The effect of B4C reinforcements on the microstructure, mechanical properties, and wear behavior of AA7075 alloy matrix produced by squeeze casting

Date

2022-11-01

Author

Demir, Mehmet Emin
ÇELİK, YAHYA HIŞMAN
KILIÇKAP, EROL
Kalkanlı, Ali

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

147
views

0
downloads

Aluminum and its alloys have become the most popular materials in applications aiming to provide lightness due to their low density. However, the low mechanical properties compared to other competitors are among the disadvantages of aluminum and its alloys. This is an important motivation factor in researching strength increasing mechanisms in aluminum and its alloys. In this study, the effects of reinforcement ratio and type on the microstructure, mechanical properties, and wear behavior of the AA7075/B4C composite produced by squeeze casting method were investigated. Two types of materials were produced and compared-non-reinforced AA7075 alloy and AA7075 allo matrix composite reinforced by 4, 8, 10, and 12 wt% B4C. Microstructures of two materials were analyzed by optical microscope, scanning electron microscope and energy distribution spectrometer. In addition, the mechanical and tribological properties of these materials were investigated. Microstructure and scanning electron microscope analysis reveals that the increasing B4C reinforcement ratio increased the tendency of agglomeration in the matrix. Although B4C reinforcement tends to agglomerate, B4C reinforcement positively affected the AA7075 alloy's hardness, tensile and bending strengths, elasticity modules, and wear resistance.

Subject Keywords

AA7075 alloy, composites, mechanical properties, squeeze casting, wear behavior, HYBRID COMPOSITES, SILICON-CARBIDE, BORON-CARBIDE, ALUMINUM, STIR, PERFORMANCE, NANO

URI

https://hdl.handle.net/11511/101678

Journal

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING

DOI

https://doi.org/10.1177/09544089221139095

Collections

Department of Metallurgical and Materials Engineering, Article

Suggestions

OpenMETU
Core

The Effect of Rolling and Aging on Mechanical and Tribological Properties in B4C Particle Reinforced Al7075 Matrix Composites Demir, Mehmet Emin; Çelik, Yahya Hışman; Kalkanlı, Ali (2022-01-01) © 2022, King Fahd University of Petroleum & Minerals.Strengthening, heat treating, or rolling these alloys with different reinforcement particles positively affects the physical, mechanical and tribological properties. In this study, materials were produced by squeeze casting method by adding B4C particle to Al7075 alloy matrix in 4 different reinforcement ratios (4%, 8%, 10%, 12%). The physical, mechanical, and tribological properties of B4C/Al7075 composites were compared to the Al7075 alloy. In addition,...
The use of polyethylene copolymers as compatibilizers in carbon fiber reinforced high density polyethylene composites ATABEK SAVAŞ, Lemiye; Tayfun, Umit; DOĞAN, Mehmet (2016-08-15) In the current study, three different commercially available copolymers are used as compatibilizer in carbon fiber (CF) reinforced high density polyethylene (PE) based composites. Polyethylene grafted maleic anhydride (PE-g-MA), a random terpolymer of ethylene, acrylic ester and maleic anhydride (LOT MA) and a random copolymer of ethylene and glycidyl methacrylate (LOT-GMA) are used as compatibilizers. The compatibilizers are used at three concentrations of 1.5, 3 and 6 wt%. The type and amount of compatibi...
The Effects of chromic acid anodizing on fatigue behavior of (AMS4050) 7050 T7451 aluminum alloy İlhan, Çağrı; Gürbüz, Rıza; Department of Metallurgical and Materials Engineering (2019) 7050 T7451 is a solution heat treated, stress relieved, and overaged aluminum alloy which has extensively used in aerospace industry. Chromic Acid Anodizing (CAA) is a treatment against corrosion by producing aluminum oxide layer (Al2O3) at the surface. Although corrosion resistance is increased by CAA, fatigue life of the material is affected inversely due to CAA process. CAA process consists of pre-treatments (degrease, etching etc.) and anodizing steps which have different effects on fatigue life of the ...
Thermo-mechanically coupled numerical and experimental study on 7075 aluminum forging process and dies Özcan, Mehmet Cihat; Gökler, Mustafa İlhan; Department of Mechanical Engineering (2008) Combination of high strength with light weight which is the prominent property of aluminum alloy forgings has led aluminum forgings used in rapidly expanding range of applications. In this study, to produce a particular 7075 aluminum alloy part, the forging process has been designed and analyzed. The forging process sequence has been designed by using Finite Volume Method. Then, the designed process has been analyzed by using Finite Element Method and the stress, strain and temperature distributions within ...
Characterization of novel materials for fused filament fabrication AL-DUAIS, ABDULLAH ABDULRAHMAN NAJI; Özerinç, Sezer; Kazanç Özerinç, Feyza; Department of Mechanical Engineering (2021-6-24) Fused filament fabrication (FFF) is a polymer additive manufacturing technology that is suitable for a wide range of applications due to its low cost and ease of use. This thesis investigated two types of novel materials for FFF use. First, a foaming PLA filament is considered and the mechanical properties of 3D printed specimens using this filament is characterized. The results show that the strength, modulus and density of the foaming PLA can be tuned over a wide range of values by varying FFF process par...

Citation Formats

M. E. Demir, Y. H. ÇELİK, E. KILIÇKAP, and A. Kalkanlı, “The effect of B4C reinforcements on the microstructure, mechanical properties, and wear behavior of AA7075 alloy matrix produced by squeeze casting,” PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING, pp. 0–0, 2022, Accessed: 00, 2023. [Online]. Available: https://hdl.handle.net/11511/101678.