Effect of warm rolling and annealing on the mechanical properties of aluminum composite reinforced with boron nitride nanotubes

Bisht, Ankita; Kumar, Vijayesh; Li, Lu Hua; Chen, Ying; Agarwal, Arvind; Lahiri, Debrupa

doi:10.1016/j.msea.2017.10.101

Cited by 36 publications

(15 citation statements)

References 51 publications

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“…In Figure 8, the micro-hardness of the hybrid composites was measured five times, and the average results were presented. The mechanical properties of the hybrid composites depend on the interaction between the particles and matrix, microstructure, sintering temperature, and weight percentage of reinforcement materials [38]. In accordance, the different weight percentages of hybrid nanoparticles reinforcements added into aluminum matrix and an optimum amount of hybrid reinforcement required to modify the mechanical properties of HAMC were investigated.…”

Section: Hardness Testmentioning

confidence: 99%

Microstructural, Tribology and Corrosion Properties of Optimized Fe3O4-SiC Reinforced Aluminum Matrix Hybrid Nano Filler Composite Fabricated through Powder Metallurgy Method

et al. 2020

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Hybrid reinforcement’s novel composite (Al-Fe3O4-SiC) via powder metallurgy method was successfully fabricated. In this study, the aim was to define the influence of SiC-Fe3O4 nanoparticles on microstructure, mechanical, tribology, and corrosion properties of the composite. Various researchers confirmed that aluminum matrix composite (AMC) is an excellent multifunctional lightweight material with remarkable properties. However, to improve the wear resistance in high-performance tribological application, hardening and developing corrosion resistance was needed; thus, an optimized hybrid reinforcement of particulates (SiC-Fe3O4) into an aluminum matrix was explored. Based on obtained results, the density and hardness were 2.69 g/cm3, 91 HV for Al-30Fe3O4-20SiC, after the sintering process. Coefficient of friction (COF) was decreased after adding Fe3O4 and SiC hybrid composite in tribology behaviors, and the lowest COF was 0.412 for Al-30Fe3O4-20SiC. The corrosion protection efficiency increased from 88.07%, 90.91%, and 99.83% for Al-30Fe3O4, Al-15Fe3O4-30SiC, and Al-30Fe3O4-20SiC samples, respectively. Hence, the addition of this reinforcement (Al-Fe3O4-SiC) to the composite shows a positive outcome toward corrosion resistance (lower corrosion rate), in order to increase the durability and life span of material during operation. The accomplished results indicated that, by increasing the weight percentage of SiC-Fe3O4, it had improved the mechanical properties, tribology, and corrosion resistance in aluminum matrix. After comparing all samples, we then selected Al-30Fe3O4-20SiC as an optimized composite.

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Section: Hardness Testmentioning

confidence: 99%

Microstructural, Tribology and Corrosion Properties of Optimized Fe3O4-SiC Reinforced Aluminum Matrix Hybrid Nano Filler Composite Fabricated through Powder Metallurgy Method

et al. 2020

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“…A higher number of grain boundaries per unit length indicates a higher number of dislocations. The grain growth is also associated with the sintering temperature and time, as reported by Bisht et al, 41 thus controlling the sintering time can restrict the grain growth and eventually increase the hardness of the Al6061 matrix as observed. The absence of the intermetallic phase Al 4 C 3 is another reason for the increase in hardness, as reported by Bartolucci et al 42 and Khan et al 43 Tensile Testing Figure 6c shows the stress-strain curves of the reference and Al-GNPs composites in T6 condition.…”

Section: Hardnessmentioning

confidence: 60%

Physical and Mechanical Properties of Graphene Nanoplatelet-Reinforced Al6061-T6 Composites Processed by Spark Plasma Sintering

Khan

Ud-Din

Wadood

et al. 2020

JOM

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Aluminium matrix composites with high specific strength are attracting attention for use in automobile and aerospace applications. Graphene nanoplatelets (GNPs) were added in 0.1, 0.5, and 1 weight fractions to an Al6061 matrix. Spark plasma sintering was used with a combination of solution sonication and ball milling to disperse the GNPs in the Al6061 matrix. The evolution of the microstructure was studied using optical and scanning electron microscopy. The uniformity of the GNP distribution is discussed in light of selected ball milling parameters. Electron backscattered diffraction analysis was used to measure the grain size and misorientation. X-ray diffraction analysis and transmission electron microscopy revealed neat and clean interfaces between the matrix and GNPs. Hardness and tensile testing revealed a considerable increment in the strength of the final composite after addition of GNPs. Traces of GNP clusters were found in the 1 wt.% composite as well as premature failure at lower strain due to the insufficient load transfer capability of the Al6061-T6 matrix. An illustrative two-dimensional model was developed to explain the load transfer behavior and the deterioration of the mechanical properties.

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“…Improved wetting conditions between the metal matrix and the nanotube was found to impart increments in elastic modulus of the Al matrix by 2× (134 GPa), with effective transfer of load mechanisms such as crack bridging, nanotube pull-out, etc 4,[53][54][55] ( Figure 10 b and c). In addition to the strengthening imparted by strong interfacial interactions between the nanotube and the metal matrix, BNNTs have shown to effectively serve as sites for dislocations to pile up and restrict gliding of the same 57,58 . Dislocation pile-ups along the length of BNNTs were found to increase elastic modulus by up to 16% with merely 0.045 wt% BNNT content 58 .…”

Section: Interfacial Interactions Between Bnnt and Metalmentioning

confidence: 99%

“…It is clear from the previous efforts 32,47,48,50,55,57,67 that the addition of BNNTs to the Powder metallurgy routes such as SPS are techniques which require an initial feedstock material in the form of a powder. The homogenous dispersion of BNNTs has been previously attained by ball milling processes, and solvent assisted dispersion routes 44,47,54,68 .…”

Section: Current Challengesmentioning

confidence: 99%

Boron Nitride Nanotube–Reinforced Titanium Composite with Controlled Interfacial Reactions by Spark Plasma Sintering

Bustillos

Nautiyal

et al. 2020

Adv Eng Mater

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In this study, Boron Nitride Nanotube (BNNT) reinforced Titanium matrix composites are synthesized by Spark Plasma Sintering. Two main challenges directly affecting the mechanical performance of BNNT-metal matrix composites are addressed:(i) Homogenous dispersion of high surface energy BNNTs, and (ii) Controlling interfacial reactions at the metal/nanotube interface. High affinity of acetone with BNNTs and high energy ultrasonication induced the mechanical dispersion and stability of BNNTs in their dispersion. The sintering of Ti (99% relative density) was achieved at 50% less processing temperature than those used in conventional sintering to minimize interfacial reactions when reinforced with BNNTs. The reduction of temperatures in addition to the reduction (by 91%) in processing times was shown to control reaction phases. Bulk compressive yield strengths of Ti-BNNT sintered at low (750 o C) and high (950 o C) temperatures were improved by 21% and 50% respectively, as compared to Ti alloy without reinforcement. Twin boundaries, pinning of dislocations by BNNTs, and crack bridging were strengthening mechanisms identified in the composites. vi TABLE OF CONTENT CHAPTER

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Effect of warm rolling and annealing on the mechanical properties of aluminum composite reinforced with boron nitride nanotubes

Cited by 36 publications

References 51 publications

Microstructural, Tribology and Corrosion Properties of Optimized Fe3O4-SiC Reinforced Aluminum Matrix Hybrid Nano Filler Composite Fabricated through Powder Metallurgy Method

Microstructural, Tribology and Corrosion Properties of Optimized Fe3O4-SiC Reinforced Aluminum Matrix Hybrid Nano Filler Composite Fabricated through Powder Metallurgy Method

Physical and Mechanical Properties of Graphene Nanoplatelet-Reinforced Al6061-T6 Composites Processed by Spark Plasma Sintering

Boron Nitride Nanotube–Reinforced Titanium Composite with Controlled Interfacial Reactions by Spark Plasma Sintering

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