Metallurgical Aspects of Self-lubricating Composites Containing Graphite and MoS2

Furlan, Kaline P.; Gonçalves, Priscila da Costa; Consoni, Deise Rebelo; Dias, Matheus Vinícius Gouvêa; Lima, Gabriel Alves da Costa; Mello, José Daniel Biasoli de; Klein, Aloı́sio Nelmo

doi:10.1007/s11665-017-2563-4

Cited by 24 publications

(13 citation statements)

References 36 publications

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“…[34]. The wear resistance of particulate reinforced MMCs depends mainly on the particle size, particle volume fraction and matrix alloy properties [1][2][3][4][5][6][7][8][9][10][11][12][13]. Al-Si alloys are commonly used in the manufacture of automotive engine components such as cylinder blocks, pistons and piston insert rings.…”

Section: Selection Of Materialsmentioning

confidence: 99%

“…The principal reasons for the usage of Al-Si alloys are their good castability, high corrosion resistance [35] and low density. The wear resistance of Al-Si alloys is strongly dependent on the alloy composition, applied load and sliding speed [4,34]. The wear resistance of these alloys can be enhanced by the incorporation of a hard ceramic phase in the soft Al alloy matrix.…”

Section: Selection Of Materialsmentioning

confidence: 99%

“…On base of good physical and mechanical characteristics of hardening by thermal treatment of AlZn6MgCu alloys [37,38] we choose thise alloys as matrix. Graphite (Gr), in the form of fibers or particulates, has long been recognized as a high-strength, low-density material [1][2][3][4]. Al/Gr particulate MMCs produced by solidification techniques represent a class of inexpensive tailor-made materials for a variety of engineering applications such as automotive components , bushes, and bearings.…”

Section: Selection Of Materialsmentioning

confidence: 99%

“…matrix) reinforced with soft ceramic particles (Graphite, MoS2 etc.) have the objective to: (i) stabilize the developed friction coefficient during braking, particularly at high temperatures; (ii) decrease wear of disc and also (iii) increase grippe resistance [1][2][3][4]; (iv) exhibit a low friction coefficient (compared to composites reinforced with hard ceramic particles [5][6][7][8]) are mostly used in tribological applications without lubrication. We could say that this type of material is a balance of mechanical resistance with reduced friction and wear.…”

Section: Introductionmentioning

confidence: 99%

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Analytical and Experimental Studies on Wear Behaviour of Cast and Heat Treated Alsi12cumgni and Alzn6mgcu Matrix Composites Reinforced With Ceramic Particles, Under Sliding Condition

2018

IJOMAM

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The working conditions of the composite materials used to produce machine parts lead to different forms of wear. The fact that, for example, for a a kinematic coupling with sliding motion is often used a material with higher hardness (cast iron, steel) in combination with a material with a lower hardness (a composite material) there is the possibility of wear through abrasion and local plastic deformations. The paper proposes an analytical model for the determination of wear, depending on the angle of inclination of the roughness of the hard surface. The experimental wear investigations were made on cast iron disc (300HB hardness) at room temperature using a "pin on disc" machine, at and contact pressure and sliding speed. The composite consisted from cast and heat treated AlSi12CuMgNi and AlZn6MgCu matrix reinforced with Al2O3 and Graphite combined in different proportion, in the 0-5 volume percent range. The experimental results of the wear for the different materials are analyzed and compared to the analytical ones. The comparison of the experimental and the theoretical results confirms the veracity of the model and corresponds with many of the experimental results obtained in the specialized works.

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Section: Selection Of Materialsmentioning

confidence: 99%

Section: Selection Of Materialsmentioning

confidence: 99%

Section: Selection Of Materialsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Analytical and Experimental Studies on Wear Behaviour of Cast and Heat Treated Alsi12cumgni and Alzn6mgcu Matrix Composites Reinforced With Ceramic Particles, Under Sliding Condition

2018

IJOMAM

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“…Solid lubricants can be applied on the machine component surface by simple methods, such as painting and burnishing. Self-lubricating coatings can be prepared using magnetron sputtering [ 44 , 45 ], laser cladding [ 46 , 47 , 48 ], thermal spraying [ 49 ], and vapor deposition techniques [ 50 , 51 , 52 ]. In addition, powder metallurgy is a widely used technique to introduce solid lubricants into various matrices to obtain self-lubricating materials [ 53 , 54 , 55 ].…”

Section: Introductionmentioning

confidence: 99%

Self-Lubricating Materials for Extreme Condition Applications

John

Menezes

2021

Materials

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Lubrication for extreme conditions, such as high temperature, cryogenic temperature, vacuum pressure, high load, high speed, and corrosive environments, is a continuing challenge among tribologists and space engineers due to the inadequate friction and wear properties of liquid lubricants. As a result, tremendous research effort has been put forward to study lubrication mechanisms for various machine elements under challenging conditions over the past two decades. Self-lubricating materials have been most widely used for adequate lubrication in extreme conditions in recent years. This review paper presents state-of-the-art of materials for lubrication in extreme condition applications in aerospace, automotive, and power generation areas. More specifically, solid lubricants dispersed in various matrices for lubrication application were analyzed in-depth under challenging conditions. This study also reports the self-lubricating materials and their lubrication mechanisms. Finally, various applications and challenges of self-lubricating materials were explored.

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Analytical and Experimental Studies on Wear Behaviour of Cast and Heat Treated AlSi12CuMgNi and AlZn6MgCu Matrix Composites Reinforced with Ceramic Particles, Under Sliding Conditions

Popescu

Petre

Despa

2018

Proceedings of the International Conference of Mechatronics and Cyber-MixMechatronics – 2018

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Metallurgical Aspects of Self-lubricating Composites Containing Graphite and MoS2

Cited by 24 publications

References 36 publications

Analytical and Experimental Studies on Wear Behaviour of Cast and Heat Treated Alsi12cumgni and Alzn6mgcu Matrix Composites Reinforced With Ceramic Particles, Under Sliding Condition

Analytical and Experimental Studies on Wear Behaviour of Cast and Heat Treated Alsi12cumgni and Alzn6mgcu Matrix Composites Reinforced With Ceramic Particles, Under Sliding Condition

Self-Lubricating Materials for Extreme Condition Applications

Analytical and Experimental Studies on Wear Behaviour of Cast and Heat Treated AlSi12CuMgNi and AlZn6MgCu Matrix Composites Reinforced with Ceramic Particles, Under Sliding Conditions

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