Experimental investigation of mechanical properties and machining behaviour for al2219tic gr hybrid composites

Abstract

Aluminum metal matrix composites are high tech materials that have been developed for different applications in the aerospace and automotive industries where material weight plays a critical role. Studies and investigations into these materials are largely to match those essential for their use in the above applications in order to refine their mechanical properties and thus benefit humanity. This property refinement helps us to identify and decide the machinery, tools and equipment that will be suitable / required to perform the various machining functions / operations on the materials with such modified properties. Powder Metallurgy (P / M) is one of several metal working operations, including a close net or net-molded assembly process that consolidates shape technology elements. It is primarily intended to determine the mechanical behavior and associated properties of Al2219 alloy matrix reinforced with 6 % of titanium carbide (TiC) and#8804; 200 nm and 2 % of graphite (Gr) and#8804; 2 and#956;m composite particles produced (using ball mill) by powder metallurgy. Three factors of Central Composite Face-centered design are selected for performing experiments in this research study. Fifteen pairs of real values of half fraction, one center points with one factorial and axial point replication are considered. Calculation of interactive quadratic, linear and two-way impacts of sintering temperature (°C), sintering time (hr), and compacting pressure (MPa) with three different levels is considered for Micro-hardness (HV) and sintering density (and#961;s) responses for the 15 experimental runs. Calculation of interactive quadratic, linear and two-way impacts of spindle speed (N), feed rate (F) and axial depth of cut (Da) with three different levels is also considered for the responses of vibration newline