Effect of Nano Particle Size on Mechanical and Fatigue Behavior of TiO2 Particular-Reinforced Aluminum Alloy Composites

被引:0
作者
Nayeeif, Adil Abed [1 ]
Alasadi, Abbas A. [1 ]
Alalkawi, Hussain J. M. [2 ]
机构
[1] Mustansiriyah Univ Baghdad, Dept Mech Engn, Baghdad, Iraq
[2] Bilad Al Rafidain Univ Coll, Aeronaut Tech Engn Dept, Baghdad, Iraq
来源
INTERNATIONAL JOURNAL OF NANOELECTRONICS AND MATERIALS | 2023年 / 16卷 / 03期
关键词
AA7075; TiO2 different particle size; Scanning Electronic Microstructure; Mechanical properties; Fatigue Behavior;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Aluminum alloys are among the most widely used materials in the parts and vehicle sectors due to their high strength-to-weight ratio and qualities such as higher corrosion and wear resistance, as well as minimal thermal growth when compared to other metals. This research involved matrix alloy AA7075 aluminum reinforced with constant 7 wt. % TiO2 (with different particle sizes 30, 70, and 100 nm). The goal of this study is to improve the mechanical (impact strength and young modulus) and fatigue properties of AA7075 alloy-based metal matrix composites, and fatigue. AA7075 composites with a constant weight percentage of 7wt.% of TiO2 and variable particle size have been successfully synthesized by the stir casting route. Microstructural examinations revealed that nanocomposites with (30nm) particle size have better distribution and less porosity compared to the other particles size. The nanocomposite having 30 nm particle size was found to have maximum improvement UTS and YS in comparison with the other nanocomposites, 20.45%, and 12.87% respectively, and minimum elongation. An increase in particle size and fatigue results indicates the decreasing trend of fatigue life and strength. The higher endurance fatigue limit was recorded to be (23.875 MPa) for (30 nm) nanocomposite.
引用
收藏
页码:535 / 544
页数:10
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