Characterising the effect of springback on mechanically formed steel plates

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Abstract

In the bending operation, springback causes geometrical inaccuracies of bent parts. To curb springback, various factors such as bending parameters and material properties need to be considered. This paper reports the effects of springback on mechanically formed steel plates. Experimental work using circular bending was conducted to analyse the effect of springback on the formed steel sheets. The sheets were bent using a punch and die having a radius of curvature of 120 mm. In addition, the formed samples were characterized through microstructure, microhardness and tensile results. The results revealed an error due to springback of 4.24%. Furthermore, the Vickers microhardness of the formed samples compared to the parent materials shows an increase of 6% while the Ultimate Tensile Strength also increased by 7%. The effects of strain hardening resulting from the bending process led to the increased hardness and strength of the material. The formed samples had elongated grains when compared to the equiaxed grains of the parent material. The increase in the grains can be attributed to the stretching of the material during the bending process.

Original languageEnglish
Title of host publicationProceedings of the World Congress on Engineering 2013, WCE 2013
Pages475-478
Number of pages4
Publication statusPublished - 2013
Event2013 World Congress on Engineering, WCE 2013 - London, United Kingdom
Duration: 3 Jul 20135 Jul 2013

Publication series

NameLecture Notes in Engineering and Computer Science
Volume1 LNECS
ISSN (Print)2078-0958

Conference

Conference2013 World Congress on Engineering, WCE 2013
Country/TerritoryUnited Kingdom
CityLondon
Period3/07/135/07/13

Keywords

  • Mechanical forming
  • Springback

ASJC Scopus subject areas

  • Computer Science (miscellaneous)

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