Effect of surface modified silicon carbide particles with Al2O3 and nanocrystalline spinel ZnAl2O4 on mechanical and damping properties of the composite

Singh, Subhash; Pal, Kaushik

doi:10.1016/j.msea.2015.07.057

Cited by 25 publications

(8 citation statements)

References 49 publications

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“…Therefore, it may be anticipated that the thermal gradient induced thermo-elastic damping is higher in the ZA/Ni modified alloy than in unreinforced matrix alloy. This fact was also mentioned already in the literature [13]. Furthermore, according to equation (1), thermo-elastic damping is frequency dependent and reaches a maximum when  (unity) [14].…”

Section: Effect Of Temperature and Ni Content On Damping Behavioursupporting

confidence: 73%

Damping properties of nickel-added modified zinc alloys

Male¹,

Annamalai²

2017

J. MECH. ENG. SCI.

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The objective of the present work is to investigate the effect of Ni content on the damping behaviour of zinc modified alloy using a dynamic mechanical analyser. The modified zinc alloys were prepared for different additions of Ni content using the liquid metallurgical technique. Damping properties such as storage modulus, loss modulus and specific damping capacity were studied for both zinc alloy and modified zinc alloy over a temperature range of 30 C to 300 C. The results showed that the specific damping capacity and loss modulus of both zinc and modified zinc alloys increased with increases in temperature, but storage modulus decreased with temperature. The addition of Ni into zinc alloys improves its specific damping capacity due to the thermal expansion mismatch which induced a dislocation density between the matrix and alloy. The specific damping capacity was found to be high at higher temperature (300 o C) due to the intrinsic damping of zinc alloy and thermo-elastic damping between the zinc alloy and Ni particulate. In the present work, it was also found that the contribution of thermoelastic damping is significant throughout the temperature range considered.

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Section: Effect Of Temperature and Ni Content On Damping Behavioursupporting

confidence: 73%

Damping properties of nickel-added modified zinc alloys

Male¹,

Annamalai²

2017

J. MECH. ENG. SCI.

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“…In order to obtain a large interface binding energy, SiC particles are usually surface-modified and coated to improve wettability and prevent reaction, thereby improving interface structure stability. Surface modification of SiC particles is a common method, including coating modification and high temperature oxidation [23][24][25]. High temperature oxidation is the most widely used surface modification method.…”

Section: Results and Analysismentioning

confidence: 99%

First-principles Analysis of SiC/Al Composites Interface

Wang¹,

Shi²

2019

IJFMTS

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The interface of SiCp/Al composites is an important factor affecting the properties of materials, Different interface layers have different interface bonding strengths, which have different effects on the properties of SiCp/Al composites. In this paper, the possible binding energy of interface in SiCp/Al composites is studied, then the influence of the interfacial binding energy on the SiCp/Al composites is analyzed, and the method of controlling the interface of SiCp/Al composites is proposed. Firstly, three interface models that may exist in SiCp/Al composites were constructed in Material Studio software, and the model structure was optimized, then the first-principles simulation of the optimized interfaces model of SiCp/Al composites was carried out, and the interfacial bonding energy of SiC-Al, SiC-SiO 2-Al and SiC-Al 2 O 3-Al was calculated respectively. The order of the interfacial binding energy was: SiC(100)-Al(100) < SiC(100)-SiO 2 (100)-Al(100) < SiC(100)-Al 2 O 3 (100)-Al(100). It can be known from the simulation results that the interfacial bonding energy of the interface layer containing the oxide is large, since the oxide can improve the wettability between the matrix and the reinforcement. Therefore, in order to obtain a well-bonded SiCp/Al composite, the SiC particles are usually surface-modified to regulate the interface of the SiCp/Al composite. Thereby, the SiCp/Al composite material with high interface bonding strength and excellent performance is obtained.

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“…Improved in hardness value revealed the grain refinement, significant dislocation density as well as homogeneous distribution of MWCNTs in Mg after FSP. 35,36 Dry sliding wear analysis Dry sliding wear test was conducted to analyze the wear behavior of MWCNTs/Mg composites and investigated the important insights. The experimental design was adopted as per L 27 orthogonal array and each weight loss for each combination was calculated in grams shown in Table 2.…”

Section: Microhardnessmentioning

confidence: 99%

Microstructural and mechanical studies of multi-walled CNTs/Mg composite fabricated through FSP

Mishra

Iqbal

Arka

et al. 2021

Journal of Composite Materials

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Flourishing trend of aerospace and automobile applications endlessly demand for significantly higher encouraging performance lightweight materials. Potentially Magnesium got limelight for having lightweight physical property and thus has great potential to energize mechanical property by making its composites. Therefore, magnesium composite was fabricated by incorporating multi-walled carbon nanotubes (MWCNTs) as reinforcement into magnesium matrix at volume percentages 10, 20 and 30, respectively through friction stir processing (FSP). Furthermore, the effect of MWCNTs was investigated and validated through various characterizations. The X-ray diffraction (XRD) investigation ensured the existence of parent phases of materials. The mechanical properties of MWCNT/Mg composites such as tensile strength and micro hardness were investigated and found optimum results at 20 vol% MWCNTs. The optimum upsurge in tensile strength attained was twice relative to pure magnesium. Moreover, the wear test was conducted to analyse the wear behaviour. Since the grain growth was obstructed by MWCNTs reinforcement and encouraged to enrich grain refinement, thus the wear resistance was improved. However, the mechanical properties deteriorated beyond 20% due to clustering of reinforcement revealed from fracture study.

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Effect of surface modified silicon carbide particles with Al2O3 and nanocrystalline spinel ZnAl2O4 on mechanical and damping properties of the composite

Cited by 25 publications

References 49 publications

Damping properties of nickel-added modified zinc alloys

Damping properties of nickel-added modified zinc alloys

First-principles Analysis of SiC/Al Composites Interface

Microstructural and mechanical studies of multi-walled CNTs/Mg composite fabricated through FSP

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