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Metallurgical and Materials Transactions B

Effects of Grain Refinement on Tensile Properties and Precipitation Kinetics of Al-Si-Mg Alloys Cast in Sand Molds

  • 28-07-2020
  • Communication
Published in:
Authors
Feiyang Chen
Tao Lu
Ye Pan
Published in
Metallurgical and Materials Transactions B | Issue 5/2020

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Abstract

Effects of grain refinement on the tensile properties and precipitation kinetics of Al-Si-Mg alloys cast in sand molds by co-alloying of La–B elements were investigated in this work. The kinetics of precipitation after refinement were investigated, including the changes of the precipitation mechanism and decrease of the precipitation activation energy. The reduction of the Avrami exponent indicates the major precipitation mechanism transforms in A359 alloys. Meanwhile, a modified aging process is obtained, which considerably promotes the mechanical properties.

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previous article Thermal Properties of Söderberg Electrode Materials
next article A Novel Modeling Method of Slag Foaming in BOF
Title
Effects of Grain Refinement on Tensile Properties and Precipitation Kinetics of Al-Si-Mg Alloys Cast in Sand Molds
Authors
Feiyang Chen
Tao Lu
Ye Pan
Publication date
28-07-2020
Publisher
Springer US
Published in
Metallurgical and Materials Transactions B / Issue 5/2020
Print ISSN: 1073-5615
Electronic ISSN: 1543-1916
DOI
https://doi.org/10.1007/s11663-020-01910-z
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  • Open Access
  • Topical Collection: Liquid Metal Processing & Casting Conference 2019

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