The size effect of zircon particles on the friction characteristics of brake lining materials

Cho, K.H.; Jang, Hae‐Dong; Hong, Yaoqin; Kim, S.J.; Basch, Rena; Fash, James W.

doi:10.1016/j.wear.2007.03.018

Cited by 91 publications

(66 citation statements)

References 19 publications

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“…In the case of a brake friction material, the mode of abrasion is determined by the particle size, and in the case of zircon, larger particles tend to adhere longer on the rubbing surface and provide superior friction stability [22]. On the other hand, large abrasive particles are unfavorable for the wear resistance of the counter disc, which can cause brake roughness and premature disc replacement due to excessive wear.…”

Section: Introductionmentioning

confidence: 99%

Morphology and Toughness of Abrasive Particles and Their Effects on the Friction and Wear of Friction Materials: A Case Study with Zircon and Quartz

et al. 2009

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This study examined the friction and wear of brake friction materials containing two different abrasives: zircon and quartz. Commercial grade abrasives with two different sizes (fine and coarse) were compared in terms of the effects of the size, shape, and toughness of the abrasive particles on the friction and wear of the friction material and counter discs. The results showed that the morphology of the abrasives has a considerable effect on the friction effectiveness and wear of the friction couple. The level of friction was higher in the case of using quartz than zircon, and smaller particles were more effective in increasing the coefficient of friction. The toughness of the abrasives also played important roles in determining the friction effectiveness. Improved heat resistance at elevated temperatures was achieved when coarse zircon was used. The wear of the friction material was also dependent on the morphology and toughness of the abrasives and the large abrasive particles produced more wear on the gray iron disc.

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Section: Introductionmentioning

confidence: 99%

Morphology and Toughness of Abrasive Particles and Their Effects on the Friction and Wear of Friction Materials: A Case Study with Zircon and Quartz

et al. 2009

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“…The larger size micro voids are observed in the increase of steel fibre particles after the friction test. This is due to the loosening of the metallic particles during the friction and it indicates that metal-component coherent surface is larger, friction and wear will be increased [27]. Figure 7 shows the EDS analysis result taken from the black areas of the RF8 SF12 specimen while figure 8 shows the EDS analysis result taken from white areas of the same specimen.…”

Section: Microstructural Characteristicsmentioning

confidence: 99%

Effect of Rockwool and Steel fiber on the Friction Performance of Brake Lining Materials

Bernard

Jayakumari

2016

Matéria (Rio J.)

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Wear resistance and Frictional stability are key performance requirements for brake lining. Automotive brake linings are usually made of various ingredients such as binder, filler, friction modifiers and reinforcement. Rockwool is a mineral fiber and steel fiber is a metallic fiber. In this work reinforcement fibers used are both the mineral and metallic fibers with six different composition prepared and tested. The result shows that metallic fibers should be high compared to mineral fiber for best frictional performance and wear resistance. Friction-wear properties of the reinforced samples were investigated on the cast iron disc as a counterpart using a pin on disc wear tester. The investigation confirmed that the sample with increase in steel fiber (4%, 8% and 12%) improves the wear resistance. On the other hand specimen with high content of Rockwool fiber forms an improper ratio among the other ingredients. The SEM images of the sample indicated that an increase in steel fiber higher than 12% content resulted in adhesive wear.Analysis of the experimental result shows that the sample with 12% steel fiber and 8% Rockwool fiber exhibited the optimum friction-wear behavior. Finally the effect of environment on the composites was investigated in water, salt water and oil.

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“…where, A is the average cross area in cm 2 , A 0 is the initial cross area in cm 2 . Principal stress difference is σ 1 -σ 3 =CR/A*10=CR(1-ε) *10 (3) where, σ 1 and σ 3 is the first and third principal stress in kPa, C is the calibration coefficient in N/0.01mm and R is the indication of dynamometer in 0.01mm.…”

Section: Recording Procedures Of Trialsmentioning

confidence: 99%

“…For example, Cho et al investigated the effect of four different zircon particle sizes on the friction characteristics of brake lining materials, the results showed that the size of the zircon particles played a significant role in the formation of friction film, which was closely related to the friction performance. The lining material with coarse zircon particles generated a stable friction film on the lining surface, which provided excellent friction stability with less lining wear [2] . Schöpfer et al uses the discrete element method to study the dependence of elasticity, strength and friction angle on porosity and crack density, with performance of a series of triaxial extension and compression test, DEM model results demonstrate that the friction angle decreases (almost) linearly with increasing porosity, and is independent of particle size distribution [3] .…”

Section: Introductionmentioning

confidence: 99%

Analysis of Internal Fraction Property of Corn Stalk Powder under Triaxial Compression Test

Bai¹,

Huang²,

Zhao³

et al. 2012

Proceedings of the 2nd International Conference on Electronic and Mechanical Engineering and Information Technology (2012)

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Abstract. Corn stalk powder was densified to investigate its internal fraction property using triaxial apparatus in this paper, with the experimental method of quadric regressive orthogonal and central composite design, factors of water content, loading speed and bulk density (which is acquired by changing sample weight due to same volume) were selected to test internal friction coefficient. The mathematic model acquired is help to optimize processing technology as well as predict the corn stalk powder product quality.

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The size effect of zircon particles on the friction characteristics of brake lining materials

Cited by 91 publications

References 19 publications

Morphology and Toughness of Abrasive Particles and Their Effects on the Friction and Wear of Friction Materials: A Case Study with Zircon and Quartz

Morphology and Toughness of Abrasive Particles and Their Effects on the Friction and Wear of Friction Materials: A Case Study with Zircon and Quartz

Effect of Rockwool and Steel fiber on the Friction Performance of Brake Lining Materials

Analysis of Internal Fraction Property of Corn Stalk Powder under Triaxial Compression Test

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