Metallurgical Analyses of Welding Using a Developed Mini-Robot

Oladebeye Dayo Hephzibah; Adejuyigbe Samuel Babatope; Kareem Biliyaminu

doi:doi:10.11648/j.ajmme.20200402.12

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Metallurgical Analyses of Welding Using a Developed Mini-Robot

Oladebeye Dayo Hephzibah, Adejuyigbe Samuel Babatope, Kareem Biliyaminu

Published in American Journal of Mechanical and Materials Engineering (Volume 4, Issue 2)

Received: 10 May 2020 Accepted: 25 May 2020 Published: 15 June 2020

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Abstract

This research work addressed the mechanical and microstructural properties of welded joints. The results show the minimum average hardness values as 133.83, 102.13, 103.42, 95.15, 96.78 and 117.50 for various mini-robot welded mild steel plates of thickness 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm and 1.0 mm, while the maximum average hardness values were as 145.67, 119.08, 113.28, 106.58, 113.42 and 137.75 respectively. Results of the research have shown that the robot welding samples produced are high in hardness. This is responsible for low tensile stress values that may also mean low mini-robot welded sample extension. The robot welding samples developed gave low tensile strain values and this was expected because the robot welding samples developed had high hardness, low extension and low tensile stress. The microstructural study shows that the welded mini-robot samples had more fine structure than coarse (which is more pearlite than ferrite). The built welding robot has also provided a wide range of welding speeds from experimentation, significantly less welding time, wide weld length. The built welding robot has a range of welding time (4.7-32.94s), welding speed starting at 4.41mm / s over the same range of 0.5-1.0 mm thicknesses for the mild steel plate and weld length. The thicker the mild steel plate, the lower the welding time and the higher the welding speed. This is valid when the built welding robot was used. The built welding robot worked very well and the results of Microstructural Analyses presented quality welds.

Published in	American Journal of Mechanical and Materials Engineering (Volume 4, Issue 2)
DOI	10.11648/j.ajmme.20200402.12
Page(s)	26-36
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2020. Published by Science Publishing Group

Keywords

Metallurgy, Robot Arc Welding, Microstructure, Tensile Strength, Brinell Hardness

References

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[6]	Lopez-Juarez, I., Rios-Cabrera, R., & Davila-Rios, I. (2010). Implementation of an intelligent robotized gmaw welding cell, part 2: Intuitive visual programming tool for trajectory learning.
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[9]	Rahman, M. M., Bakar, R. A., Noor, M. M., Rejab, M. R. M., & Sani, M. S. M. (2008). Fatigue life prediction of spot-welded structures: A finite element analysis approach European Journal of Scientific Research (Vol. 22, pp. 444-456).
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[16]	Oladebeye D. H, 2Adejuyigbe S. B., 3Kareem B (2020). Predictive Model Development for Welding Mini-robot, International Journal of Engineering Development and Research, 8 (2): 275-288.
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APA Style

Oladebeye Dayo Hephzibah, Adejuyigbe Samuel Babatope, Kareem Biliyaminu. (2020). Metallurgical Analyses of Welding Using a Developed Mini-Robot. American Journal of Mechanical and Materials Engineering, 4(2), 26-36. https://doi.org/10.11648/j.ajmme.20200402.12

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ACS Style

Oladebeye Dayo Hephzibah; Adejuyigbe Samuel Babatope; Kareem Biliyaminu. Metallurgical Analyses of Welding Using a Developed Mini-Robot. Am. J. Mech. Mater. Eng. 2020, 4(2), 26-36. doi: 10.11648/j.ajmme.20200402.12

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AMA Style

Oladebeye Dayo Hephzibah, Adejuyigbe Samuel Babatope, Kareem Biliyaminu. Metallurgical Analyses of Welding Using a Developed Mini-Robot. Am J Mech Mater Eng. 2020;4(2):26-36. doi: 10.11648/j.ajmme.20200402.12

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@article{10.11648/j.ajmme.20200402.12,
  author = {Oladebeye Dayo Hephzibah and Adejuyigbe Samuel Babatope and Kareem Biliyaminu},
  title = {Metallurgical Analyses of Welding Using a Developed Mini-Robot},
  journal = {American Journal of Mechanical and Materials Engineering},
  volume = {4},
  number = {2},
  pages = {26-36},
  doi = {10.11648/j.ajmme.20200402.12},
  url = {https://doi.org/10.11648/j.ajmme.20200402.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmme.20200402.12},
  abstract = {This research work addressed the mechanical and microstructural properties of welded joints. The results show the minimum average hardness values as 133.83, 102.13, 103.42, 95.15, 96.78 and 117.50 for various mini-robot welded mild steel plates of thickness 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm and 1.0 mm, while the maximum average hardness values were as 145.67, 119.08, 113.28, 106.58, 113.42 and 137.75 respectively. Results of the research have shown that the robot welding samples produced are high in hardness. This is responsible for low tensile stress values that may also mean low mini-robot welded sample extension. The robot welding samples developed gave low tensile strain values and this was expected because the robot welding samples developed had high hardness, low extension and low tensile stress. The microstructural study shows that the welded mini-robot samples had more fine structure than coarse (which is more pearlite than ferrite). The built welding robot has also provided a wide range of welding speeds from experimentation, significantly less welding time, wide weld length. The built welding robot has a range of welding time (4.7-32.94s), welding speed starting at 4.41mm / s over the same range of 0.5-1.0 mm thicknesses for the mild steel plate and weld length. The thicker the mild steel plate, the lower the welding time and the higher the welding speed. This is valid when the built welding robot was used. The built welding robot worked very well and the results of Microstructural Analyses presented quality welds.},
 year = {2020}
}

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TY - JOUR
T1 - Metallurgical Analyses of Welding Using a Developed Mini-Robot
AU - Oladebeye Dayo Hephzibah
AU - Adejuyigbe Samuel Babatope
AU - Kareem Biliyaminu
Y1 - 2020/06/15
PY - 2020
N1 - https://doi.org/10.11648/j.ajmme.20200402.12
DO - 10.11648/j.ajmme.20200402.12
T2 - American Journal of Mechanical and Materials Engineering
JF - American Journal of Mechanical and Materials Engineering
JO - American Journal of Mechanical and Materials Engineering
SP - 26
EP - 36
PB - Science Publishing Group
SN - 2639-9652
UR - https://doi.org/10.11648/j.ajmme.20200402.12
AB - This research work addressed the mechanical and microstructural properties of welded joints. The results show the minimum average hardness values as 133.83, 102.13, 103.42, 95.15, 96.78 and 117.50 for various mini-robot welded mild steel plates of thickness 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm and 1.0 mm, while the maximum average hardness values were as 145.67, 119.08, 113.28, 106.58, 113.42 and 137.75 respectively. Results of the research have shown that the robot welding samples produced are high in hardness. This is responsible for low tensile stress values that may also mean low mini-robot welded sample extension. The robot welding samples developed gave low tensile strain values and this was expected because the robot welding samples developed had high hardness, low extension and low tensile stress. The microstructural study shows that the welded mini-robot samples had more fine structure than coarse (which is more pearlite than ferrite). The built welding robot has also provided a wide range of welding speeds from experimentation, significantly less welding time, wide weld length. The built welding robot has a range of welding time (4.7-32.94s), welding speed starting at 4.41mm / s over the same range of 0.5-1.0 mm thicknesses for the mild steel plate and weld length. The thicker the mild steel plate, the lower the welding time and the higher the welding speed. This is valid when the built welding robot was used. The built welding robot worked very well and the results of Microstructural Analyses presented quality welds.
VL - 4
IS - 2
ER -

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Author Information

Oladebeye Dayo Hephzibah

Department of Mechanical Engineering Technology, Federal Polytechnic, Ado-Ekiti, Nigeria
Adejuyigbe Samuel Babatope

Mechatronics Engineering Department, Federal University, Oye-Ekiti, Nigeria
Kareem Biliyaminu

Industrial and Production Engineering Department, Federal University of Technology, Akure, Nigeria

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APA Style

Oladebeye Dayo Hephzibah, Adejuyigbe Samuel Babatope, Kareem Biliyaminu. (2020). Metallurgical Analyses of Welding Using a Developed Mini-Robot. American Journal of Mechanical and Materials Engineering, 4(2), 26-36. https://doi.org/10.11648/j.ajmme.20200402.12

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ACS Style

Oladebeye Dayo Hephzibah; Adejuyigbe Samuel Babatope; Kareem Biliyaminu. Metallurgical Analyses of Welding Using a Developed Mini-Robot. Am. J. Mech. Mater. Eng. 2020, 4(2), 26-36. doi: 10.11648/j.ajmme.20200402.12

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AMA Style

Oladebeye Dayo Hephzibah, Adejuyigbe Samuel Babatope, Kareem Biliyaminu. Metallurgical Analyses of Welding Using a Developed Mini-Robot. Am J Mech Mater Eng. 2020;4(2):26-36. doi: 10.11648/j.ajmme.20200402.12

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@article{10.11648/j.ajmme.20200402.12,
  author = {Oladebeye Dayo Hephzibah and Adejuyigbe Samuel Babatope and Kareem Biliyaminu},
  title = {Metallurgical Analyses of Welding Using a Developed Mini-Robot},
  journal = {American Journal of Mechanical and Materials Engineering},
  volume = {4},
  number = {2},
  pages = {26-36},
  doi = {10.11648/j.ajmme.20200402.12},
  url = {https://doi.org/10.11648/j.ajmme.20200402.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmme.20200402.12},
  abstract = {This research work addressed the mechanical and microstructural properties of welded joints. The results show the minimum average hardness values as 133.83, 102.13, 103.42, 95.15, 96.78 and 117.50 for various mini-robot welded mild steel plates of thickness 0.5 mm, 0.6 mm, 0.7 mm, 0.8 mm, 0.9 mm and 1.0 mm, while the maximum average hardness values were as 145.67, 119.08, 113.28, 106.58, 113.42 and 137.75 respectively. Results of the research have shown that the robot welding samples produced are high in hardness. This is responsible for low tensile stress values that may also mean low mini-robot welded sample extension. The robot welding samples developed gave low tensile strain values and this was expected because the robot welding samples developed had high hardness, low extension and low tensile stress. The microstructural study shows that the welded mini-robot samples had more fine structure than coarse (which is more pearlite than ferrite). The built welding robot has also provided a wide range of welding speeds from experimentation, significantly less welding time, wide weld length. The built welding robot has a range of welding time (4.7-32.94s), welding speed starting at 4.41mm / s over the same range of 0.5-1.0 mm thicknesses for the mild steel plate and weld length. The thicker the mild steel plate, the lower the welding time and the higher the welding speed. This is valid when the built welding robot was used. The built welding robot worked very well and the results of Microstructural Analyses presented quality welds.},
 year = {2020}
}

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