Special Issue "Deformation Behavior of the Alloys under Simple and Combined Loading Conditions at Various Deformation Rate"
A special issue of Metals (ISSN 2075-4701).
Deadline for manuscript submissions: 31 May 2018
Clarifying the mechanical behavior of alloys is quite important to evaluate their performance, such as strength, ductility, toughness, workability, formability, etc. Actually, alloys undergo, not only simple loading, such as tension, compression, and torsion, but also quite complicated loading conditions via combinations of simple loading with proportional and non-proportional histories. Additionally, products with high performance at high-speed deformation, such as high-energy absorption, including a fracture characteristic, are quite useful to avoid the fatal accidents of transportation equipment. In both cases, strain rate sensitivity in the inelastic deformation of alloys holds the key, and it is important to clarify dynamic or impact effects of the phenomena, related to the rate sensitivity of the materials. In the Special Issue, a broad range of research works related to deformation behavior of alloys are invited, as well as interdisciplinary works concerning these topics. In addition, fundamental research works on testing methods and computational simulations are included.
This Special Issue will be composed of articles reporting on new and progressive research results, as well as reviews of particular classes of fundamental deformation behaviors of alloys and their applications. Manuscripts will be welcomed from both fundamental scientific researchers and authors belonging to industrial companies involved in the field.
Prof. Takeshi Iwamoto
Prof. Tao Suo
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 papers will be 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 1200 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.
- Simple and combined loading conditions
- Proportional and non-proportional loading
- Dynamic and impact deformation behavior
- Rate sensitivity
- Mechanical properties
- Computational and experimental method
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Title: The Quasi-Static Compressive Behaviour of in situ Foam-Filled Structures
Authors: Emanoil Linul, Liviu Marsavina and Jaroslav Kováčik
Affiliation: Politehnica University of Timisoara and Slovak Academy of Sciences
Abstract: Cellular materials such as polymeric and metallic foams are a relatively new class of structural and functional materials exhibiting unique mechanical and physical properties that make them attractive in a many wide range of applications in structural engineering, especially as core material in lightweight constructions. The aim of this paper is to investigate the quasi-static compressive axial crush performance of in-situ light aluminium alloy foam-filled tubes (FFTs) prepared by powder metallurgy processing route. By this method, the circular thin-walled empty steel tube (ET) is filled with an aluminium alloy foam (AF) during its formation. Axial compressive behaviour of the individual components (AFs and ETs) and FFTs was studied and evaluated using uniaxial compression tests, exploring their deformation and failure mechanisms. The FFTs deform by axisymmetric crushing mode with the formation of two visible concertina folds. Because of the interaction effect between the AFs as filler material and the ETs, both the experimental results (such as crushing strength and absorbed energy) and SEM images confirm a more stable and improved crush performance of the in-situ FFTs under axial compressive loads.
Title: Creep behaviour and microstructure evolution of advanced creep-resistant 9%Cr martensitic steels under cyclic thermal loading
Authors: Vaclav Sklenicka, Kveta Kucharova, Milan Svoboda
Affiliation: Institute of Physics of Materials, Academy of Sciences of the Czech Republic, Zizkova 22, 616 62 Brno, Czech Republic
Abstract: The effect of cyclic thermal loading on the creep behaviour and microstructure evolution of three creep strength enhanced 9% Cr ferritic-martensitic P91, P92 and E911 steels was investigated. The temperature cycles consisted of cooling the specimen after creep exposure from the creep testing temperature of 600°C to room temperature and then heating it up again in the creep testing temperature. Standard creep tests at the same creep testing temperature were carried out simultaneously for comparison. The results of the thermal cycled and standard creep tests showed no detrimental effect of intermittent heating on the creep behaviour of the specimens during the cycled tests. Microstructural investigations revealed no substantial differences in the types and chemical compositions of precipitating phases for the specimens after standard or cyclic creep in the three steels examined. There is no reason to expect substantially different creep behaviour for specimens experiencing standard or cyclic creep, provided that the specimens possess similar microstructure.
Keywords: 9%Cr creep-resistant steels, cyclic thermal loading, creep, microstructure, precipitation, fractography