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Effect of Al-5Ti-0.25C-0.25B and Al-5Ti-1B Master Alloys on the Microstructure and Mechanical Properties of Al-9.5Si-1.5Cu-0.8Mn-0.6Mg Alloy

Materials, 2023-02, Vol.16 (3), p.1246 [Peer Reviewed Journal]

COPYRIGHT 2023 MDPI AG ;2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2023 by the authors. 2023 ;ISSN: 1996-1944 ;EISSN: 1996-1944 ;DOI: 10.3390/ma16031246 ;PMID: 36770252

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Title:
Effect of Al-5Ti-0.25C-0.25B and Al-5Ti-1B Master Alloys on the Microstructure and Mechanical Properties of Al-9.5Si-1.5Cu-0.8Mn-0.6Mg Alloy
Author: Wen, Yihan ; Wu, Yuying ; Wu, Yongjie ; Gao, Tong ; Wei, Zuoshan ; Liu, Xiangfa
Subjects: Al-Si alloy ; Alloys ; Aluminum alloys ; Analysis ; Elongation ; Extrusion ; Field emission microscopy ; grain refinement ; Grain size ; Heat treatment ; Master alloys ; Mechanical properties ; Microstructure ; Recrystallization ; Specialty metals industry ; Tensile strength ; Tensile tests ; Ultimate tensile strength ; Yield stress
Is Part Of: Materials, 2023-02, Vol.16 (3), p.1246
Description: The goal of this research was to determine how the master alloys Al-5Ti-0.25C-0.25B and Al-5Ti-1B affected the mechanical properties and structural characteristics of the alloy Al-9.5Si-1.5Cu-0.8Mn-0.6Mg. Field emission scanning electron microscopy (FE-SEM) was used to probe the microscopic composition, and the mechanical properties were evaluated using tensile testing. The results showed that, by adding 0.5% Al-5Ti-0.25C-0.25B master alloy and 0.5% Al-5Ti-1B master alloy, the α-Al dendrites can be significantly refined. In the extrusion state, the ultimate tensile strength and elongation with 0.5% Al-5Ti-0.25C-0.25B master alloy reached 380 MPa and 11.2%, which were 5.5% and 22.4% higher than no refinement, respectively. The elongation of the samples with the Al-5Ti-1B alloy addition increased from 9% to 11.9%, which is attributed to the fact that more pronounced complete recrystallization occurred during the extrusion heat treatment.
Publisher: Switzerland: MDPI AG
Language: English
Identifier: ISSN: 1996-1944
EISSN: 1996-1944
DOI: 10.3390/ma16031246
PMID: 36770252
Source: GFMER Free Medical Journals
PubMed Central
ROAD: Directory of Open Access Scholarly Resources
ProQuest Central
DOAJ Directory of Open Access Journals

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Effect of Al-5Ti-0.25C-0.25B and Al-5Ti-1B Master Alloys on the Microstructure and Mechanical Properties of Al-9.5Si-1.5Cu-0.8Mn-0.6Mg Alloy

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