Dry sliding wear behavior of Al-B4C particulate reinforced composites produced by powder metallurgy method

SAE 2013 World Congress and Exhibition -- 16 April 2013 through 18 April 2013 -- Detroit, MI -- 97364Metal Matrix Composites (MMCs) have been widely investigated and applied due to their advantages of improved strength, stiffness and increased wear resistance over the unreinforced alloys in automobile industries. MMCs are the type of materials which can be designed to combine the strength, ductility and formability of metallic alloys with the non-metallic compounds such as silicon carbide, aluminum oxide and boron carbide. This paper investigates dry sliding wear behavior of aluminum (Al) matrix (MMCs) reinforced with different amounts (3, 6, and 9 wt%) of B4Cp processed using pressureless sintering at 550 °C under argon atmosphere. Wear tests were performed on a pin-on-disk configuration against SAE 1040 steel counter body under constant load and sliding speed. The relationship between wear resistance and wear mechanism were investigated. The influence of wetting characteristics of B 4Cp by the matrix was also evaluated. Worn surfaces of composites were characterized by scanning electron microscopy (SEM) technique in order to identify dominant wear mechanism of the produced composite material. Microstructural studies conducted on the composites indicated that homogeneous distribution of the B4C particles in the Al matrix and a good interface between them had been achieved. According to pin on disc wear test results wear resistance of composite increased with increasing B4C particle content. Copyright © 2013 SAE International

A comparison and identification study of dry sliding wear behaviour of Al/B4CP and Mg/B4CP composites for automobile disk brakes

SAE 2014 World Congress and Exhibition -- 8 April 2014 through 10 April 2014 -- Detroit, MI -- 104424The brake friction materials in an automotive brake system play an important role in the overall braking performance of a vehicle. Metal Matrix Composites (MMCs) have been widely investigated and applied due to their advantages of improved strength, stiffness and increased wear resistance over the monolithic alloys in automobile industries. In this paper, Al/B 4CP and Mg/B4CP composites were compared to find a suitable candidate material for automotive disk brake application, in terms of wear behavior results of the materials. In addition, the experimental data was also used to model this behavior by identification. The measured tangential force was considered as the input parameter, whereas the weight loss as the output parameter. Preliminary results of this work showed that B4CP addition improved wear resistance of both aluminum and magnesium matrix composites. Additionally, the study pointed out that identified models provide a reliable and cost effective tool for wear prediction. Copyright © 2014 SAE International

Investigation of Dry Sliding Wear Behaviour of B 4 C Particulate Reinforced Mg Matrix Composites

Currently some composite materials and related manufacturing methods especially particle reinforced magnesium matrix composites are among important research topics because of their superior properties over monolithic metals. Mg-B4Cp is the commonly used composite material for fabrication of light-weight functional components. Wear behaviour of particle reinforced magnesium matrix composites play critical role for potential application in industries such as automotive and aerospace. In this study, the dry sliding wear behavior of particle reinforced magnesium matrix composites manufactured by powder metallurgy with dierent amount of B4Cp (3, 6, 9 wt%) addition is investigated. Wear tests are performed on a pin-on-disk conguration against SAE 1040 steel counter body under constant load and sliding speed. The wear behaviour of particle reinforced magnesium matrix composites was evaluated as a function of B4Cp amount (wt%). After the wear test, worn surface of the samples was examined by scanning electron microscopy for pointing out the wear mechanism

Investigation of Dry Sliding Wear Behaviour of B4C Particulate Reinforced Mg Matrix Composites

2nd International Congress on Advances in Applied Physics and Materials Science (APMAS) -- APR 26-29, 2012 -- Antalya, TURKEYWOS: 000317541600109Currently some composite materials and related manufacturing methods especially particle reinforced magnesium matrix composites are among important research topics because of their superior properties over monolithic metals. Mg-B4Cp is the commonly used composite material for fabrication of light-weight functional components. Wear behaviour of particle reinforced magnesium matrix composites play critical role for potential application in industries such as automotive and aerospace. In this study, the dry sliding wear behavior of particle reinforced magnesium matrix composites manufactured by powder metallurgy with different amount of B4Cp (3,6,9 wt%) addition is investigated. Wear tests are performed on a pin-on-disk configuration against SAE 1040 steel counter body under constant load and sliding speed. The wear behaviour of particle reinforced magnesium matrix composites was evaluated as a function of B4Cp amount (wt%). After the wear test, worn surface of the samples was examined by scanning electron microscopy for pointing out the wear mechanism. DOI: 10.12693/APhysPolA.123.488Gebze Inst Technol, Izmir Katip Celebi Univ, Istanbul Kultur Univ, Doga Nanobiotech Inc, Terra Lab, Inc, LOT Oriel Grp Europe, Redoks Inc, Edinburgh Instruments, Anamed & Analitik Grp, NanoMagnet Instruments Ltd, Maney Publishin