...K. Rajesh Kannan; R. Vaira Vignesh; M. Govindaraju Copper matrix incorporated with solid lubricant and hard ceramic reinforcement is a proven potential material for wind turbine brake pad applications. Though brake pads as bulk composites possess high wear resistance, hard ceramic reinforcements...

...Rakesh Kumar Singh; Chiranjit Sarkar The performance of magnetorheological (MR) brakes is dependent on the MR characteristics of the braking fluid, working parameters, and magnetic fields. Due to the size limitations, it is quite difficult to use large-sized electromagnet for a high magnetic field...

... of natural silicate on braking dynamics as evident from performance sensitivity analysis, braking load, sliding speed, and temperature. The nature of sliding induced tribo-layers was ascertained from elemental mapping by EDX and Raman spectroscopy indicating the friction composition of tribo-layer...

... of degradation), thermo-mechanical (loss modulus), and tribological performance (CoF, fade, recovery, wear) evaluation. The friction-fade and friction-recovery due to braking-induced heating and cooling cycles vis-a-vis the instantaneous braking performances were evaluated following SAEJ661, on a chase-type...

...Pablo Monreal; Neil Harrison; Eduardo Perez-Costarrosa; Miguel Zugasti; Alberto Madariaga; Isabel Clavería Designing a friction material for a brake system entails considering the effects of each constituent and the interactions that they may present between them. In the present work...

... and optimized following the combination of Taguchi’s L9 design of experiment and regression analysis approaches. The coefficient of friction of ∼0.35–0.45 and cumulative wear at <10% remained well within the acceptable range. The optimal tuning of friction oscillation to reduce braking-induced noise...

...Hoang-Long Le Tran; Cristol Anne-Lise; Hosdez Jérôme; Magnier Vincent It is well known that on the brake pad material, the triptych microstructure-properties-solicitations is the key to better understand the phenomena caused by braking stress. The challenging issues are the evolution...

...Peng Zhang; Lin Zhang; Dongbin Wei; Xuanhui Qu The continuous emergency braking performance of copper-based brake pads alloyed with different Ni contents were tested. The results showed that the copper-based brake pad with high Ni content exhibits improved stability of friction coefficient during...

...Oluwatoyin Joseph Gbadeyan; Krishnan Kanny Although extensive improvement has been done on brake pad for vehicles, most recent materials used still encounter wear rate, friction, stopping distance, and time deficiencies. In this regards, this study developed a polymer-based nanocomposite brake pad...

...O. J. Gbadeyan; Krishnan Kanny; Mohan Turup Pandurangan In the present work, composites were developed with novel combination of particular fillers and fibers for an automotive brake system. The influence of short carbon fiber (SCF) on wear rate, coefficient of friction (CoF), modulus, compressive...

...Rakesh K. Kachhap; Bhabani K. Satapathy Short-fiber (e.g., steel wool, rock fibers, and kevlar) reinforced flyash cenosphere–molybdenum disulfide combination-filled phenolic composite materials for friction braking applications were developed and evaluated for their physical (density, void fraction...

..., performance was in the order: C Y (86%) > C H (83%) > C U (80%). Thus, YbF 3 -treated CF based FM proved the best in this aspect. Following are the salient observations from Fig. 9 —temperature rise point of view: Rise in temperature of disk or brake; lower the better. In the case...

..., 2016; final manuscript received August 24, 2016; published online March 24, 2017. Assoc. Editor: Dae-Eun Kim. 10 04 2016 24 08 2016 Brakes Friction Third bodies Copper-matrix sintered friction materials are widely used in high-speed train fields because of their excellent...

... for publication in the J OURNAL OF T RIBOLOGY . Manuscript received May 26, 2016; final manuscript received August 8, 2016; published online January 10, 2017. Assoc. Editor: Sinan Muftu. 26 05 2016 08 08 2016 Brakes Electrical contacts Hotspots The topic of surface temperature...

.... Editor: James R. Barber. 31 03 2015 30 06 2015 Brakes Contact Friction Interface Surface treatments Automotive brake squeal is still an unsolved noise problem caused by friction-induced vibration in spite of many years of investigation [ 1 ]. Brake squeal, defined by its...

...C. H. Gao; J. M. Huang; X. Z. Lin; X. S. Tang This paper develops a three-dimensional (3D) thermal-structure coupling model, implements transient stress analysis of thermoelastic contact of disk brakes with a frictional heat variation and identifies the source of the thermal fatigue...

...Vannina Linck; Guy Bayada; Laurent Baillet; Taoufik Sassi; Jalila Sabil When studying a mechanical system involving contact between two bodies such as a disc and brake pad system, finite element simulations are often used to predict the phenomena involved. However, due to model size and calculation...

.... Furthermore, local contact normal stress is found to be much higher than that expected for a smooth surface. Finally, a 3D simulation of brakes is carried out, focusing on the vibrations of the disk and the brake pad which produce noise and are due to the interface instabilities. The simulation presented...

...Kambiz Farhang; Aik-Liang Lim Using a nonlinear model of a two disk brake system, coupled equations of motion are found for their frictional interaction. The mathematical formulation relates the tribological events at micron scale and the macroscopic scale vibration response of a two-disk brake...

... frictionally excited TEI, pre-stressed in-plane the solution of the resulting eigenvalue problem is obtained numerically. Some results are discussed and compared to the literature. plates (structures) thermoelasticity mechanical stability friction thermal stresses brakes clutches eigenvalues...