Effects of Ti addition on the microstructures and mechanical properties of the Al-Mn-Mg-RE alloy

Fulin Jiang, Hui Zhang, Xianna Meng, Luoxing Li

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The effects of higher Ti addition (near peritectic point) on microstructures and mechanical properties of a designed Al-Mn-Mg-RE alloy were investigated by optical microscopy, scanning electron microscopy, energy dispersive spectroscopy and tensile tests, respectively. The results show that the addition of Ti refined grains evidently, meliorated the morphology and distribution of iron-rich phase, and hence improved the mechanical properties of the Al-Mn-Mg-RE alloy. The fracture mechanisms changed from brittle fracture to ductile fracture after extruding. The addition of Ti refined the constituent particles and resulted in deeper and more homogenized dimples of the tensile fracture surfaces.

Original languageEnglish
Pages (from-to)280-285
Number of pages6
JournalMaterials and Design
Volume55
DOIs
Publication statusPublished - Jan 1 2014

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Mechanical properties
Microstructure
Ductile fracture
Brittle fracture
Optical microscopy
Energy dispersive spectroscopy
Iron
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Effects of Ti addition on the microstructures and mechanical properties of the Al-Mn-Mg-RE alloy. / Jiang, Fulin; Zhang, Hui; Meng, Xianna; Li, Luoxing.

In: Materials and Design, Vol. 55, 01.01.2014, p. 280-285.

Research output: Contribution to journalArticle

Jiang, Fulin ; Zhang, Hui ; Meng, Xianna ; Li, Luoxing. / Effects of Ti addition on the microstructures and mechanical properties of the Al-Mn-Mg-RE alloy. In: Materials and Design. 2014 ; Vol. 55. pp. 280-285.
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