Fabrication And Characterization Of Aa 7075 Reinforced With Ticp Composite

Authors

  • S.Manikandan, K. Deepandurai

Abstract

Aluminum (Al) 7075 as alloy Matrix and Titanium Carbide (TiC) have been identified as reinforcement since it has possible applications in space and aviation technologies, as strong wear resistance from less quantity to strength ratio and the resistance creeps. Extensive inquiries into the microstructure and representation of the mixture Alloy/TiC are required to manufacture MMCs. The MMCs are produced for space and aircraft industries with flawless and excellent Microstructure. The purpose of this study is the manufacturing and microstructural surveys of AA7075 – TiCp MMCs. By stir casting technique, AA 7075 is strengthened with 10%-15% TiCp of size 20µm-40µm. Scanning Electron microscopy, X-ray Diffraction (XRD), differential thermal analysis and Electron Probe Microscopic Analysis (EPMA) were used for studying obtained composite as-cast structures. Distribution and connection of TiCp to 7075 Al alloy Matrix is under review. The 7075 Al alloy – TiCp composite microstructure revealed the admirable dispersion of TiCp into alloy matrix 7075 Al. Additionally, in XRD and EPMA analysis no indication of secondary chemical reactions is observed. At a temperature of 1,257, 1,210 and 1,256°C for 7075 alloy composites, AA7075/10 wt. percent/TiCp (20–40 ?m) and AA7075/15 wt. percent / TiCp (20–40 ?m) the step of decomposition in the derivative thermogravimetric curve is observed. Those composites can be used successfully in engineering applications where the temperature does not exceed 1.250°C.

Published

2020-11-01

Issue

Section

Articles