Polema develops high-entropy alloy powder grades for AM

July 28, 2021

Polema, affiliated to Industrial Metallurgical Holding, headquartered in Moscow, Russia, has announced new Additive Manufacturing powder grades of high entropy alloys and Ni-Cr-Al-Y system alloys, suitable for use in aerospace and other critical industries.

The company has reported it is using gas atomisation to produce AP-CoCr23Ni26, AP-NiCr24Co24Al, AP-NiCr23Co23Al, AP-NiCr18Co18Cu20Al, AP-NiCr21Co21Mn20 and AP-NiCr20Co20Cu21 high-entropy alloy powders.

Advantages of the new materials include high corrosion resistance, ability to maintain strength and flexibility at ultra-low temperatures as well as a stable phase composition during thermomechanical treatment.

The two Ni-Cr-Al-Y system alloys, which can be used as a metal sublayer for heat-protective coatings on parts of internal combustion engines, are AP-NiCr22Al10Y (analog of Amdry 962) and AP-CrNi67Al12 (analog of Amperit 457.642). These are gas atomised and additionally alloyed with hafnium and rhenium. Previously at Polema, a reduction of oxides with calcium hydride was used for the production of Ni-Cr-Al-Y alloys.

“Polema continues to develop new types of products, which have no analogs in Russia,” commented Aleksei Filippov, CEO of the plant. “The new products will be used in aircraft construction, medicine and in other important industries.”

www.polema-rus.com

Recent issue of Powder Metallurgy review - your go-to resource to stay updated on the world of powder metallurgy and metal powders

In the latest issue of PM Review…

PM Review Spring 2023

Download PDF

Extensive Powder Metallurgy industry news coverage, and the following exclusive deep-dive articles and reports:

  • GKN Powder Metallurgy: A strategic vision for the future of permanent magnets for EVs
  • Building trust in the Powder Metallurgy industry: The role of standardisation and an update on recent work by ISO/TC 119
  • High-volume powder production for Additive Manufacturing: SMS group’s continuous metal powder production process
  • Development of enhanced-performance PM brake pads for high-speed trains by Beijing Tianyishangjia New Material Corp., Ltd.
  • The START project: Creating a sustainable supply chain for green energy harvesting products by Powder Metallurgy
  • World PM2022: Reviewing three innovative methods for metal powder production

The latest news from the world of metal powders, delivered to your inbox

Don't miss any new issue of PM Review, and get the latest industry news. Sign up to our weekly newsletter.

Sign up

Join our community

From the industry…

Discover our magazine archive…

The free-to-access PM Review magazine archive offers unparalleled insight into the world of Powder Metallurgy from a commercial and technological perspective through:

  • Reports on visits to leading PM part manufacturers, metal powder manufacturers and industry suppliers
  • Articles on technology and application trends
  • Information on materials developments
  • Reviews of key technical presentations from the international conference circuit
  • International industry news

All past issues are available to download as free PDFs or view in your browser.

 

Browse the archive

 

Looking for PM production equipment, metal powders, R&D support and more?

Discover suppliers of these and more in our
advertisers’ index and buyer’s guide, available in the back of PM Review magazine.

  • Powders & materials
  • Powder process, classification & analysis
  • PM products
  • Atomisers & powder production technology
  • Compaction presses, tooling & ancillaries
  • Sintering equipment & ancillaries
  • Post-processing
  • Consulting & toll sintering
Download PDF
Share via
Copy link