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Metals
Special Issues
Remelting and Casting of Metals and Alloys
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Remelting and Casting of Metals and Alloys

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: closed (18 January 2022) | Viewed by 2962

Special Issue Editors

Prof. Alec Mitchell

E-Mail Website
Guest Editor
Department of Materials Engineering, University of British Columbia
Interests: remelting processes
Prof. Dr. John Campbell

E-Mail Website
Guest Editor
Department of Metallurgy and Materials, University of Birmingham, 44 Born Court, Ledbury HR8 2DX, UK
Interests: melting; casting; defects; fracture; creep; fatigue; hydrogen embrittlement; the central role that casting defects play, appearing to be the fundamental cause of the failure modes by fracture, including creep, fatigue, stress corrosion cracking, hydrogen embrittlement

Special Issue Information

Dear Colleagues,

Many papers have been published relating to research on remelting processes, but not all of them are available to us online. In this Special Issue on Remelting, we aim to collect the latest work on the subject together in one publication which can be readily accessed. We invite you to participate by submitting your work to this issue. The subject area is restricted to the remelting processes, their ancillary material preparation areas such as vacuum induction melting, and property investigations relating to the processes. We particularly welcome contributions from the industry relating to experience in remelting practice. Remelting technology lies in the boundary between research and industrial application; as such, it is important that we use this readily accessible source to combine ideas from both aspects. We look forward to receiving your contribution and to the publication of a much-needed collection of work in this field. 

Prof. Alec Mitchell
Prof. Dr. John Campbell
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • remelting
  • electroslag
  • vacuum arc
  • plasma
  • electron beam
  • steels
  • superalloys
  • titanium

Published Papers (1 paper)

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Research

24 pages, 19599 KiB  
Article
Impact of Solidification on Inclusion Morphology in ESR and PESR Remelted Martensitic Stainless Steel Ingots
by Ewa Sjöqvist Persson, Sofia Brorson, Alec Mitchell and Pär G. Jönsson
Metals 2021, 11(3), 408; https://doi.org/10.3390/met11030408 - 02 Mar 2021
Cited by 2 | Viewed by 2067
Abstract
This study focuses on the impact of solidification on the inclusion morphologies in different sizes of production-scale electro-slag remelting (ESR) and electro-slag remelting under a protected pressure-controlled atmosphere, (PESR), ingots, in a common martensitic stainless steel grade. The investigation has been carried out [...] Read more.
This study focuses on the impact of solidification on the inclusion morphologies in different sizes of production-scale electro-slag remelting (ESR) and electro-slag remelting under a protected pressure-controlled atmosphere, (PESR), ingots, in a common martensitic stainless steel grade. The investigation has been carried out to increase the knowledge of the solidification and change in inclusion morphologies during ESR and PESR remelting. In order to optimize process routes for different steel grades, it is important to define the advantages of different processes. A comparison is made between an electrode, ESR, and PESR ingots with different production-scale ingot sizes, from 400 mm square to 1050 mm in diameter. The electrode and two of the smallest ingots are from the same electrode charge. The samples are taken from both the electrode, ingots, and rolled/forged material. The solidification structure, dendrite arm spacing, chemical analyzes, and inclusion number on ingots and/or forged/rolled material are studied. The results show that the larger the ingot and the further towards the center of the ingot, the larger inclusions are found. As long as an ingot solidifies with a columnar dendritic structure (DS), the increase in inclusion number and size with ingot diameter is approximately linear. However, at the ingot size (1050 mm in diameter in this study) when the center of the ingot converts to solidification in the equiaxial mode (EQ), the increase in number and size of the inclusions is much higher. The transition between a dendritic and an equiaxial solidification in the center of the ingots in this steel grade takes place in the region between the ingot diameters of 800 and 1050 mm. Full article
(This article belongs to the Special Issue Remelting and Casting of Metals and Alloys)
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