Fabrication and Characterization of Aluminum (6061)-Boron-Carbide Functionally Gradient Material

Rao, A. Gourav; Mohape, M.; Katkar, Vikas A.; Gowtam, D. S.; Deshmukh, V. P.; Shah, A. K.

doi:10.1080/10426910903180037

Cited by 48 publications

(11 citation statements)

References 11 publications

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“…[ 16 ] They can be fabricated by various synthetic methods, including CVD/PVD, [ 17 ] surface mechanical grinding treatment, [ 18 ] powder metallurgy, [ 14 ] plasma spraying, [ 14 ] self‐propagating combustion synthesis, [ 14 ] and centrifugal casting. [ 19 ] The continuous changes in the composition of FGMs lead to gradient transitions in their microstructure, inducing systematic variations in thermal conductivity and mechanical strength. [ 14,18,20,21 ] The controlled gradient architecture of FGMs not only provides high mechanical strength but also sustains (a limited) thermal stress.…”

Section: Introductionmentioning

confidence: 99%

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Enhancing Interfacial Contact in Solid‐State Batteries with a Gradient Composite Solid Electrolyte

Deng

Chen

Hou

et al. 2021

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Solid‐state batteries promise to meet the challenges of high energy density and high safety for future energy storage. However, poor interfacial contact and complex manufacturing processes limit their practical applications. Herein, a simple strategy is proposed to enhance interfacial contact by introducing a gradient composite polymer solid electrolyte (GCPE), which is prepared by a facile UV‐curing polymerization technique. The high‐Li6.4La3Zr1.4Ta0.6O12 (LLZTO)‐content side of the electrolyte exhibits high oxidation resistance (5.4 V versus Li+/Li), making it compatible with a high‐voltage cathode material, whereas the LLZTO‐deficient side achieves excellent interfacial contact with the Li metal anode, facilitating uniform Li deposition. Benefiting from the elaborate composition and structure of GCPE films, the symmetric Li//Li cell exhibits a low‐voltage hysteresis potential of 42 mV and a long cycle life of >1900 h without short‐circuiting. The Li//LiFePO4 solid‐state batteries deliver a capacity of 161.0 mA h g−1 at 60 °C and 0.1 C (82.4% capacity is retained after 200 cycles). Even at 80 °C, the cell still shows an outstanding capacity of 132.9 mAh g−1 at 0.2 C after 100 cycles. The design principle of gradient electrolytes provides a new path for achieving enhanced interfacial contact in high‐performance solid‐state batteries.

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Section: Introductionmentioning

confidence: 99%

“…[ 14,18,20,21 ] The controlled gradient architecture of FGMs not only provides high mechanical strength but also sustains (a limited) thermal stress. [ 16,18,19,21,22 ]…”

Section: Introductionmentioning

confidence: 99%

Enhancing Interfacial Contact in Solid‐State Batteries with a Gradient Composite Solid Electrolyte

Deng

Chen

Hou

et al. 2021

Small

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“…(21). A brief discussion on the manufacturing processes for such materials can be found in reference [25] (see also reference [27] for a different type of application of these materials). For the examples discussed below, ζ = 1 is used and the pure material properties are given in Table 2.…”

Section: Fgm 2 Modelmentioning

confidence: 99%

Effect of functionally graded materials on resonances of rotating beams

Mazzei

Scott

2011

Conference Proceedings of the Society for Experimental Mechanics Series

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Radially rotating beams attached to a rigid stem occur in several important engineering applications. Some examples include helicopter blades, turbine blades and certain aerospace applications. In most studies the beams have been treated as homogeneous. Here, with a goal of system improvement, non-homogeneous beams made of functionally graded materials are explored. The effects on the natural frequencies of the system are investigated. Euler-Bernoulli theory, including an axial stiffening effect and variations of both Young's modulus and density, is employed. An assumed mode approach is utilized, with the modes taken to be beam characteristic orthogonal polynomials. Results are obtained via Rayleigh-Ritz method and are compared for both the homogeneous and non-homogeneous cases. It was found, for example, that allowing Young's modulus and density to vary by approximately 2.15 and 1.15 times, respectively, leads to an increase of 23% in the lowest bending rotating natural frequency of the beam.

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“…[5][6][7] Many aspects of Al-B 4 C composites have been investigated in the literature. This includes study of fabrication and microstructures, [8][9][10] chemical reactivity, 11,12 wettability between Al and B 4 C particles, [13][14][15][16][17] workability 18 and strength enhancement by severe plastic deformation techniques. [19][20][21][22][23][24][25][26][27][28] However, there appears limited literature on high temperature flow properties of these composites.…”

Section: Introductionmentioning

confidence: 99%

Effects of temperature and strain rate on compressive flow behavior of aluminum-boron carbide composites

Gangolu

Rao

Prabhu

et al. 2013

Journal of Composite Materials

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Flow properties of aluminum and aluminum-boron carbide (Al-B4C) composites, containing 5, 10 and 15 wt% B4C, were investigated by compression tests at strain rates of 10−4, 10−3 and 10−2 s−1 over the temperature range 25 to 500℃. The nature of stress–strain curves as a function of reinforcement, temperature and strain rate revealed that (1) flow stress initially increases as the reinforcement increases, but it decreases for Al-15% B4C composite, (2) flow stress increases with the increase in strain rate, with the strain rate sensitivity index varying from 0.01 for aluminum at 200℃ to 0.30 for Al-5% B4C composite. The activation energy for deformation is found to vary from 124 to 187 kJ/mol for Al-15% B4C and Al-5% B4C composites, respectively.

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Fabrication and Characterization of Aluminum (6061)-Boron-Carbide Functionally Gradient Material

Cited by 48 publications

References 11 publications

Enhancing Interfacial Contact in Solid‐State Batteries with a Gradient Composite Solid Electrolyte

Enhancing Interfacial Contact in Solid‐State Batteries with a Gradient Composite Solid Electrolyte

Effect of functionally graded materials on resonances of rotating beams

Effects of temperature and strain rate on compressive flow behavior of aluminum-boron carbide composites

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