Failure analysis of overdrive gear of passenger car gearbox fabricated from powder metallurgy

Nejad, Reza Masoudi; Aliakbari, Karim; Abbasnia, Shahab Kamel; Langari, Jafar

doi:10.1016/j.engfailanal.2022.106683

Cited by 5 publications

(2 citation statements)

References 55 publications

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“…Numerical simulations are frequently employed to predict the mechanical behavior of metals and polymers [ 19 , 20 , 21 ]. However, numerical predictions of the mechanical behavior of natural fiber composites with polymer matrix produced by FFF technology are still in the early stages of research.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Study of Printing Strategy Impact on the Mechanical Properties of Sustainable PLA Materials

Spišák,

Nováková-Marcinčínová,

Majerníková

et al. 2023

Polymers

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This article is focused on a mechanical properties investigation of three types of sustainable poly lactic acid materials manufactured using the fused filament fabrication process. The purpose of this work was to study the impact of printing strategies on the mechanical properties and predict mechanical behavior under tensile loading using finite element analysis. The testing of mechanical properties was conducted according to the ISO 527 standard. The numerical simulations were conducted in Simufact Forming 2022 software. Analysis of the experimental data showed a dependance of mechanical properties on the used printing strategy. The Clear PLA samples printed in the XY plane exhibited a 43% reduction in tensile strength and a 49% reduction in elongation compared to samples printed from the same material in YZ plane. The experimental results show the influence of the printing orientation on the mechanical properties of 3D-printed samples.

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Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Study of Printing Strategy Impact on the Mechanical Properties of Sustainable PLA Materials

Spišák,

Nováková-Marcinčínová,

Majerníková

et al. 2023

Polymers

View full text Add to dashboard Cite

show abstract

“…Ongoing efforts are mainly devoted to the reliability of engineering systems [6][7][8] and improvements in materials' properties [9][10][11]. For instance, in the case of machinery operating with contaminated fluids, erosion and deposition phenomena [12][13][14] induce long-term alterations in the material's structure, resulting in performance deterioration, heightened noise and vibration, and ultimately, premature and unforeseen component failure [15][16][17].…”

Section: Introductionmentioning

confidence: 99%

Microstructural Investigation and Impact Strength of Sinter-Hardened PM Steels: Influence of Ni Content and Tempering Temperature

Suman,

Fortini,

Vezzani

et al. 2023

Metals

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This study analyzed the influence of tempering treatment temperature on the microstructural and mechanical behavior of two different powder metallurgy steels containing 0 wt. % Ni and 4 wt. % Ni. The evolution of the microstructure and the macro- and microhardness of the microstructural constituents resulting from tempering treatments conducted on the sinter-hardened materials at temperatures ranging from 160 °C to 300 °C were investigated. The role of the tempering conditions in the impact behavior was assessed using Charpy tests on V-notched and unnotched samples, tempered at 180 °C, 220 °C and 280 °C. The observed macrohardness reduction with increasing tempering temperature was related to martensite transformations. At high tempering temperatures, the remarkable loss in impact energy values was attributed to microfracture modes. The contribution of Ni-rich austenite areas in enhancing impact strength was detected.

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Fractographic investigation and microstructural characterization of a diffusion-bonded sinter-hardened steel: A case study

Vezzani,

Fortini,

Blum

et al. 2023

Engineering Failure Analysis

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Failure analysis of overdrive gear of passenger car gearbox fabricated from powder metallurgy

Cited by 5 publications

References 55 publications

Experimental and Numerical Study of Printing Strategy Impact on the Mechanical Properties of Sustainable PLA Materials

Experimental and Numerical Study of Printing Strategy Impact on the Mechanical Properties of Sustainable PLA Materials

Microstructural Investigation and Impact Strength of Sinter-Hardened PM Steels: Influence of Ni Content and Tempering Temperature

Fractographic investigation and microstructural characterization of a diffusion-bonded sinter-hardened steel: A case study

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