Zhaodong

doi:10.1016/j.jmrt.2022.05.078

Cited by 14 publications

(2 citation statements)

References 28 publications

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“…In the measurements of the coefficients of friction, a dynamometer that was capable of measuring load values of up to 500 ± 0.1 N in one axis was used. Three different load values of 10 N, 20 N, and 30 N, with three different sliding speed values of 5 mm/s, 10 mm/s, and 15 mm/s, were used as suggested by studies in the literature about the rolling process [30]. Experiments were carried out according to the full factorial experimental design and three replications were made for each experiment.…”

Section: Abrasive Wear Testsmentioning

confidence: 99%

“…After drying, the specimens were cleaned with acetone and dried with a hairdryer after cleaning. After all these processes, the DENSI brand HZY 320A model was weighed using a precision balance with a weighing sensitivity of 0.1 mg. Three different load values of 10 N, 20 N, and 30 N, with three different sliding speed values of 5 mm/s, 10 mm/s, and 15 mm/s, were used as suggested by studies in the literature about the rolling process [30]. Experiments were carried out according to the full factorial experimental design and three replications were made for each experiment.…”

Section: Abrasive Wear Testsmentioning

confidence: 99%

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Wear Behavior of Bronze vs. 100Cr6 Friction Pairs under Different Lubrication Conditions for Bearing Applications

Demirsöz

2022

Lubricants

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Damage due to a shortage or excess of or the pollution of lubricating oil is often cited as one of the most significant issues confronted by the rolling mill sectors. Lubrication can be provided by either central lubrication systems or individual lubrication systems. In this study, the wear characteristics of the mono-block rolling plain bearing material that is utilized in wire rod rolling mills were evaluated under conditions where the lubricating oil medium included either 2.5% of scale, 5% of scale, or no scale at all. In this experimental study, a unique ball-on-flat experimental setup similar to the one used in the ASTM G133-05 standards was used. Bronze was used as the bearing material and 100Cr6 roller-bearing steel was used as a steel ball of 6 mm in diameter. The experiments were carried out at room temperature, at three different sliding speeds of 5 mm/s, 10 mm/s, and 15 mm/s, and with three different loads of 10 N, 20 N, and 30 N. The wear mechanisms were analyzed visually and elementally using Scanning Electron Microscope (SEM) and Energy-Dispersive X-ray Spectroscopy (EDX) methods. An Analysis of Variance (ANOVA) and the Response Surface Method (RSM) were used to analyze the test results, such as volumetric material loss, the coefficient of friction, and the surface profile. In this study, which was carried out in a lubricant environment containing solid particles, the most effective parameter was the environmental parameter. The increase in the number of solid particles caused an increase in volume loss and friction coefficient.

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Section: Abrasive Wear Testsmentioning

confidence: 99%

Section: Abrasive Wear Testsmentioning

confidence: 99%