Advanced Characterization Techniques in Metallic Materials

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (31 March 2026) | Viewed by 892

Special Issue Editor


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Guest Editor
State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, MOE Key Laboratory of New Processing Technology for Nonferrous Metals and Materials, School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China
Interests: surface analysis; lead-free solders; bearing alloys; material property characterization
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Special Issue Information

Dear Colleagues,

The rapid advancement of metallic materials in industries ranging from aerospace to electronics demands increasingly sophisticated characterization techniques to understand their structure–property relationships across multiple length scales. From surface chemistry to bulk microstructure, modern characterization tools such as “X-ray photoelectron spectroscopy (XPS), electron microscopy (SEM/TEM), electron backscatter diffraction (EBSD), and atom probe tomography (APT)” are revolutionizing our ability to probe materials with unprecedented precision. Meanwhile, the integration of artificial intelligence (AI), machine learning (ML), and multi-modal data fusion is transforming raw analytical data into actionable insights, accelerating the discovery and optimization of next-generation metallic materials. 

This Special Issue, "Advanced Characterization Techniques in Metallic Materials", aims to highlight cutting-edge developments in experimental methodologies that bridge the gap between atomic-scale surface analysis and macro-scale material performance. We welcome contributions that explore the following: 

  1. Innovative applications of XPS, AES, and TOF-SIMS** in corrosion, catalysis, coatings, and interface engineering.
  2. Advanced electron and ion microscopy techniques (SEM, TEM, FIB-SEM, and APT) for defect, phase, and grain boundary analysis.
  3. In situ and operando characterization under thermal, mechanical, or electrochemical stimuli.
  4. Data-driven approaches, including AI-assisted spectral interpretation, multi-technique correlative microscopy, and high-throughput characterization.
  5. Case studies linking microstructural evolution to mechanical, electrical, or functional properties in alloys, composites, and additive-manufactured metals.

We encourage submissions that emphasize methodological advancements, interdisciplinary approaches, and industrial applications, particularly those addressing challenges in materials design, processing, and failure analysis. Both original research articles and comprehensive reviews are welcome. 

By bringing together experts in characterization science and materials engineering, this Special Issue seeks to establish a roadmap for future innovations in metallic materials analysis.

We look forward to your contributions.

Dr. Wenchao Yang
Guest Editor

Manuscript Submission Information

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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

  • X-ray photoelectron spectroscopy (XPS)
  • multiscale characterization
  • metallic materials
  • electron microscopy (SEM/TEM)
  • in situ characterization
  • artificial intelligence (AI) in materials science
  • surface and interface analysis
  • additive manufacturing characterization

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Published Papers (1 paper)

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Review

38 pages, 15546 KB  
Review
X-Ray Photoelectron Spectroscopy for Alloy Research: From Fundamental Principles to Advanced Applications
by Yaning Cui, Chenggang Hao, Bofan Dai, Hui Peng and Wenchao Yang
Metals 2026, 16(4), 444; https://doi.org/10.3390/met16040444 - 19 Apr 2026
Viewed by 323
Abstract
X ray photoelectron spectroscopy (XPS) is a key technique routinely employed for the chemical analysis of alloy surfaces, enabling precise nanoscale characterization of near surface elemental composition and chemical states. This review outlines the fundamental principles of XPS, typical data analysis workflows, and [...] Read more.
X ray photoelectron spectroscopy (XPS) is a key technique routinely employed for the chemical analysis of alloy surfaces, enabling precise nanoscale characterization of near surface elemental composition and chemical states. This review outlines the fundamental principles of XPS, typical data analysis workflows, and critical analytical considerations specific to alloy systems. Given the propensity for oxidation, multicomponent nature, and heterogeneous phase characteristics of alloys, standardized protocols are reviewed for sample preparation, binding energy calibration, peak fitting, quantitative analysis, and depth profiling. For conductive alloys, calibration using the Fermi edge or gold reference standards is specified, and the use of Auger parameters is highlighted to improve the reliability of chemical state identification. This article also systematically summarizes applications of XPS in corrosion protection, high temperature oxidation, surface modification, phase transformation, and failure analysis. It is emphasized that near surface chemical information must be validated in combination with bulk phase, microstructural, and electrochemical characterization to rationally establish relationships between surface chemistry and macroscopic performance. Finally, recent advances in near ambient pressure, in situ, high resolution, and intelligent XPS techniques are reviewed, providing a standardized reference and technical support for alloy research. Full article
(This article belongs to the Special Issue Advanced Characterization Techniques in Metallic Materials)
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