A multiscale approach for the deformation mechanism in pearlite microstructure: Experimental measurements of strain distribution using a novel technique of precision markers

Masaki Tanaka, Yusuke Yoshimi, Kenji Higashida, Tomotsugu Shimokawa, Tetsuya Ohashi

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Plastic deformation of fully pearlitic steels was investigated using a multiscale approach: experimentally, the finite element method and molecular dynamics. This paper is the first in a series of three papers demonstrating the strain distribution in uniaxial tensile deformation with high-precision markers drawn by electron beam lithography. Strain was measured at loads of 1.98. kN, 2.21. kN and 2.28. kN in tensile deformation. Scanning electron microscopy (SEM) images and strain maps show the plastic deformation of cementite lamellae and homogenous plastic deformation under uniaxial tensile deformation in the area where the cementite lamellae are aligned in the tensile direction. The areas where strain was enhanced were both block/colony boundaries and the areas where the cementite lamellae are inclined approximately 45° to the tensile direction.

Original languageEnglish
Pages (from-to)37-43
Number of pages7
JournalMaterials Science and Engineering A
Volume590
DOIs
Publication statusPublished - Jan 10 2014

Fingerprint

pearlite
cementite
tensile deformation
Pearlite
strain distribution
lamella
markers
plastic deformation
Plastic deformation
microstructure
Microstructure
Electron beam lithography
Steel
finite element method
lithography
steels
electron beams
molecular dynamics
Molecular dynamics
Loads (forces)

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

A multiscale approach for the deformation mechanism in pearlite microstructure : Experimental measurements of strain distribution using a novel technique of precision markers. / Tanaka, Masaki; Yoshimi, Yusuke; Higashida, Kenji; Shimokawa, Tomotsugu; Ohashi, Tetsuya.

In: Materials Science and Engineering A, Vol. 590, 10.01.2014, p. 37-43.

Research output: Contribution to journalArticle

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