Skip to content Skip to navigation
University of Warwick
  • Study
  • |
  • Research
  • |
  • Business
  • |
  • Alumni
  • |
  • News
  • |
  • About

University of Warwick
Publications service & WRAP

Highlight your research

  • WRAP
    • Home
    • Search WRAP
    • Browse by Warwick Author
    • Browse WRAP by Year
    • Browse WRAP by Subject
    • Browse WRAP by Department
    • Browse WRAP by Funder
    • Browse Theses by Department
  • Publications Service
    • Home
    • Search Publications Service
    • Browse by Warwick Author
    • Browse Publications service by Year
    • Browse Publications service by Subject
    • Browse Publications service by Department
    • Browse Publications service by Funder
  • Help & Advice
University of Warwick

The Library

  • Login
  • Admin

Development of a novel testing methodology for in-situ microstructural characterisation during continuous strain path change

Tools
- Tools
+ Tools

Dhara, Sisir, Taylor, Scott, Figiel, Lukasz, Hughes, Darren J. and Hazra, Sumit (2022) Development of a novel testing methodology for in-situ microstructural characterisation during continuous strain path change. Materials Characterization, 183 . 111610. doi:10.1016/j.matchar.2021.111610

[img] PDF
WRAP-development-novel-testing-methodology-in-situ-microstructural-characterisation-during-continuous-strain-path-change-Dhara-2021.pdf - Accepted Version
Embargoed item. Restricted access to Repository staff only until 24 November 2022. Contact author directly, specifying your specific needs. - Requires a PDF viewer.
Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0.

Download (13Mb)
Official URL: https://doi.org/10.1016/j.matchar.2021.111610

Request Changes to record.

Abstract

Strain path transition is a common phenomenon during continuous stamping operations of sheet metal and can potentially alter the forming limit of the material. Enabling strain path change in a single experiment is a key challenge faced by several researchers. To understand the effect of continuous strain path change on material forming limits, detailed material characterisation is needed where the material is deformed while the strain path of the material is changed continuously. In this work, a test method was developed, which consisted of a novel mechanical rig and specimen design. The mechanism allowed DP600 steel and AA5182-O aluminium samples to change strain paths continuously without unloading the specimen. Digital image correlation measurements of the strain evolution of the samples during tests showed that the technique was able to alter the strain path of the sample from uniaxial to biaxial strain path. In particular, the measurements showed that the transition from uniaxial to biaxial strain paths was sharper in DP600 than AA5182-O. The test was repeated in a scanning electron microscope (SEM) chamber to observe the behaviour of the microstructure during the strain path transition. The microstructural strain evolution showed rotation of strain bands while the evolution of electron back scattered diffraction (EBSD) maps conveyed grain rotation during continuous strain path change in both the materials. The strain path transition controlled the rotation of grains with preferred crystallographic orientations.

Item Type: Journal Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TN Mining engineering. Metallurgy
T Technology > TS Manufactures
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Sheet-metal , Metal stamping, Strains and stresses , Finite element method
Journal or Publication Title: Materials Characterization
Publisher: Elsevier
ISSN: 1044-5803
Official Date: January 2022
Dates:
DateEvent
January 2022Published
24 November 2021Available
19 November 2021Accepted
Volume: 183
Article Number: 111610
DOI: 10.1016/j.matchar.2021.111610
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
WMG-IIT PhD ProgrammeUniversity of Warwickhttp://dx.doi.org/10.13039/501100000741

Request changes or add full text files to a record

Repository staff actions (login required)

View Item View Item
twitter

Email us: wrap@warwick.ac.uk
Contact Details
About Us