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RETRACTED ARTICLE: Effect of Process Parameters on Tensile Strength of 1018 Mild Steel Joints Fabricated by Microwave Welding

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This article was retracted on 21 February 2019

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Abstract

This paper presents an experimental study on the tensile strength of 1018 mild steel plates joined by microwave welding. Three different microwave ovens with rated power of 800, 850, and 900 W and fixed frequency of 2.45 GHz were used in the present investigation. A nickel (Ni)-based metallic powder (50 μm) was used as an interfacing material between the bulk pieces. Charcoal was used as a susceptor material to facilitate microwave hybrid heating. The rated power of the microwave oven and the welding time and temperature were the principal variables that were controlled to provide the necessary combination of heat to form the weld. The response surface methodology (Box–Behnken method) was chosen to design the experiments. The results show that, with increasing rated power of the microwave oven, the tensile strength decreases, while the tensile strength increases with increasing welding time and temperature. From analysis of variance it is concluded that the welding temperature contributes most, followed by the rated power and welding time. The optimum values of rated power and welding time and temperature were found to be 800 W, 1,000 s, and 800 °C to obtain the maximum tensile strength (predicted 245.2 MPa). There was approximately 4.06 % error between the experimental and modeled results for tensile strength.

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Change history

  • 21 February 2019

    The Editor has retracted this article (1) because concerns have been raised regarding some of the figures. Figure 3 part B appears to be a copy of Figure 3 part A, with some alterations.

  • 21 February 2019

    The Editor has retracted this article (1) because concerns have been raised regarding some of the figures. Figure��3 part B appears to be a copy of Figure��3 part A, with some alterations.

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Authors and Affiliations

  1. Noida Institute of Engineering and Technology, Gautam Buddha Nagar, Greater Noida, 201306, UP, India

    Shashi Prakash Dwivedi

  2. Gautam Buddha University, Gautam Buddha Nagar, Greater Noida, 201310, UP, India

    Satpal Sharma

Authors
  1. Shashi Prakash Dwivedi
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  2. Satpal Sharma
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Correspondence to Shashi Prakash Dwivedi.

Additional information

The Editor has retracted this article because concerns have been raised regarding some of the figures. Figure 3 part B appears to be a copy of Figure 3 part A, with some alterations. The images in Figure 5 parts A, B, C, and D appear to be the same image, with minor alterations to obscure similarities. In Figure 6B, there is an apparent symmetry between the top half and bottom half of the figure (along a horizontal line through the center of the image), which indicates this image may have been created by copying the bottom portion onto the top with a rotation. Therefore the conclusions of this article are unreliable.

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Dwivedi, S.P., Sharma, S. RETRACTED ARTICLE: Effect of Process Parameters on Tensile Strength of 1018 Mild Steel Joints Fabricated by Microwave Welding. Metallogr. Microstruct. Anal. 3, 58–69 (2014). https://doi.org/10.1007/s13632-013-0109-1

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  • DOI: https://doi.org/10.1007/s13632-013-0109-1

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