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Alloys, Volume 2, Issue 1

2023 March - 5 articles

Cover Story: Nickel has been used as an alloying element for steel for more than a century. Its key function is increasing corrosion resistance in austenitic stainless steels. Adding nickel to ordinary carbon steels not only enhances strength but significantly improves low-temperature toughness. This is inherently related to the effect of “cold softening”. For demanding cryogenic applications, nickel-alloyed steels are subjected to double quenching and tempering treatments. Here, nickel helps to stabilize a phase fraction of retained austenite providing high fracture toughness. These superior properties of nickel alloyed carbon steels are crucially important in the global transition towards a green energy economy. View this paper
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Articles (5)

  • Article
  • Open Access
9 Citations
5,342 Views
12 Pages

15 March 2023

The grain boundaries and dislocations play an important role in understanding the deformation behavior in polycrystalline materials. In this paper, the deformation mechanism of Cu, Ni, and equimolar Cu-Ni alloy was investigated using molecular dynami...

  • Article
  • Open Access
16 Citations
5,797 Views
22 Pages

27 February 2023

One of the main challenges encountered in the Laser-based Powder Bed Fusion (L-PBF) Additive Manufacturing (AM) process is the fabrication of defect-free parts. The presence of defects severely degrades the mechanical performance of AM parts and espe...

  • Article
  • Open Access
1 Citations
4,698 Views
11 Pages

Powder Metallurgy Processing and Characterization of the χ Phase Containing Multicomponent Al-Cr-Fe-Mn-Mo Alloy

  • Tomasz Stasiak,
  • Mourtada Aly Sow,
  • Matthieu Touzin,
  • Franck Béclin and
  • Catherine Cordier

13 February 2023

High entropy alloys present many promising properties, such as high hardness or thermal stability, and can be candidates for many applications. Powder metallurgy techniques enable the production of bulk alloys with fine microstructures. This study ai...

  • Article
  • Open Access
1 Citations
4,883 Views
15 Pages

Microstructure Evolution by Thermomechanical Processing in the Fe-10Al-12V Superalloy

  • Pedro A. Ferreirós,
  • Abraham A. Becerra,
  • Uriel A. Sterin,
  • Martina C. Ávalos,
  • Raúl E. Bolmaro and
  • Gerardo H. Rubiolo

31 January 2023

Nowadays, great efforts are being made to develop bcc-superalloys for medium- and high-temperature applications. However, the high brittle-to-ductile transition temperatures (BDTT) have restricted their application. Therefore, designing hot-processin...

  • Feature Paper
  • Review
  • Open Access
52 Citations
27,956 Views
28 Pages

11 January 2023

Nickel is an important and widely used alloying element in carbon steels. Some of its prominent metallurgical effects in these steels are moderate solid solution strengthening, mild hardenability and, importantly, a strong promotion of toughness, esp...

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Alloys - ISSN 2674-063X