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March 26, 2026MATERIALS TRANSACTIONS1 citations

Fabrication of Aluminum Alloys with Open-Channel and Columnar Structure through Ceramic Fiber Template Method and Wire-Extraction Method

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HNHideo Nakajima

Key Points

  • This research aims to develop aluminum alloys with an open-channel structure using an innovative fabrication method.
  • Casting aluminum alloy melts using a wire-extraction technique.
  • Embedding stainless steel wires coated with boron nitride and alumina in the molten aluminum.
  • Extracting wires post-solidification using a tensile test machine to create channel holes.
  • Successfully produced open-channel structures in aluminum alloys.
  • Demonstrated the effectiveness of using release agents for wire extraction.
  • Identified potential applications for lightweight structural materials.

Abstract

Aluminum alloys with open-channel structure were fabricated by casting the melt of aluminum alloys using wire-extraction method. Template stainless steel wires were coated with release agents such as boron nitride and alumina, which were embedded in the melt of aluminum alloys. After solidified, the wires were extracted by tensile test machine to fabricate channel holes so that open-channel aluminum alloys were produced.

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Cite This Study

Hideo Nakajima (2026) studied this question.

synapsesocial.com/papers/69c4ccc9fdc3bde448918649https://doi.org/10.2320/matertrans.mt-me2025001
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