Usage of powder pinus brutia cone and colemanite combination in brake friction composites as friction modifier

Jeganmohan, Sudhanraj; Sugözü, Banu

doi:10.1016/j.matpr.2019.09.070

Cited by 16 publications

(17 citation statements)

References 15 publications

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“…In studies in the literature on brake friction materials, materials such as phenolic resin (Wei et al , 2021), banana peel and banana tree bark (Sugözü and Sugözü, 2020) have been used as binders. Glass fiber (Mahale et al , 2019), steel fiber (Jeganmohan and Sugozu, 2020), basalt fiber (Aras and Tarakçıoğlu, 2021) and fibrous vegetable products (Liu et al , 2019) are used as reinforcing agents. Mineral or vegetable materials such as alumina (Sugözü et al , 2018), and cashew powder (Lertwassana et al , 2019) were used as friction modifiers.…”

Section: Introductionmentioning

confidence: 99%

Friction and wear characteristics of brake friction materials obtained from fiber and huntite blends

Yavuz

Bayrakçeken

2022

ILT

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Purpose The purpose of this paper, brake friction material samples with six different contents were produced using three different fiber types consisting of variable proportions of huntite mineral and basalt, glass and steel fibers. The friction properties and formation of the transfer film in these friction materials were investigated. Design/methodology/approach Friction materials were produced using a hot molding method from materials containing 10%–15% huntite in varying proportions, consisting of basalt, glass and steel fibers. The densities and hardness values of the samples were measured. Friction tests were performed using a brake pad friction material tester to determine tribological properties. After the friction tests, microscopic examination of the sample surfaces was performed using scanning electron microscope (SEM) and three-dimensional (3D) surface profilometer devices. Findings Huntite mineral content and fiber type affected the friction coefficient. With an increase in the amount of huntite, the friction coefficient increased in the friction material samples formed with glass and steel fibers. The fiber type and amount of huntite also affected the transfer film formation. The surface roughness values of all the friction materials decreased with an increase in the amount of huntite. The surface roughness values of the samples with glass fibers were higher than those of other samples. Originality/value The importance of using huntite minerals and different fiber types in automotive brake friction materials is emphasized. This will help industrial companies and academics study the tribological properties of friction materials.

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Section: Introductionmentioning

confidence: 99%

Friction and wear characteristics of brake friction materials obtained from fiber and huntite blends

Yavuz

Bayrakçeken

2022

ILT

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“…The friction layer formation depends on the thermal state of the interface during braking. Fibrous materials, organic components and lubricants used in the lining content play an important role in the formation of the transfer layer at the friction interface [29].…”

Section: Resultsmentioning

confidence: 99%

Investigation of The Effect of Solid Lubricant Particle Sizes on Friction and Wear Properties in Friction Composites: An Experimental Case Study with Graphite

Sugözü

2021

International Journal of Automotive Science and Technology

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Friction composites consist of many materials with various properties. Solid lubricant is one of these materials. The task of the solid lubricant in the compo-site is to protect the counter surfaces against wear and to reduce noise and vibra-tion. Typical solid lubricants used in the friction composite are graphite, antimo-ny trisulfide, molybdenum disulfide, copper sulfide, etc. The selection suitable solid lubricants for better braking performance is an important issue, as solid lubricants may decompose at high temperatures, leading to undesirable results. The particle size of the solid lubricant used is at least as important as itself. In this study, the effect of micro and nanoparticle-sized graphite on friction and wear behavior of friction composites was investigated experimentally. Two brake lining were prepared containing 10 wt.% nanographite and micrographite, were produced by powder metallurgy technique. The brake lining samples have been tested under Friction Assessment and Screening Test (FAST). The frictional and physical properties of the produced samples were determined by appropriate tests. According to the test results obtained, micro and nanoparticle size were compared in many respects and the most ideal size was determined for graphite.

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“…Physical and frictional characteristics of composites containing Pinus brutia cone dust and colemanite indicated they can be promising green constituents [182].…”

Section: Friction Modifiermentioning

confidence: 99%

Ecological Transition in the Field of Brake Pad Manufacturing: An Overview of the Potential Green Constituents

Confiengo

Faga

2022

Sustainability

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Nowadays, the drive for green products has undergone a rapid increase following the global ecoawareness and the severe regulations aimed at preventing the environment from further damage. The use of ecosafe constituents in materials for harsh applications, such as brake pad systems, can be a possible solution for reducing health hazards arising from particle release during braking. Based on this, the present study provides a bibliographic review of green alternative constituents for friction material formulation, focusing the attention on their influence on the tribological properties of the final composites. The traditional materials still used in commercial brake pads are shortly described, with the aim to provide an overview of the current situation. In the final part of the review, following the trend of circular economy, works dealing with the use of waste as an ingredient of friction materials are also reported. The whole literature screening points out that much work is still required to obtain completely green friction materials. Indeed, few works dealing with the phenolic resin replacement, proposing inorganic ecosafe materials such as geopolymers, are present. On the contrary, the use of natural fibers is widely investigated: palm kernel, flax, agave and aloe can be identified as promising constituents based on the literature results and the generated patents.

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Usage of powder pinus brutia cone and colemanite combination in brake friction composites as friction modifier

Cited by 16 publications

References 15 publications

Friction and wear characteristics of brake friction materials obtained from fiber and huntite blends

Friction and wear characteristics of brake friction materials obtained from fiber and huntite blends

Investigation of The Effect of Solid Lubricant Particle Sizes on Friction and Wear Properties in Friction Composites: An Experimental Case Study with Graphite

Ecological Transition in the Field of Brake Pad Manufacturing: An Overview of the Potential Green Constituents

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