Comparison of friction and wear performances of brake material dry sliding against two aluminum matrix composites reinforced with different SiC particles

Zhang, Shaoyang; Wang, Fuping

doi:10.1016/j.jmatprotec.2006.07.018

Cited by 93 publications

(34 citation statements)

References 16 publications

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“…The average friction coefficient decreased with increasing applied load (Figure 9e). This result is in agreement with the results achieved by Onat [7] and Zhang and Wang [34]. Weight loss increases with increasing applied load as shown in Figure 9f.…”

Section: Influence Of Applied Load On Tribological Behavior Of the Rhsupporting

confidence: 92%

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Tribological Behavior of Nano-Sized SiCp/7075 Composite Parts Formed by Semisolid Processing

Jiang

Xiao²,

Wang³

et al. 2018

Metals

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Abstract:The tribological behavior of the rheoformed and thixoformed nano-sized SiC p /7075 composite parts is investigated. The semisolid stirring temperature has a little influence on the friction coefficient and wear resistance of the rheoformed composite parts. As for the thixoformed composite parts, the average value of the steady-state coefficient of friction increases firstly and then decreases with increasing reheating temperature. Higher wear resistance is achieved at a reheating temperature of 580 • C. The average value of the steady-state friction coefficient of the rheoformed composite parts varies from 0.37 to 0.45 upon applied loads of from 20 to 50 N. Weight loss increases slightly upon an increase of applied load from 20 to 40 N. An applied load of 50 N leads to a significant increase of the weight loss. The wear rate decreases firstly and then increases with increasing applied load. As for the thixoformed composite part, the average value of the steady-state friction coefficient and the weight loss decreased with an increasing applied load. However, the wear rate decreases firstly with increasing applied load and then increases. As for the rheoformed composite part, the average value of the steady-state friction coefficient decreases firstly and then increases a little with increasing sliding velocity. Weight loss and wear rate show a first increase and a followed decrease with increasing sliding velocity. As for the thixoformed composite part, the average value of the steady-state friction coefficient shows a decrease with increasing sliding velocity. Weight loss and wear rate exhibit, at first, an increase, and then a decrease with increasing sliding velocity. The average friction coefficient varies from 0.4 to 0.44 with increasing volume fraction of SiC. Weight loss and wear rate decrease with increasing volume fraction of SiC. An increase in dislocation density around the nano-sized SiC particles and the mismatch of the coefficient of thermal expansion (CTE) between 7075 matrix and nano-sized SiC particles during solidification improve the wear resistance of the composite. The dominant wear mechanisms of the rheoformed and thixoformed composite parts are adhesive wear, abrasive wear and delamination wear.

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Section: Influence Of Applied Load On Tribological Behavior Of the Rhsupporting

confidence: 92%

“…in which W is the wear volume (mm 3 ), FN is the applied load (N), and S is the sliding distance (m), as reported by Zhang and Wang [34]. Wear rate is determined according to the data of weight loss ( Figure 2g).…”

Section: Influence Of Semisolid Stirring Temperature On Tribological mentioning

confidence: 99%

Tribological Behavior of Nano-Sized SiCp/7075 Composite Parts Formed by Semisolid Processing

Jiang

Xiao²,

Wang³

et al. 2018

Metals

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“…It has been reported that the coefficient of friction of MMCs decreases by increasing the normal load as shown in Fig. 8.24b [14,18,28,57,84,95]. As an example, the tribological behavior of nickel matrix composites reinforced by graphite illustrates that the friction coefficient of the composites containing graphite decreases to about 0.3 by increasing the normal load [100].…”

Section: Normal Loadmentioning

confidence: 95%

“…The mechanical and tribological properties of MMCs, such as hardness [79], ultimate tensile strength (UTS) [80], ductility [81], toughness [82], wear resistance [83], and coefficient of friction [84] depend strongly on the size of the reinforcement particles. The reinforcement which can affect the wear resistance of MMCs is an important parameter provided that a good interfacial bonding between the reinforcement and the matrix occurs.…”

Section: Particle Sizementioning

confidence: 99%

Tribology of Metal Matrix Composites

Rohatgi

Tabandeh-Khorshid

Omrani

et al. 2013

Tribology for Scientists and Engineers

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Metal matrix composites (MMCs) are an important class of engineering materials that are increasingly replacing a number of conventional materials in the automotive, aerospace, marine, and sports industries due to their lightweight and superior mechanical properties. In MMCs, nonmetallic materials are embedded into the metals or the alloys as reinforcements to obtain a novel material with attractive engineering properties, such as improved ultimate tensile strength, ductility, toughness, and tribological behavior. In this chapter, an attempt has been made to summarize the tribological performance of various MMCs as a function of several relevant parameters. These parameters include material parameters (size, shape, volume fraction, and type of the reinforcements), mechanical parameters (normal load and sliding speed), and physical parameters (temperature and the environment). In general, it was shown that the wear resistance and friction coefficient of MMCs are improved by increasing the volume fraction of the reinforcements. As the normal load and sliding speed increase, the wear rate of the composites increases and the friction coefficient of the composites decreases. The wear rate and friction coefficient decrease with increasing temperature up to a critical temperature, and thereafter both wear rate and friction coefficient increase with increasing temperature. The nano-composites showed best friction and wear performance when compared to micro-composites.

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“…Kwok and Lim [18] have concluded for Al/SiC composites that wear rate increases with increasing load but coefficient of friction varies monotonically with the process parameters. Zhang and Wang [19] have investigated the Al/SiC metal matrix composite and found that coefficient of friction decreases with the increase of load and speed. Ma et al [20] have compared the wear behavior of two Al/SiC metal matrix composites and shown that sliding wear resistance increases as SiC particle volume fraction increases.…”

Section: Introductionmentioning

confidence: 99%

Tribological Behavior of Al-SiC Metal Matrix Composite in Acidic Medium

Pradhan

Barman

Sahoo

et al. 2016

IJET

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Abstract. In this present paper, the friction and wear performances of Al-SiC metal matrix composite (MMC) for varying operating parameters (applied load and sliding speed) have been studied under acidic environment. The composite material is developed by reinforcing SiC particle (5 wt. %) with aluminum alloy (LM6) using stir casting method. The tribological behavior is performed using a friction and wear monitor under sulphuric acid environment where sliding time is kept constant for 30 minutes. It is found that wear is directly proportional to the applied normal load and sliding speed. Coefficient of friction value decreases with increase in load but remains almost constant with variation of sliding speed. The surface morphology is studied with the help of scanning electron microscopy (SEM) and energy dispersed X-ray (EDX) analysis.

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Comparison of friction and wear performances of brake material dry sliding against two aluminum matrix composites reinforced with different SiC particles

Cited by 93 publications

References 16 publications

Tribological Behavior of Nano-Sized SiCp/7075 Composite Parts Formed by Semisolid Processing

Tribological Behavior of Nano-Sized SiCp/7075 Composite Parts Formed by Semisolid Processing

Tribology of Metal Matrix Composites

Tribological Behavior of Al-SiC Metal Matrix Composite in Acidic Medium

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