Creep properties and failure mechanisms of aluminum alloy and aluminum matrix silicon oxide nano-composite under working conditions in engine pistons

Azadi, Mohammad; Aroo, Hanieh

doi:10.1088/2053-1591/ab455f

Cited by 9 publications

(18 citation statements)

References 39 publications

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“…To reinforce the material, SiO2 nano-particles were used to add into the aluminum matrix. Azadi and Aroo [38] reported that 2% SiO2 nano-particles reduced the creep lifetime of the material. Therefore, in this research, the weight percentage was considered as 1%.…”

Section: Experimental Workmentioning

confidence: 99%

“…After casting, nanocomposite specimens were also heat treated at 500°C for 5 h, quenched in water and aged at 180°C for 9 h [39]. More details for fabricating samples could be seen in the literature [38]. For the experimental investigation, creep tests were carried out on the studied material, based on the ASTM-E139-11 standard [40].…”

Section: Experimental Workmentioning

confidence: 99%

“…The applied stress was 100 MPa in all creep tests on both materials. This loading case was considered due to working conditions of engine pistons [38]. However, the temperature was considered as 250, 275 and 300°C.…”

Section: Experimental Workmentioning

confidence: 99%

“…Besides, this article has been presented to complete previous researches [1][2][3]. It should be noted that in the literature [38], 2% SiO2 nanoparticles were added to the aluminum alloy, which led to lower creep properties. In this report, the weight percentage of nano-particles reduced to 1% and creep experiments were done under different temperatures.…”

Section: Introductionmentioning

confidence: 96%

“…Moreover, creep properties of the nano-composite were rarely published. Different nano-particles were introduced such as CNT [33], SiC [35], TiC [37], Al2O3 and CuO [38], with the weight percentage of 1-4% [35,38]. In addition, creep behaviors of piston aluminumsilicon alloys, with and without SiO2 nano-particles, as a special case study, were experimentally studied in this research.…”

Section: Introductionmentioning

confidence: 99%

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Temperature Effect on Creep and Fracture Behaviors of Nano-SiO2-composite and AlSi12Cu3Ni2MgFe Aluminum Alloy

Azadi

Aroo

2020

IJE

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In the presented article, the temperature effect was studied on creep properties and fracture behaviors of AlSi12Cu3Ni2MgFe aluminum-silicon alloys, unreinforced and reinforced with SiO2 nano-particles. For such objective, standard specimens were fabricated by gravity casting and stir-casting methods, for aluminum alloys and nano-composites, respectively. Then, force-controlled creep testing was performed on standard specimens at 250, 275 and 300°C, under 100 MPa. Then, to find failure mechanisms, the fracture surface of test samples was also analyzed by the field emission scanning electron microscopy. Experimental results depicted the temperature changed creep behaviors of both materials, effectively. Moreover, a significant improvement in creep properties was observed by reinforcing the aluminum matrix with nano-particles, besides a heat treatment process. Such an increase in the creep lifetime was higher at 300°C. In addition, the fracture surface investigation of both materials implied the same brittle behavior, with quasi-cleavage marks. The failure location changed from inside the intermetallic phase into boundaries of the intermetallic phase in the nano-composite.

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Section: Experimental Workmentioning

confidence: 99%

Section: Experimental Workmentioning

confidence: 99%

Section: Experimental Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Temperature Effect on Creep and Fracture Behaviors of Nano-SiO2-composite and AlSi12Cu3Ni2MgFe Aluminum Alloy

Azadi

Aroo

2020

IJE

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Sensitivity analysis for effects of heat treatment, stress, and temperature on AlSi12CuNiMg aluminum alloy behavior under force-controlled creep loading

2021

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Corrosion Effects on High‐cycle Fatigue Lifetime and Fracture Behavior for Heat‐treated Aluminum‐matrix Nano‐clay‐composite Compared to Piston Aluminum Alloy

Aroo

Azadi

2021

Silicon

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In this research, the corrosion effect has been investigated on the high-cycle fatigue lifetime and the fracture behavior for the heat-treated aluminum-matrix nano-clay-composite and piston aluminum alloys. For this objective, after fabricating stir-casted nano-clay-composite, standard samples were machined and rotary bending fatigue tests were performed. To study the corrosion effect, some specimens were corroded in in the 0.00235% H 2 SO 4 solution after 200 hours and then, they were tested under cyclic bending loading. Due to increase in the hardness by adding nano-clay particles and the heat treatment, higher fatigue strength occurred, compared to the base material. Nano-clay particles shortened the fatigue lifetime; however, this effect was less in the corrosion-fatigue lifetime. Moreover, the failure mechanism was the brittle fracture behavior due to the observation of quasi-cleavage and cleavage marks.

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Creep properties and failure mechanisms of aluminum alloy and aluminum matrix silicon oxide nano-composite under working conditions in engine pistons

Cited by 9 publications

References 39 publications

Temperature Effect on Creep and Fracture Behaviors of Nano-SiO2-composite and AlSi12Cu3Ni2MgFe Aluminum Alloy

Temperature Effect on Creep and Fracture Behaviors of Nano-SiO2-composite and AlSi12Cu3Ni2MgFe Aluminum Alloy

Sensitivity analysis for effects of heat treatment, stress, and temperature on AlSi12CuNiMg aluminum alloy behavior under force-controlled creep loading

Corrosion Effects on High‐cycle Fatigue Lifetime and Fracture Behavior for Heat‐treated Aluminum‐matrix Nano‐clay‐composite Compared to Piston Aluminum Alloy

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