Experimental Study on Dry Sliding Wear Behaviour of Al-B₄C-Gr Metal Matrix Composite at Different Temperatures

Abstract

In the present scenario aluminium is an useful metal due its admirable properties such as light weight, low cost and excellent thermal conductivity.In order to take advantages of these properties aluminium is being used to make the metal matrix composites for tribological application, In this present investigation effort has been made to assess the wear properties of Al–B4C–Gr metal matrix composite at various temperatures such as 323° K, 373° K and 423° K. Al–B4C–Gr Hybrid metal matrix composites were fabricated by stir casting technique. The influence of parameters like load, speed, distance and temperature on the wear rate was investigated. A plan of experiments, based on Taguchi model with L27 orthogonal array and analysis of variance was employed to investigate the influence of process parameters on the wear behaviour of these hybrid metal matrix composites. The wear resistance increased with increasing temperature, but wear resistance decreased at higher loads. It was observed that the abrasive wear is dominates while sliding as observed by SEM analysis of worn out specimens.

Multi Ceramic Particles Inclusion in the Aluminium Matrix and Wear Characterization through Experimental and Response Surface-Artificial Neural Networks

“…Stir casting is adopted in the present research, as it is attractive and flexible and is relatively economical compared with other casting processes. This process is used to get homogeneous mixing of the reinforcement within the liquid matrix phase [ 39 , 40 ]. Here, graphite crucible was used for melting, in which the Al2219 alloy billet was held at 700 °C.…”

“…All the tests were performed using a pin on the disc (friction monitor TR-20-PHM 400, Make: DUCOM, Bangalore, India) set up attached with the data acquisition system. To prepare the wear test samples, ASTM G99 standard specifications were adopted [ 40 ]. The impact of the chosen parameters on weight loss was analyzed using an ANN (IBM-SPSS Statistics 22) framework [ 34 ].…”

“…The disc rotated at 1.25 m/s, 2.5 m/s, and 3.75 m/s and applied a load of 20 N, 30 N, and 40 N, with a sliding distance of 400 m, 600 m, and 800 m, respectively. These process parameters were used to describe the wear resistance of the AMMCs [ 40 ].…”

Study On Effect of Boron Carbide, Aluminium Oxide and Graphite On Dry Sliding Wear Behaviour of Aluminium Based Metal Matrix Composite at Different Temperature

“…Pin-on-disc (Pin heating-wear and friction monitor TR-20-PHM 400) testing apparatus was used to discern dry sliding wear behaviour of Al2219 and AMMCs at different temperature. As per the G99 standard [23], 10 mm diameter round pin of the AMMCs were made to slide against the rotating steel [21]. While conducting the test, acetone was used to clean the specimen and disc.…”

Effect of Boron Carbide on wear resistance of graphite containing Al7029 Based Hybrid Composites and its Dry Sliding Wear Characterization Through Experimental, Response Surface Method and ANOVA

“…Boron carbide (B4C) improves tensile strength, impact strength, toughness, and interface bonding with the Aluminium matrix. Due to its self-lubricating properties, Graphite decreases the composite wear rate [2]. Aluminium Metal Matrix Composites (AMMCs) supplemented with particles have the potential to improve qualities obtained through traditional methods [3].…”