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Structural, Fatigue Behavior, and Mechanical Properties of Zirconium Tungstate-Reinforced Casted A356 Aluminum Alloy

1
Department of Metallurgy and Materials Engineering, University of Engineering and Technology, Taxila 47050, Pakistan
2
Department of Mechanical Engineering, College of Engineering, Prince Sattam bin Abdul aziz University, AlKharj 11942, Saudi Arabia
3
Physics Department, College of Science, Jouf University, Al-Jouf, Sakaka 2014, Saudi Arabia
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School of Chemical and Materials Engineering, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
5
Department of Mechanical Engineering, Institute of Space Technology, Islamabad 44000, Pakistan
*
Author to whom correspondence should be addressed.
Metals 2020, 10(11), 1492; https://doi.org/10.3390/met10111492
Received: 28 September 2020 / Revised: 30 October 2020 / Accepted: 2 November 2020 / Published: 9 November 2020
(This article belongs to the Section Metal Casting, Forming and Heat Treatment)
The aim of this study is to investigate the structure–property relationship of the zirconium tungstate-reinforced casted A356 aluminum alloy. The reinforcement ceramic used was zirconium tungstate of the negative thermal coefficient type, which assists in the weldment of crack growth and enhances the fatigue life. The specimens used in this study were casted by stir casting method and prepared according to Compact Tension standard E-399, and microstructural, fatigue behavior, and mechanical properties were investigated systematically. Microstructural analysis showed reduction in porosity by the addition of ZrW2O8 particles. Fatigue results depict the increase in the fatigue life of aluminum reinforced ceramic as compared to the casted base aluminum alloy. Brinell hardness of ZrW2O8 reinforced alloy samples increased 7% as compared to the base aluminum alloy hardness value. Tensile strength also significantly improved from 176 MPa for the base A356 alloy to 198 MPa for the ZrW2O8 reinforced composite. Furthermore, addition of ZrW2O8 ceramic powder increased the fatigue life more than 50% of the base alloy. These results suggest that the ZrW2O8 reinforced A356 composites may be potential candidates for aerospace industry, military, transportation and in structural sites. View Full-Text
Keywords: zirconium tungstate; mechanical properties; negative thermal coefficient; low cycle fatigue; microstructure zirconium tungstate; mechanical properties; negative thermal coefficient; low cycle fatigue; microstructure
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MDPI and ACS Style

Raza, M.; Alrobei, H.; Malik, R.A.; Hussain, A.; Alzaid, M.; Saleem, M.; Imran, M. Structural, Fatigue Behavior, and Mechanical Properties of Zirconium Tungstate-Reinforced Casted A356 Aluminum Alloy. Metals 2020, 10, 1492. https://doi.org/10.3390/met10111492

AMA Style

Raza M, Alrobei H, Malik RA, Hussain A, Alzaid M, Saleem M, Imran M. Structural, Fatigue Behavior, and Mechanical Properties of Zirconium Tungstate-Reinforced Casted A356 Aluminum Alloy. Metals. 2020; 10(11):1492. https://doi.org/10.3390/met10111492

Chicago/Turabian Style

Raza, Muhammad, Hussein Alrobei, Rizwan A. Malik, Azhar Hussain, Meshal Alzaid, Mohsin Saleem, and Mian Imran. 2020. "Structural, Fatigue Behavior, and Mechanical Properties of Zirconium Tungstate-Reinforced Casted A356 Aluminum Alloy" Metals 10, no. 11: 1492. https://doi.org/10.3390/met10111492

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