Retracted: Investigating the Fatigue Behaviour of TiO2 Nanoparticle Reinforced AA7071 Aluminium Alloy
J. Environ. Nanotechnol., Volume 13, No 2 (2024) pp. 127-134
The Original Article was published on 17 October 2023.
This article has been retracted at the request of the Editorial Board.
We have clear evidence that the findings are unreliable as a result of fabrication (eg, of data) and falsification (eg, image manipulation).
The paper titled "Investigating the Fatigue Behaviour of TiO2 Nanoparticle Reinforced AA7071 Aluminium Alloy," published in the Journal of Environmental Nanotechnology (ISSN 2279-0748) with DOI: https://doi.org/10.13074/jent.2024.06.242635, has been plagiarized from the paper titled "Experimental and Numerical Investigations of the Fatigue Life of AA2024 Aluminium Alloy-Based Nanocomposite Reinforced by TiO2 Nanoparticles Under the Effect of Heat Treatment," as a source material which is published in the International Journal of Precision Engineering and Manufacturing with DOI: https://doi.org/10.1007/s12541-023-00906-4.
- Figure 1 in the plagiarized paper is taken from the source material to Figure 1.
- Figure 3 in the plagiarized paper is taken from the source material to Figure 5.
- Figure 5 in the plagiarized paper is taken from the source material to Figure 12.
- Table 2 in the plagiarized paper is taken from the source material to Table 3.
- Paragraph 3.2 in the plagiarized paper is taken from source material to Paragraph 3.4.
- It should be noted that the entire practical section has been copied, albeit with some changes in language.
One of the conditions of submission of a paper for publication is that authors declare explicitly that their work is original and has not appeared in a publication elsewhere. As such this article represents an abuse of the scientific publishing system. The scientific community takes a strong view on this matter and apologies are offered to readers of the journal that this was not detected during the submission and assessment process.
We regret any inconvenience caused by this retraction to researchers and readers. The corresponding author is responsible for the retraction.
Abstract
Aluminium metal matrix nanocomposites have become a major focus in the industry as they possess exceptional strength and ductility. The experiment included incorporating TiO2 nanoparticles into the AA7071 alloy at a volume ratio of 5 wt. % using the stir casting technique. The matrix was infused with TiO2 nanoparticles, which had an average particle size of 30 ± 5 nm, using a powder injection method. A study was carried out to assess the influence of different levels of TiO2 on the durability of the material, both before and after undergoing heat treatment. The results indicated that the fatigue properties of AA7071 were enhanced after heat treatment when TiO2 nanoparticles were incorporated. After undergoing heat treatment, a 5 wt. % TiO2 addition resulted in a significant improvement in fatigue properties, leading to a noteworthy 14.71% increase in fatigue life when compared to the base sample. The observed improvement may be ascribed to the larger quantity of finely dispersed precipitates that are evenly distributed after the heat treatment procedure. The fatigue strength of the matrix in composite materials showed a discrepancy of just 4% between the experimental and numerical values. Furthermore, the research found that the absence or decrease in the size of the area without precipitates inside the space between dendrites happened after the aging process. Nevertheless, despite the inclusion of 5 weight percent of titanium and the use of heat treatment, the creation of Al2CuMg precipitates remained unachievable. However, the formation of the Al3TiCu and Al7TiCu phases occurred.
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