journal: International Journal of Materials Research

Impact Factor: 0.8

Published since January 1, 1938

International Journal of Materials Research

Zeitschrift für Metallkunde

ISSN: 2195-8556

About this journal

The International Journal of Materials Research (IJMR) publishes original high quality experimental and theoretical papers and reviews on basic and applied research in the field of materials science and engineering, with focus on synthesis, processing, constitution, and properties of all classes of materials. Particular emphasis is placed on microstructural design, phase relations, computational thermodynamics, and kinetics at the nano to macro scale. Contributions may also focus on progress in advanced characterization techniques.
All articles are subject to thorough, independent peer review.

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Supplementary Materials

Topics

Volume 114 Issue 9

September 2023

Publicly Available September 6, 2023

Frontmatter

Page range: i-iii

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Original Papers

Publicly Available June 30, 2023

Synthesis, characterization, and optimization of a quaternary nanocomposite for efficient electromagnetic absorption coating in the X-band

Ahmad Momeni, Arezoo Ghadi, Reza Fazaeli, Maryam Khavarpour

Page range: 753-764

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Abstract

In this study, a quaternary composite of graphite, polyaniline, cobalt ferrite, and thermoplastic polyurethane as a shielding material was prepared. The composite materials were analyzed with X-ray diffraction, field emission scanning electron microscopy, vibrating-sample magnetometer and thermogravimetric analysis. The electromagnetic characterization of the samples was achieved using a Vector Network Analyzer in the X-band. The composites’ conductivity was analyzed by using the four-point probe method. For the investigation of water absorption, the ASTM D570-98 Standard Method was used. Design-Expert software applied design optimization for broadband electromagnetic shielding of the composite film. Ultimately, we introduced a composite film as an efficient microwave absorbent that had a weight percentage of cobalt ferrite 6.95 %, polyaniline 20.04 %, graphite 12.13 %, and thermoplastic polyurethane 60.88 % in a thickness of 1.26 mm, which had shielding effectiveness higher than 30 dB, which was suitable for commercial purposes. The results showed that graphite played an essential role in increasing the composite’s electrical conductivity and thermal stability but was unsuitable for water absorption resistance.

June 23, 2023

Grain boundary-free graphene sheets for better electrical transport properties prepared by an electrochemical method

Injamul Alam, Sandeep Kumar Yadav, Sonali Das, B. V. R. S. Subramanyam, Manoranjan Mandal, Subhasri Subudhi, Santosini Patra, Somnath Mahapatra, Pitamber Mahanandia

Page range: 765-772

Abstract

Though good qualities of graphene have been prepared by the electrochemical method, the quality in terms of grain boundaries which has a consequential impact on its electrical properties has not yet been investigated in detail. In this work, grain boundaries and their electrical properties in graphene prepared by the electrochemical method have been investigated. The grain boundary in graphene has been examined from images obtained by a high-resolution transmission electron microscope. The finding reveals no grain boundaries in the graphene sheet prepared by the electrochemical method. As a result, a high current value has been obtained which may be attributed to the smooth passage of charge careers due to the absence of grain boundaries in graphene. The finding suggests that the prepared graphene sheets using the above-mentioned method are excellent in qualities that can be potentially used in various electronic devices, such as field-effect transistors, solar cells, transparent electrodes, interconnects, etc.

June 19, 2023

Tribological behaviour of thermally sprayed ceramic coating at high temperature

Deepak Kumar, Ravinderjit S. Walia, Pushpendra Singh, Qasim Murtaza

Page range: 773-782

Abstract

The present study focuses on the wear behaviour of a Al 2 O 3 -13 wt.% TiO 2 composite coating deposited by a flame spray method for high temperature applications. The microstructural characterisation and mechanical properties, such as microhardness and surface roughness were studied. In addition, the porosity characterisation of the coating was studied through quantitative image analysis using the software Image_J. The tribological testing of the deposited coating was performed at four different temperatures, i.e., 25 °C, 100 °C, 200 °C and 400 °C, using a high temperature pin-on-disk tribometer. The specific wear rate decreases with an increase in temperature of upto 200 °C and then increases slightly at 400 °C, whereas the coefficient of friction declines with temperature rise. The dominant wear mechanism is three-body abrasion and brittle fracture followed by erosion and oxidation wear at high temperatures.

June 22, 2023

Characterization and corrosion behaviour of a phosphate-based plasma electrolytic oxidation coating on extruded EV31 magnesium alloy

Vidžaja Knap, Milan Štrbák, Branislav Hadzima, Zuzana Florková, Daniel Kajánek, Martina Jacková

Page range: 783-792

Abstract

This paper is focused on evaluating the surface properties of protective coating prepared by plasma electrolytic oxidation on magnesium alloy EV31. Plasma electrolytic oxidation was performed in DC mode with a constant current density of 0.05 A cm −2 for 14 min. Evolution of voltage was measured and depicted graphically in order to describe the growth of the plasma electrolytic oxidation coating. Morphology and thickness of the plasma electrolytic oxidation coating were examined together with corrosion resistance of the coating by measurements of electrochemical characteristics using electrochemical impedance spectroscopy and potentiodynamic polarization after 1 h in 0.1 M NaCl. Results from potentiodynamic polarization showed decrease in corrosion current density i corr from 10.50 μA cm −2 (substrate) to 1.02 μA cm −2 (plasma electrolytic oxidation coated) and results from electrochemical impedance spectroscopy showed increase in R p by one order of magnitude for plasma electrolytic oxidation coated sample after both 1 h and 168 h exposure times.

June 6, 2023

Microstructural evolution and dynamic recrystallization model of extruded homogenized AZ31 magnesium alloy during hot deformation

Zehua Yan, Jingkai Zhou, Wei Zhang

Page range: 793-810

Abstract

Using a thermal simulation testing machine, hot compression experiments were carried out on extruded homogenized AZ31 magnesium alloy, and the hot deformation behavior was analyzed. Based on this, the constitutive equation of the alloy is constructed to explore the evolution law of microstructure during hot deformation of the alloy, which could provide theoretical guidance for the reasonable selection of parameter ranges during hot compression of extruded homogenized AZ31 magnesium alloy. The experimental result indicated that the flow stress of the alloy during the hot deformation decreases with increasing temperature, increases with the strain rate increasing, and the real stress–strain curves during deformation show dynamic recrystallization curves. According to the experimental results, the deformation activation energy Q is 126.882 kJ mol −1 and the stress exponent n is 4.36 calculated by the constitutive equation under the given parameters, which confirmed that the glide and climb of dislocations in the climb-controlled regime is the deformation mechanism in this work. Decreasing the compression temperature and increasing the strain rate are helpful to reduce the Zener–Hollomon parameter, control the dynamic recrystallization occurring, and refine grain size to improve the mechanical properties effectively. Moreover, the dynamic recrystallization model of the alloy was constructed using the work hardening rate method and regression method, including dynamic recrystallization critical condition model, dynamic model and grain size model.

June 27, 2023

Dissimilar joining of titanium to aluminum using friction stir welding process and weld joint characterization

Ambadas Basude, Adepu Kumar, George Rajasingh, Mugada Krishna Kishore

Page range: 811-819

Abstract

The present investigation studies the solid-state joining of difficult-to-weld aerospace materials such as titanium alloy (Ti6Al4V, ELI) and pure aluminum. Due to the wide difference in thermo-mechanical properties, it was a challenging task to establish a dissimilar metal joint. The friction stir welding process with a conically shaped tungsten carbide tool was used in the present investigation to join the dissimilar titanium alloy and aluminum in the lap joint configuration. After a series of pilot experiments, the optimum test conditions to produce the defect-free joint are spindle speed of 1200 rpm, feed rate of 40 mm min −1 , tool tilt angle of 1°, and 1 mm tool offset towards the aluminum side. The results show that a good joint was achieved with a maximum joint strength of 89 MPa. The dissimilar joints are characterized by macrostructure, microstructure, microhardness, and scanning electron microscopic analysis.

Retraction

Publicly Available March 7, 2023

Retraction of: An experimental investigation into the effects of Cr₂O₃ and ZnO₂ nanoparticles on the mechanical properties and durability of self-compacting mortar

Jian Yang, Ehsan Mohseni, Babak Behforouz, Mojdeh Mehrinejad Khotbehsara

Page range: 820-820

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News

August 25, 2023

DGM – Deutsche Gesellschaft für Materialkunde

Page range: 821-822

Ahead of Print / Just Accepted

Ahead of Print / Just Accepted

Volume 114 (2023)

Volume 113 (2022)

Volume 112 (2021)

Volume 111 (2020)

Volume 110 (2019)

Volume 109 (2018)

Volume 108 (2017)

Volume 107 (2016)

Volume 106 (2015)

Volume 105 (2014)

Volume 104 (2013)

Volume 103 (2012)

Volume 102 (2011)

Volume 101 (2010)

Volume 100 (2009)

Volume 99 (2008)

Volume 98 (2007)

Volume 97 (2006)

Volume 96 (2005)

Volume 95 (2004)

Volume 94 (2003)

Volume 93 (2002)

Volume 92 (2001)

Volume 89 (1998)

Volume 88 (1997)

Volume 87 (1996)

Volume 86 (1995)

Volume 85 (1994)

Volume 84 (1993)

Volume 83 (1992)

Volume 82 (1991)

Volume 81 (1990)

Volume 80 (1989)

Volume 79 (1988)

Volume 78 (1987)

Volume 76 (1985)

Volume 75 (1984)

Volume 74 (1983)

Volume 73 (1982)

Volume 72 (1981)

Volume 71 (1980)

Volume 70 (1979)

Volume 69 (1978)

Volume 68 (1977)

Volume 67 (1976)

Volume 66 (1975)

Volume 65 (1974)

Volume 64 (1973)

Volume 63 (1972)

Volume 62 (1971)

Volume 61 (1970)

Volume 60 (1969)

Volume 59 (1968)

Volume 58 (1967)

Volume 57 (1966)

Volume 56 (1965)

Volume 55 (1964)

Volume 54 (1963)

Volume 53 (1962)

Volume 52 (1961)

Volume 51 (1960)

Volume 50 (1959)

Volume 49 (1958)

Volume 48 (1957)

Volume 47 (1956)

Volume 46 (1955)

Volume 44 (1953)

Volume 43 (1952)

Volume 42 (1951)

Volume 41 (1950)

Volume 40 (1949)

Volume 39 (1948)

Volume 38 (1947)

Volume 37 (1946)

Volume 36 (1944)

Volume 35 (1943)

Volume 34 (1942)

Volume 33 (1941)

Volume 32 (1940)

Volume 31 (1939)

Volume 30 (1938)

Journal Impact Factor	0.8	2022, Journal Citation Reports (Clarivate, 2023)
5-year Journal Impact Factor	0.8	2022, Journal Citation Reports (Clarivate, 2023)
Journal Citation Indicator	0.18	2022, Journal Citation Reports (Clarivate, 2023)
CiteScore	1.4	2022, Scopus (Elsevier B.V., 2023)
SCImago Journal Rank	0.216	2022, SJR (Scimago Lab, 2023; Data Source: Scopus)
Source Normalized Impact per Paper	0.274	2022, CWTS Journal Indicators (CWTS B.V., 2023; Data Source: Scopus)

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Editorial

Editor in Chief

Prof. Dr. Guido Schmitz (Guido.Schmitz@mp.imw.uni-stuttgart.de)
Universität Stuttgart

Managing Editors

Prof. Dr. Ferdinand Haider (haider@physik.uni-augsburg.de)
Universität Augsburg

Prof. Dr. Joachim Bill (bill@imw.uni-stuttgart.de)
Universität Stuttgart　

Editorial Office

Dr. Viola Segar (ijmr@is.mpg.de)
Max Planck Institut für Intelligente Systeme

Dr. Richard Segar (ijmr@is.mpg.de)
Max Planck Institut für Intelligente Systeme

Society Contact

Dr. Stefan Klein (stefan.klein@dgm.de)
Expert adviser, DGM
Deutsche Gesellschaft für Materialkunde e.V. (DGM)

Marcel Menet (menet@me-network.ch)
President, SVMT
Swiss Association for Materials Science and Technology (SVMT)

Danièle Quantin (secretariat@sf2m.fr)
President, SF2M
Société Française de Métallurgie et de Matériaux (SF2M)

(Deutsch)

Online ISSN: 2195-8556
Print ISSN: 1862-5282
Type: Journal
Language: English
Publisher: De Gruyter
First published: January 1, 1938
Publication Frequency: 12 Issues per Year

International Journal of Materials Research

Zeitschrift für Metallkunde

Frontmatter

Synthesis, characterization, and optimization of a quaternary nanocomposite for efficient electromagnetic absorption coating in the X-band

Abstract

Grain boundary-free graphene sheets for better electrical transport properties prepared by an electrochemical method

Abstract

Tribological behaviour of thermally sprayed ceramic coating at high temperature

Abstract

Characterization and corrosion behaviour of a phosphate-based plasma electrolytic oxidation coating on extruded EV31 magnesium alloy

Abstract

Microstructural evolution and dynamic recrystallization model of extruded homogenized AZ31 magnesium alloy during hot deformation

Abstract

Dissimilar joining of titanium to aluminum using friction stir welding process and weld joint characterization

Abstract

Retraction of: An experimental investigation into the effects of Cr2O3 and ZnO2 nanoparticles on the mechanical properties and durability of self-compacting mortar

DGM – Deutsche Gesellschaft für Materialkunde

Retraction of: An experimental investigation into the effects of Cr₂O₃ and ZnO₂ nanoparticles on the mechanical properties and durability of self-compacting mortar