On the Formability of Ultrasonic Additive Manufactured Al-Ti Laminated Composites

İrfan Kaya, Ömer Necati Cora, Doğan Acar, Muammer Koç

Research output: Contribution to journalArticle

Abstract

Ultrasonic additive manufacturing (UAM), different from most of additive manufacturing technologies, enables manufacturing of composite parts consisting of two or more materials. The current study focuses on mechanical characterization of Al-Ti laminated composites. For this purpose, first, Al-Ti laminates were built onto a 1.527-mm-thick aluminum substrate by means of UAM with different number of layer configurations (e.g., 1,3,5 bi-layers). Then, fabricated samples were subjected to uniaxial tensile and biaxial hydraulic bulge tests at the different temperatures, deformation rates, and sample orientations. Results yielded different failure mechanisms and distinct mechanical properties depending on the test type, condition, and number of bi-layer configurations. For example, delamination was observed for 3 bi-layer sample configuration while curling was experienced at elevated temperature tests due to different thermal conductivity properties of Al and Ti. The highest strain value of 0.46 was obtained at 573 K (300 °C) temperature for 5 bi-layered tensile test samples.

Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalMetallurgical and Materials Transactions A: Physical Metallurgy and Materials Science
DOIs
Publication statusAccepted/In press - 3 Jul 2018

Fingerprint

3D printers
Laminated composites
Formability
manufacturing
ultrasonics
Ultrasonics
composite materials
configurations
Aluminum
Delamination
Temperature
Laminates
Thermal conductivity
tensile tests
Hydraulics
hydraulics
laminates
temperature
Mechanical properties
thermal conductivity

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Metals and Alloys

Cite this

On the Formability of Ultrasonic Additive Manufactured Al-Ti Laminated Composites. / Kaya, İrfan; Cora, Ömer Necati; Acar, Doğan; Koç, Muammer.

In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science, 03.07.2018, p. 1-14.

Research output: Contribution to journalArticle

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