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A review on direct hot extrusion technique in recycling of aluminium chips

  • Abdullah WagimanEmail author
  • Mohammad Sukri Mustapa
  • Rosli Asmawi
  • Shazarel Shamsudin
  • Mohd Amri Lajis
  • Yoshiharu Mutoh
ORIGINAL ARTICLE
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Abstract

Recycling of industrial waste is a subject of great importance today in any sector and more so in the aluminium industry. Aluminium recycling could sustain material resources, reduce the usage of energy, ease greenhouse gas emission and save the environment. This study examines the usage of direct hot extrusion of aluminium chip in the recycling of aluminium, focusing on the end product, properties and processing route. The process directly converts the new scrap of aluminium chips generated from industries to aluminium-based composite or aluminium alloys. The properties of the extrudates depend on the process parameters and the alloying elements added to the aluminium chips. High shear strain is required to disperse the oxide layer on the surfaces of the chip, thus permitting a contact between the newly exposed aluminium chips, and is consolidated to form a solid semi-finished product. The technique can be done through various process combinations and routes. The selection of process combination and routes depends on the product type and properties, degree of contamination of chip and size. The technique is proven as a viable method for aluminium recycling.

Keywords

Direct recycling Aluminium chips Hot extrusion 

Notes

Funding information

The work was financially supported by the Ministry of Higher Education of Malaysia, through the grant TIER 1 H085. Additional supports in terms of facilities were also provided by the Sustainable Manufacturing and Recycling Technology, Advanced Manufacturing, and Materials Center (SMART-AMMC), Universiti Tun Hussein Onn Malaysia (UTHM).

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Copyright information

© Springer-Verlag London Ltd., part of Springer Nature 2019

Authors and Affiliations

  • Abdullah Wagiman
    • 1
    Email author
  • Mohammad Sukri Mustapa
    • 1
  • Rosli Asmawi
    • 1
  • Shazarel Shamsudin
    • 2
  • Mohd Amri Lajis
    • 2
  • Yoshiharu Mutoh
    • 3
  1. 1.Structural Integrity and Monitoring Research Group (SIMREG), Faculty of Mechanical and Manufacturing EngineeringUniversiti Tun Hussein Onn MalaysiaJohorMalaysia
  2. 2.Sustainable Manufacturing and Recycling Technology, Advanced Material Manufacturing Center (SMART-AMMC)Universiti Tun Hussein Onn MalaysiaJohorMalaysia
  3. 3.Department of System SafetyNagaoka University of TechnologyNiigataJapan

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