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Metals
Special Issues
Creep, Fatigue and Creep-Fatigue Properties of Advanced Materials
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Creep, Fatigue and Creep-Fatigue Properties of Advanced Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Failure Analysis".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 1272

Special Issue Editors

Dr. Nadezhda Dudova

E-Mail Website
Guest Editor
Laboratory for Mechanical Properties of Nanostructured Materials and Superalloys, Belgorod State University, 308015 Belgorod, Russia
Interests: mechanical and microstructural characterization of advanced creep-resistant steels and superalloys: heat treatment, creep, low cycle fatigue, long-term aging, impact toughness, phase transformation, dispersed precipitates
Special Issues, Collections and Topics in MDPI journals
Dr. Mishnev Roman

E-Mail Website
Guest Editor
Senior Research Associate in Laboratory for Mechanical Properties of Nanostructured Materials and Superalloys, Belgorod State University, 308015 Belgorod, Russian
Interests: mechanical properties; mechanical testing; creep; low cycle fatigue; impact toughness; fracture mechanics; failure analysis; microstructure; heat treatment; material characterization; fractography; electron microscopy; electron backscatter diffraction; high temperature materials; martensitic steels; copper alloys; metallurgical engineering; advanced materials; materials processing; phase transformations; metal forming; materials grain boundaries; recrystallisation; mechanical behavior of materials; plasticity

Special Issue Information

Dear Colleagues,

Creep and fatigue resistance are the critical requirements for the materials used at high temperatures. Advanced heat-resistant materials such as nickel-based superalloys, heat-resistant austenitic and martensitic steels, and light alloys are being developed for applications in aircraft gas turbines, fossil power plants, nuclear reactors etc. To ensure structural safety, various studies of materials’ strength under complicated conditions are carried out:

  • Creep deformation and mechanisms;
  • Low cycle fatigue, high cycle fatigue, very high cycle fatigue;
  • Creep-fatigue interaction testing;
  • Effect of composition, microstructural design, phase composition on the creep and fatigue behavior;
  • Microstructural evolution under creep and cyclic loading;
  • Failure analysis;
  • Modeling and simulation of creep and fatigue deformation;
  • Crack growth;
  • Lifetime prediction, etc.

The aim of this Special Issue is to present the latest achievements in the theoretical and experimental investigations of creep, fatigue and creep-fatigue behavior of metallic materials.

In this Special Issue, original research articles and reviews are welcome.

I look forward to receiving your contributions.

Dr. Nadezhda Dudova
Dr. Mishnev Roman
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

  • alloys and steels
  • creep
  • low cycle fatigue
  • high cycle fatigue
  • creep–fatigue interaction
  • failure
  • life assessment
  • modeling
  • fractography
  • microstructural characterization

Published Papers (1 paper)

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Research

21 pages, 6835 KiB  
Article
New Creep Crack Growth Prediction Model for the Life Assessment of Stainless-Steel Material Using Computational Modeling
by Mohsin Sattar, Abdul Rahim Othman, Muhammad Firdaus Othman, Hafiz T. Ali and Muhammad Kashif Khan
Metals 2023, 13(11), 1854; https://doi.org/10.3390/met13111854 - 06 Nov 2023
Viewed by 1023
Abstract
The limitations of the established and existing creep failure models have inspired the development of a new creep prediction model. Models like Norton–Bailey and Omega are unable to model the tertiary creep curve for engineering materials. Kachanov–Rabotnov, Theta Projection, and Sine hyperbolic models [...] Read more.
The limitations of the established and existing creep failure models have inspired the development of a new creep prediction model. Models like Norton–Bailey and Omega are unable to model the tertiary creep curve for engineering materials. Kachanov–Rabotnov, Theta Projection, and Sine hyperbolic models rely on specific material properties for accurate damage predictions. In order to overcome these weaknesses, a new creep model combining the Norton–Bailey and Kachanov–Rabotnov models has been further devised for the creep life prediction of metallic materials. The model combination helps in covering the limitations of one model over another and to benefit from each other’s strengths. A technique of user subroutine scripting was adapted to implement the new creep model in finite element (FE) software of ABAQUS, manufactured by Dassault Systemes, version 2020. The new model was tested on an FE dog bone stainless steel 304 specimen; the analysis showed excellent agreement with the experimental creep deformation data at 600 °C to 700 °C. The creep strain rate curves obtained by the method of user subroutine scripting were found to be 90.69% accurate to the 1000 h experimental creep strain rate curve. Similarly, while comparing with the 336 h experimental creep test, the new model accuracy was found to be 92.66% for the creep strain rate curve. The new model’s precision was 91.56% when compared with the Omega and Norton–Bailey models for creep strain rate for the same conditions. The quantitative accuracy of the new creep model is better as compared to the existing creep models and can be an improved source of alternatives to existing creep models for the deformation predictions. Full article
(This article belongs to the Special Issue Creep, Fatigue and Creep-Fatigue Properties of Advanced Materials)
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