Wear Modalities and Mechanisms of the Mining Non-asbestos Composite Brake Material

Bao, Jiusheng; Yin, Yajun; Zhu, Zhencai; Tong, Minman; Lu, Yuhao; Peng, Yuxing

doi:10.1007/s10443-012-9269-4

Cited by 12 publications

(12 citation statements)

References 9 publications

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“…The authors had carried out lots of tribological tests on the brake shoe used in mine hoisters in laboratory [14][15][16]. It had been found that when a single brake of mine hoister was simulated, the changing rules of the friction coefficient in each braking process were basically in accordance with the typical curve in Fig.…”

Section: Fc Phenomenon and Mechanismsmentioning

confidence: 92%

Characterization and experiments on the friction catastrophe behaviors of brake material during emergency braking

Bao

Liu

Yin

et al. 2015

Engineering Failure Analysis

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Section: Fc Phenomenon and Mechanismsmentioning

confidence: 92%

Characterization and experiments on the friction catastrophe behaviors of brake material during emergency braking

Bao

Liu

Yin

et al. 2015

Engineering Failure Analysis

Self Cite

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“…Commonly used brake pad materials are Woven Cotton, Woven and molded asbestos lining and Sintered metal pads etc. It is evident from the medical reports that continuous use of asbestos causes lung cancer and adverse respiratory problems in human beings due to these reasons in 1986, the Environmental Protection Agency (EPA) announced a ban on use of asbestos which resulted in a major shift away from the use of asbestos by most of the friction material suppliers and vehicle manufacturers [1,2,3].…”

Section: Literature Reviewmentioning

confidence: 99%

“…Bao et al, [3] developed non-asbestos mining brake friction material to evaluate the wear properties. Minimum wear rate was noticed at increased temperature.…”

Section: Literature Reviewmentioning

confidence: 99%

Mechanical Characteristics of CSP Filled Glass-Epoxy Composites

Mallesh¹,

Paramesha²,

G³

et al. 2019

IJRTE

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Composite materials are the combination of two or more materials which are different in form and chemical compositions. These are gradually gaining more importance as structural materials in the present day engineering design and development activity; this is because they offer very attractive physico-mechanical properties. Hence composite materials can be used in automobile brake, aircraft and marine components, wind turbine blades, heat insulators, sporting equipment etc., Brake is a very important part of an automobile which causes safe emergency stop with certain predetermined distance and it was made of asbestos and continuous use of asbestos leads carcinogenic and lung disorders due to these causes use of asbestos was banned during 1990’s. Hence attempts are made to develop new eco-friendly brake friction materials for automotive applications using Glass-Epoxy FRP composites filled with Coconut Shell Powder (CSP) to estimate mechanical characteristics.

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“…Aiming at the friction braking problem of mine hoist, Peng et al 11 investigated the disk brake temperature field variations during the braking process. In order to improve the braking safety of mine hoisters, Bao and colleagues [12][13][14][15] selected nonasbestos brake shoe of a mine hoister as the frictional material to investigate a frictional phenomenon called ''frictional catastrophe'' and its mechanisms, and the results show that the friction coefficient of the brake shoe falls suddenly during braking when the temperature is above 300°C. They also selected 16Mn steel and nonasbestos brake shoe as braking pairs and carried out experiments on a pad-on-disk friction tester to reveal their wear modalities and mechanisms.…”

Section: Introductionmentioning

confidence: 99%

Uneven distribution characteristics of contact force of large-sized non-asbestos brake pad

Meng

Wang

Qing

2018

Advances in Mechanical Engineering

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Large-sized non-asbestos brake pad is used in the brake system of mine hoister. During the braking process, uneven contact force distribution in the contact surface will occur, which accordingly leads to uneven wear and a shortened service life of the brake pad. To reveal contact force variation laws of large-sized brake pad during the braking process, using the software package ADINA, the braking process was simulated in this work. The results show that (1) the contact forces gradually present saddle-shaped distributions along the radial and tangent directions of the disk, and the temperature does not increase with the radius of the disk; (2) the contact forces increase with the nominal normal pressure, but not linearly, and nominal normal pressure should not be higher than 0.6 MPa when the initial speed is equal to 10 m/s; (3) both the contact forces and their increasing speed increase with the initial speed of the disk, but not linearly, and the initial speed should not be higher than 10 m/s when the nominal normal pressure is equal to 0.6 MPa. Correctness of the theoretical analysis was verified by brake experiments. Achievements of this work provide the theoretical basis for optimal design of the large-sized non-asbestos brake pad.

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Wear Modalities and Mechanisms of the Mining Non-asbestos Composite Brake Material

Cited by 12 publications

References 9 publications

Characterization and experiments on the friction catastrophe behaviors of brake material during emergency braking

Characterization and experiments on the friction catastrophe behaviors of brake material during emergency braking

Mechanical Characteristics of CSP Filled Glass-Epoxy Composites

Uneven distribution characteristics of contact force of large-sized non-asbestos brake pad

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