Characteristics of ADC12/nano Al2O3composites with Addition of Ti Produced by Stir Casting Method

A. Zulfia, Krisiphala, D. Ferdian, B. W. Utomo, D. Dhaneswara

Research output: Contribution to journalConference articlepeer-review

3 Citations (Scopus)

Abstract

The mechanical properties and microstructure of ADC12/nano Al2O3 matrix composites have been studied in this work. The composites were produced by stir casting method. ADC 12 as matrix composites was combined by Mg and Ti. The addition of Ti was varied from 0.02 to 0.08 wt-% as grain refinement wetting to improve mechanical properties such as tensile strength, hardness and wear resistance, while Mg addition was to promote wetting between ADC 12 and nano Al2O3. The optimum tensile strength was found at 0.04 wt-% addition of Ti with value of 132.5 MPa, further adding more Ti cause a poisoning mechanism that will hindered the grain refining process and reduce the tensile strength. The hardness and wear resistance of composites would also increase because of the refinement process. and the added Magnesium in the material that will form Mg2Si primary phases who have a high hardness value.

Original languageEnglish
Article number012046
JournalIOP Conference Series: Materials Science and Engineering
Volume333
Issue number1
DOIs
Publication statusPublished - 6 Apr 2018
Event2nd International Conference on Advanced Material for Better Future 2017, ICAMBF 2017 - Surakarta, Indonesia
Duration: 4 Sep 20175 Sep 2017

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