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Open AccessArticle

Fatigue Cycles and Performance Evaluation of Accelerating Aging Heat Treated Aluminum Semi Solid Materials Designed for Automotive Dynamic Components

1
Department of Applied Sciences, University of Quebec, Chicoutimi, QC G7H2B1, Canada
2
Department of Metallurgy, Faculty of Engineering, Cairo University, Giza 12613, Egypt
*
Author to whom correspondence should be addressed.
Appl. Sci. 2020, 10(9), 3008; https://doi.org/10.3390/app10093008
Received: 5 April 2020 / Revised: 18 April 2020 / Accepted: 21 April 2020 / Published: 26 April 2020
The A357-type (Al-Si-Mg) aluminum semi solid casting materials are known for their excellent strength and good ductility, which make them materials of choice, preferable in the manufacturing of automotive dynamic mechanical components. Semi-solid casting is considered as an effective technique for the manufacturing of automotive mechanical dynamic components of superior quality performance and efficiency. The lower control arm in an automotive suspension system is the significant mechanical dynamic component responsible for linking the wheels of the vehicle to the chassis. A new trend is to manufacture this part from A357 aluminum alloy due to its lightweight, high specific strength, and better corrosion resistance than steel. This study proposes different designs of a suspension control arm developed, concerning its strength to weight ratio. Furthermore, this study aims to investigate the effect of accelerating thermal aging treatments on the fatigue life of bending fatigue specimens manufactured from alloy A357 using the Rheocasting semi-solid technology. The results revealed that the multiple aging cycles, of WC3, indicated superior fatigue life compared to standard thermal aging cycles. On the other hand, the proposed designs of automotive suspension control components showed higher strength-to-weight ratios, better stress distribution, and lower Von-Mises stresses compared to conventional designs. View Full-Text
Keywords: low/high fatigue cycles; aluminum semi-solid; design analysis; finite elements low/high fatigue cycles; aluminum semi-solid; design analysis; finite elements
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MDPI and ACS Style

Attia, M.; Ragab, K.A.; Bouazara, M.; Chen, X.-G. Fatigue Cycles and Performance Evaluation of Accelerating Aging Heat Treated Aluminum Semi Solid Materials Designed for Automotive Dynamic Components. Appl. Sci. 2020, 10, 3008. https://doi.org/10.3390/app10093008

AMA Style

Attia M, Ragab KA, Bouazara M, Chen X-G. Fatigue Cycles and Performance Evaluation of Accelerating Aging Heat Treated Aluminum Semi Solid Materials Designed for Automotive Dynamic Components. Applied Sciences. 2020; 10(9):3008. https://doi.org/10.3390/app10093008

Chicago/Turabian Style

Attia, Mohamed; Ragab, Khaled A.; Bouazara, Mohamed; Chen, X.-Grant. 2020. "Fatigue Cycles and Performance Evaluation of Accelerating Aging Heat Treated Aluminum Semi Solid Materials Designed for Automotive Dynamic Components" Appl. Sci. 10, no. 9: 3008. https://doi.org/10.3390/app10093008

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