High frictional stability of braking material reinforced by Basalt fibers

Yu, Kun; Shang, Xi; Zhao, Xiaoguang; Fu, Liangjie; Zuo, Xiaochao; Yang, Huaming

doi:10.1016/j.triboint.2022.108048

Cited by 22 publications

(13 citation statements)

References 45 publications

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“…The composition of BF-reinforced resin-based friction material formula is shown in Table 1, with S01–04 as the experimental group. According to relevant research, (He et al , 2020; Kun et al , 2023; Li et al , 2022; Zhao et al , 2020), the content of BF gradually increases from 10% to 16%. S0 is the comparative group; BF is not added.…”

Section: Materials and Experimentsmentioning

confidence: 99%

“…Li et al (2022) found that the thermal stability of phenolic resin reinforced by acid treated basalt flakes was significantly improved, The impact strength also reached 153% of the original phenolic resin. Kun et al (2023) found that the use of BF can improve friction stability while also improving the heat resistance of friction materials and limiting the friction fluctuation range to 0.040–0.110. However, there is a lack of explanation for the thermal degradation resistance of BF-reinforced materials.…”

Section: Introductionmentioning

confidence: 99%

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Study on the thermal decay mechanism of basalt fiber reinforced resin based friction materials

Fang,

Xiao,

Chen

et al. 2023

ILT

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Purpose Resin-based friction materials are the most widely used key materials in industry for braking and transmission. However, the friction coefficient of resin-based friction materials significantly decreases at temperatures above 300°C, which reduces their friction performance. Design/methodology/approach This study combines elevated-temperature mechanical experiments with friction and wear experiments to explain the thermal degradation resistance performance and temperature recovery performance of resin-based friction materials. It also investigates the influence of friction material strength and worn morphology on the friction coefficient of materials at elevated temperature. Findings The experimental results show that the increase in friction coefficient of friction materials below 300°C is mainly due to the increase in worn morphology characterization parameters, and the thermal degradation phenomenon above 300°C is mainly due to the decrease of shear strength of friction film. Basalt fiber can significantly improve the thermal degradation resistance of friction materials. The friction coefficient of basalt fiber-reinforced specimens after thermal degradation reaches 0.421–0.443, which is 19–25% higher than the original. The thermal decay rate is 9.03–11.0%, which is 7.9–9.87% lower than the original. Moreover, the friction coefficient has good cooling recovery performance. Originality/value Revealed the thermal degradation mechanism of resin-based friction materials, verified that basalt fibers can improve the thermal degradation resistance of friction materials and provided reference for the development of new friction materials.

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Section: Materials and Experimentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study on the thermal decay mechanism of basalt fiber reinforced resin based friction materials

Fang,

Xiao,

Chen

et al. 2023

ILT

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“…8 As an increasing attention is being paid to environment protection worldwide, asbestos fibers were banned for many years resulted from the great harm to the environment and human body, organic, metallic, ceramic and natural fibers have become a promising substitute for friction materials, such as rock fibers, glass fibers and steel fibers. [9][10][11][12][13] A large amount of research showed that whiskers can effectively enhance the performance of the composites. 14,15 Therefore, it is very crucial to develop novel and appropriate whisker reinforcement for polymer composites.…”

Section: Introductionmentioning

confidence: 99%

“…The materials presented in the composites play a crucial role in stabilizing friction and minimizing wear under various dynamic operating conditions 8 . As an increasing attention is being paid to environment protection worldwide, asbestos fibers were banned for many years resulted from the great harm to the environment and human body, organic, metallic, ceramic and natural fibers have become a promising substitute for friction materials, such as rock fibers, glass fibers and steel fibers 9–13 . A large amount of research showed that whiskers can effectively enhance the performance of the composites 14,15 .…”

Section: Introductionmentioning

confidence: 99%

Shape‐controllable synthesis of mullite whisker and its effect on tribological behavior of resin‐based friction materials

Ji,

Wang,

Luo

et al. 2024

Polymer Composites

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The development and design of fillers aid in improving the tribological performances of friction materials. Herein, the effects of the aspect ratio of mullite whisker on the tribological properties were studied. Mullite whiskers were prepared by the sol–gel process and the aspect ratio of the whisker was controlled by introducing aluminum fluoride (AlF3). The aspect ratio increased significantly at first and then decreased with increasing the contents of AlF3. The experimental results show that higher aspect ratio whiskers stabilized the friction coefficient while increased the wear rate. In addition, the composite with mullite whisker grown in excessive AlF3 (20%) resulted in a higher friction coefficient compared to adding inadequate AlF3 (10%). The Scanning Electron Microscope (SEM) and Energy Dispersive X‐Ray Spectroscopy (EDX) results indicated that higher aspect ratio of whisker was more likely to fall off from matrix which sequentially being compacted and formed contact plateaus during the friction process. In conclusion, it was found that abrasive wear and adhesive wear were the dominant wear mechanism.Highlights The aspect ratio of mullite whisker was controlled within the range of 6 ~ 21. The tribological properties of whiskers reinforced composites were studied. The morphology of the mullite whisker affects the friction stability. The flaky mullite whisker can improve wear resistance of the composites.

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“…With the development of the transportation and mechanical industry, the requirements for brake friction materials to ensure driving safety have gradually increased in recent years [ 5 , 6 , 7 ]. The friction coefficient shows the performance of a friction material in performing braking functions, and is a key performance indicator of friction materials [ 4 , 8 ]. Sun et al [ 9 ] found that the friction coefficient decreases as the content of resin matrix binder increases, which is due to the gradual decrease in strength of the frictional film, resulting in a decrease in adhesive friction.…”

Section: Introductionmentioning

confidence: 99%

Research on the Model for the Friction Coefficient of Resin-Based Friction Material and Its Experimental Verification

Fang

Xiao

Chen³

et al. 2023

Materials

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Resin-based friction materials have been widely used in the friction braking of automobiles and power machinery. Based on experiments for the variation law of friction and wear morphology, a new model for the friction coefficient of resin-based friction materials was proposed, which includes the effects of both the micro convex body on the surface of the friction material and the frictional film generated during the friction process. This quantitative model of friction coefficient materials was established for the modelling of shear strength, compressive strength, shear strength of the frictional film, contact load and wear morphology. The shear strength, compressive strength and wear morphology of the friction material were adjusted by changing the content of basalt fibers and flaky potassium magnesium titanate. Finally, the accuracy of this quantitative model of friction coefficient was verified through experiments on friction samples with different formulations and by changing the frictional contact load. The results show that the predicted friction coefficient of the model is in good agreement with the experimental friction coefficient, the difference between the upper and lower limits of the forecast is only 5.03% and 2.30%, respectively. Meanwhile, the influence of the ratio of shear strength to compressive strength on the friction coefficient is greater than the proportion of wear morphology. The proposed friction model provides a reference value for the study of new resin-based friction materials.

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High frictional stability of braking material reinforced by Basalt fibers

Cited by 22 publications

References 45 publications

Study on the thermal decay mechanism of basalt fiber reinforced resin based friction materials

Study on the thermal decay mechanism of basalt fiber reinforced resin based friction materials

Shape‐controllable synthesis of mullite whisker and its effect on tribological behavior of resin‐based friction materials

Research on the Model for the Friction Coefficient of Resin-Based Friction Material and Its Experimental Verification

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