Wear Characteristic of Al-Based Metal Matrix Composites Used for Heavy Duty Brake Pad Applications

Mohammad Asif; Kamlesh Chandra; Prabhu Shankar Misra

doi:10.4028/www.scientific.net/MSF.710.407

Paper Titles

Role of SiC_P on Processing and Physical Characteristics of Al-Si-Mg/SiC_P Composite Foams
p.383

Processing and Microstructure of Magnesium In Situ Composite with Titanium and Boron Based Reinforcement
p.389

Processing of Primary Silicon and Mg₂Si Reinforced Hybrid Functionally Graded Aluminum Composites by Centrifugal Casting
p.395

Tribological Behavior of Mg-Mg₂Si In Situ Composite
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Wear Characteristic of Al-Based Metal Matrix Composites Used for Heavy Duty Brake Pad Applications
p.407

Challenges in Characterization and Acceptance of Metal Matrix Composite “Carrier Plate” Material for Space Applications
p.412

Mechanical Characterization of Multi Phase Steel at Different Rates of Loading
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Effect of Cold Working on the Mechanical Properties of a Medium Carbon Low Alloy Steel
p.427

Effect of Tempering Temperature on Strength and Fracture Toughness of 0.3C-CrMoV(ESR) Steel
p.433

HomeMaterials Science ForumMaterials Science Forum Vol. 710Wear Characteristic of Al-Based Metal Matrix...

Wear Characteristic of Al-Based Metal Matrix Composites Used for Heavy Duty Brake Pad Applications

Abstract:

Wear study of metal matrix composites used as friction material is one of the most important parameter for determining the brake performance. The present investigations relates to the development of Aluminum powder based brake pads; where the back plates are also made of Aluminum based powders respectively. Thus it is aimed to fabricate net-shape Aluminium powder based brake pads in a single forming operation with better characteristics (low wear, low temperature rise, stable coefficient of friction) employing a newly developed technology namely “Hot Powder Preform Forging” technique. Three Aluminum based friction composites which are designated as ALM 01, ALM 02 & ALM 03 were formulated. The dry wear test is carried out using a pin-on-disc tribo-tester at constant sliding speed of 9 ms-1 under a load of 50 N. The counter face disc is made of heat treated grey cast iron. During the test, the cumulative wear (gm), Coefficient of friction, temperature rise (oC) and noise level (dB) were recorded. The effect of load at constant speed on sliding wear, frictional characteristic of aluminum based MMC (rotor / drum) in dry condition is studied. On the basis of initial laboratory tests like density, Hardness, wear test, the samples were qualified for sub-scale dynamometer test at Rejected Take Off condition. Optical microscope was used to investigate the microstructure of metal matrix friction composites surfaces. The results revealed that coefficient of friction was more stable. The Cumulative wear (gm) was low with rise in temperature. It was also observed that distribution of ingredients in matrix was fine and homogeneous.

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Periodical:

Materials Science Forum (Volume 710)

Pages:

407-411

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.710.407

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Online since:

January 2012

Authors:

Mohammad Asif, Kamlesh Chandra, Prabhu Shankar Misra

Keywords:

Brake Pads, Forging, Metal Matrix Composite (MMC), Powder metallurgy, Wear

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