Scandium Canada talks 3-D-printable Al-Sc alloys

Executive Summary

• Scandium Canada announced new data confirming that its proprietary AA535‑Sc/Zr/Ce and AA7075‑Sc/Zr alloys enable crack‑free laser powder‑bed fusion (L‑PBF) of high‑strength aluminum, a breakthrough for additive manufacturing.
• The alloys achieve relative densities > 99 % and as‑built ultimate tensile strengths of 330–380 MPa, with heat‑treatment gains of 17–25 %. Reduced scandium content lowers material cost while maintaining grain‑refining benefits.
• A new international patent application (PCT) covering the technology was filed on Sept. 17 2025, and a short‑term commercial opportunities study with Productique Québec is slated for completion in mid‑October 2025.

Key Details

• Alloy Performance:
• AA535‑Sc/Zr/Ce and AA7075‑Sc/Zr printed via L‑PBF show > 99 % relative density under optimal laser power/scanning speed windows.
• As‑built UTS: ~330–380 MPa; post‑heat‑treatment UTS increase of 17–25 %.
• Cost & Sustainability:
• Proprietary blending (using ZrH₂) reduces required scandium, cutting material expense and improving resource sustainability.
• Defect Reduction:
• New blending process minimizes microcracks and microporosity, eliminating the macro‑cracking that limited previous Al‑Sc L‑PBF alloys.
• Commercialization Structure – Scandium+:
• Dedicated division created to accelerate market adoption of the two patented powders and develop additional Al‑Sc alloys.
• Objectives: deploy scandium where demand is highest, commercialize patent‑pending alloys (AA7075/Sc/Zr, AA535/Sc/Zr/Ce), focus on value‑added scandium products.
• Intellectual Property:
• International patent application filed under the Patent Cooperation Treaty (PCT) on Sept. 17 2025, covering the alloy compositions and blending methodology.
• Short‑Term Commercial Study:
• Partnership with Productique Québec (announced Aug. 22 2025) evaluating ~10 near‑term commercial opportunities from a pool of >140 potential applications.
• Expected completion: mid‑October 2025; study to assess uses beyond L‑PBF.
• Quote: “Scandium Canada's proprietary alloys directly address the critical need for printable, high‑strength and lightweight metals in sectors such as aerospace, automotive and advanced manufacturing… this advancement is expected to accelerate the transition to lightweight structures…” – Dr. Luc Duchesne, Head of Scandium+ division & Chief Science Officer.

Notable Quotes

• Dr. Luc Duchesne: “Scandium Canada's proprietary alloys directly address the critical need for printable, high‑strength and lightweight metals in sectors such as aerospace, automotive and advanced manufacturing. This advancement is expected to accelerate the transition to lightweight structures in critical applications, supporting global efforts toward sustainability, energy efficiency and improved engineering design.”