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Applied Sciences
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Advanced Technologies for Metallurgy of Metal and Alloy Materials
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Advanced Technologies for Metallurgy of Metal and Alloy Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (10 October 2023) | Viewed by 1348

Special Issue Editors

Dr. Xingwei Liu

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
Interests: alloys; reactive structural materials; interfacial complexions; powder metallurgy
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jinxu Liu

E-Mail Website
Guest Editor
School of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, China
Interests: reactive structural materials; powder metallurgy; W/Mo-Cu alloys; Ti alloys; dynamic property
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue provides an international medium for the publication of theoretical and experimental studies related to the load-bearing capacity of materials as influenced by their basic properties, processing methods, microstructure and operating environment. Submissions should include scientific and/or engineering factors which affect the microstructure–strength relationships of materials and report the changes to mechanical behavior.

The following aspects of the science and engineering of metals or alloy materials are of particular interest: (i) advanced experiments and theory as they relate to the understanding of the properties, and (ii) characterization of the structure and chemistry of materials specifically as it relates to the understanding of the properties.

Dr. Xingwei Liu
Prof. Dr. Jinxu Liu
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. Applied Sciences is an international peer-reviewed open access semimonthly 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 2400 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

  • advanced powder metallurgy materials
  • additive manufacturing
  • computational materials design
  • high-performance structure materials
  • reactive structural alloy
  • service performance of materials in extreme environments

Published Papers (1 paper)

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Research

12 pages, 8082 KiB  
Article
Interdiffusion in Zr-Mo/W Intermetallics
by Kaihua Wang, Xingwei Liu, Tianyu Liu, Chuan He and Jinxu Liu
Appl. Sci. 2023, 13(11), 6375; https://doi.org/10.3390/app13116375 - 23 May 2023
Cited by 1 | Viewed by 1027
Abstract
Intermetallic compounds or solid solutions can form between Zr and Mo/W, in which the multiphase of the diffusion may be influenced by each other. Interdiffusion kinetic data in such intermetallic systems are highly demanded for material design. In this work, solid–solid diffusion couples [...] Read more.
Intermetallic compounds or solid solutions can form between Zr and Mo/W, in which the multiphase of the diffusion may be influenced by each other. Interdiffusion kinetic data in such intermetallic systems are highly demanded for material design. In this work, solid–solid diffusion couples of Zr-Mo and Zr-W were prepared by the fixture method, and the interdiffusion behaviors of Zr-Mo and Zr-W at 1300–1500 °C were systematically investigated. The results showed that the intermetallic compounds Mo2Zr/W2Zr formed in the Zr-Mo/W diffusion systems. The growth constants of the Mo2Zr and W2Zr phases varied with temperature in accordance with the Arrhenius relationship, and the activation energies of growth were 109 kJ/mol and 285 kJ/mol, respectively. In addition, (Zr, Mo) solid solution formed between Mo2Zr and pure Zr as diffusion proceeded, resulting in a lower chemical potential for the formation of Mo2Zr. The den Broeder method was used in calculating the interdiffusion coefficients of the solid solution. The results showed that the interdiffusion coefficient in the (Zr, Mo) solid solution decreased with the increase of Mo concentration. Moreover, the diffusion activation energy of the solid solution was evaluated based on the Arrhenius relationship, and the activation energy was 145–170 kJ/mol when the Mo content was in the range of 2–10 at. %. These diffusion kinetic data provide a reference for the composition design and preparation technic of Zr-based alloys. Full article
(This article belongs to the Special Issue Advanced Technologies for Metallurgy of Metal and Alloy Materials)
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