Influence of CeO2 reinforcement on microstructure, mechanical and wear behaviour of AA2219 squeeze cast composites

Karthik, A.; Srinivasan, S.A.; Karunanithi, R.; Babu, S.P. Kumaresh; Jain, Vikram

doi:10.1016/j.jmrt.2021.06.056

Cited by 12 publications

(5 citation statements)

References 31 publications

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“…, we see that30.08 (with a 95 % confidence interval from 31.72 to 32.45 MPa) is the mean value of the interlaminar shear strength of the material after immersion tests into the machine oil, sea, and process water solutions over the exposure time of 0 days at any temperature. Also, we can say that this value of 30.08 MPa is statistically different from zero (t-value = 176.14, p-value < 0.001).…”

mentioning

confidence: 88%

“…For example, such methods were utilized to examine the effects of various reinforcement types on properties of wood polymer composites before and after aging [22], the effect of hydrothermal aging (thermal cycles from -28 °C to 85 °C in air, distilled water and salt water) on the mechanical resistance of single lap bonded CFRP joints [23], sample orientation and geometry on the mechanical response of additively manufactured commercially pure titanium [24], different implant abutment designs on fracture resistance and bending moment [25], different storage media and exposure time on the hardness of CAD/CAM composite blocks [26]. Furthermore, those techniques are widely used to indicate the most contributing input parameters and select the optimal combination of them to obtain the required results [27][28][29][30][31]. In the current study, a statistical approach using ANCOVA multiple linear regression analysis was used to investigate the effects of 3 different aggressive environments, temperature, exposure time, and their interactions on mechanical properties of structural GFRP, to assess which factors are statistically significant and to develop a prediction model.…”

Section: Introductionmentioning

confidence: 99%

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Statistical evaluation of the effect of hygrothermal aging on the interlaminar shear of GFRP

Лобанов

Yankin

Berdnikova

2022

Frattura Ed Integrità Strutturale

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Изучение закономерностей изменения свойств, накопления повреждений и разрушения конструкционных композитов после гигротермического старения представляет собой актуальное и важное направление. В работе представлены результаты механических испытаний на межслойный сдвиг образцов электротехнического конструкционного стеклопластика и эпоксидного композита до и после предварительного гигротермического старения в рабочих средах (техническая вода, морская вода, машинное масло) различной продолжительности (15, 30 и 45 суток. ) и различных температур (22, 60 и 90ºС). Результаты испытаний были использованы для статистической оценки значимости немонотонных изменений прочности в случае межслойного сдвига после предварительного гигротермического старения относительно номинального материала с использованием ANCOVA и регрессионного анализа. Такие методы показали, что морские и технологические водные растворы отрицательно влияют на прочность на межслойный сдвиг, но их влияние было немного различным и сильно зависело от эффекта взаимодействия между временем воздействия и температурой раствора. Таким образом, максимальная разница составляет около 15% и 12% после 45 дней внутри технологической и морской воды при температуре 90 ºC соответственно. Напротив, воздействие машинного масла привело к увеличению прочности, но эффект более слабый по сравнению с водными растворами (около 6%).

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confidence: 88%

Section: Introductionmentioning

confidence: 99%

Statistical evaluation of the effect of hygrothermal aging on the interlaminar shear of GFRP

Лобанов

Yankin

Berdnikova

2022

Frattura Ed Integrità Strutturale

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“…REEs have the effect of grain refinement; the grain sizes of AA2219 composites reinforced with 0, 0.5, 1.0, 1.5, and 2 wt.% CeO 2 are 483 µm, 453 µm, 411 µm, 362 µm, and 328 µm, respectively [56]. The incorporation of CeO 2 significantly reduces the dendritic morphology and refines the α-Al grain structure.…”

Section: Mechanism Of Rees On the Refinement Of Microstructurementioning

confidence: 99%

Effects of Rare Earths on Microstructure and Wear Resistance in Metal Additive Manufacturing: A Review

Xiang,

Wang,

Zheng

et al. 2024

Coatings

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Rare earth elements (REEs) doping technology can effectively control the microstructure and improve the quality and performance of materials. This paper summarizes the research progress of REEs in metal additive manufacturing (MAM) in recent years and briefly introduces the effects of REEs on the molten pool fluidity, purified structure, and interfacial bonding between the molten cladding layer and substrate. It focuses on the mechanism of the role of REEs in the refinement and homogenization of microstructures, including grain growth, columnar to equiaxed transition (CET), and elemental segregation. The reasons for the influence of REEs on the homogenization of the structure and elemental segregation are analyzed. The effects of REE type, content, and dimension on hardness and wear resistance are investigated. Finally, tribological applications of REEs in biological and high-temperature environments are summarized, and the impact of REEs-modified alloys is summarized and prospected.

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“…The appearance of cerium oxide is that of a pale yellow-white colour powder and plays a vital role in purification of ores by performing as an intermediate content. The stand out point of this material is in its ability to undergo reversible conversion to a non-stoichiometric oxide [20].…”

Section: Matrix and Reinforcementsmentioning

confidence: 99%

Mechanical, Wear, and Fracture Behavior of Titanium Diboride (TiB2) - Cerium Oxide (CeO2) Reinforced Al-6061 Hot-rolled Hybrid Composites

Iyengar

Sethuramu

Ravikumar

2022

Frattura Ed Integrità Strutturale

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Development of aluminium composites by stircasting technique is an effective method for fabrication of better quality of MMCs. Stircasting technique is one of the most commonly accepted techniques. In this research work, Al6061 / TiB2+CeO2 hybrid MMCs have been fabricated with varying wt. % of TiB2 (2.5%, 5%, 7.5% and 10%) particulates and constant 5% of CeO2 particulates. The monolithic alloy and hybrid composite were hot-rolled at a temperature of 515°C. Whereas, both the monolithic and hot-rolled hybrid composite was subjected to micro-structural study, hardness and tensile test. Optical microscope analysis revealed uniform dispersal of hard particles with in the base matrix in case of both of ascast and hot-rolled composites. Both ascast and hotrolled hybrid composites have shown extensive enhanced mechanical behavior and high wear resistance when compared with monolithic alloy. Though, ductility of the hybrid MMCs decreased with increasing TiB2 and CeO2 content. A tensile and wear fractography outcome shows the internal fractured structure of a tensile and wear specimen which was analysed using a SEM analysis.

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Influence of CeO2 reinforcement on microstructure, mechanical and wear behaviour of AA2219 squeeze cast composites

Cited by 12 publications

References 31 publications

Statistical evaluation of the effect of hygrothermal aging on the interlaminar shear of GFRP

Statistical evaluation of the effect of hygrothermal aging on the interlaminar shear of GFRP

Effects of Rare Earths on Microstructure and Wear Resistance in Metal Additive Manufacturing: A Review

Mechanical, Wear, and Fracture Behavior of Titanium Diboride (TiB2) - Cerium Oxide (CeO2) Reinforced Al-6061 Hot-rolled Hybrid Composites

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