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Gonghou Yao, Zhanqiang Liu and Haifeng Ma
The presence of residual stress seriously affects the mechanical performance and reliability of engineering components. Here, the authors propose a novel method to determine corresponding residual stress through micro-hardness measurements of machined su...
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Lamyaa Khaleel Hasan, Suaad Makki Jiaad, Khansaa Dawood Salman, Wisam Abed Kattea Al-Maliki, Falah Alobaid and Bernd Epple
Objective: The aim of the present work is to study the microstructure, wear behavior, physical properties, and micro-hardness of the aluminum matrix AA6061 reinforced with TiC and B4C nanoparticles with different concentrations of 2.5, 5, 7.5, 10, and 12...
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Khansaa Dawood Salman, Wisam Abed Kattea Al-Maliki, Falah Alobaid and Bernd Epple
This work aims to define the microstructure and to study the mechanical properties of an Al matrix incorporated with various amounts of Fe2O3 (3, 6, 9, 12 and 15 wt.%) with a constant amount of Ag at 1 wt.%. Al/Fe2O3 + Ag hybrid nano-composite samples ar...
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Roberto Montanari, Alex Lanzutti, Maria Richetta, Javokhir Tursunbaev, Emanuele Vaglio, Alessandra Varone and Claudio Verona
Austenitic stainless steels produced by laser powder bed fusion (L-PBF) are quite interesting materials owing to their specific microstructure consisting of dendrite walls built of dislocations pinned by many nano-oxides that involves significant strengt...
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Marva Angela Blankson, Savas Erdem and Ezgi Gürbüz
There are increasing research endeavours on the application of nanotechnology in the construction industry and lightweight composites. In this study, the influence of different percentage (1%, 2%, and 3% by weight of cement) colloidal nano-silica particl...
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Eleni Rosolymou, Stella Spanou, Caterina Zanella, Dimitris S. Tsoukleris, Susanne Köhler, Peter Leisner and Evangelia A. Pavlatou
Direct current electrodeposited Sn?Ni/TiO2 nanostructured coatings were produced by embedding two different doped types of TiO2 particles within the alloy matrix, a commercially available doped carbon-based and doped N,S-TiO2 particles. The structural ch...
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Mohamed Benaissa, Fethi Benkhenafou, Abdelkader Ziadi, Luis Borja Peral Martinez, Francisco Javier Belzunce, Lyes Douadji
Pág. 199 - 206
Shot-peening is a surface mechanical treatment, widely used to treat metallic parts in the aerospace and automotive industries. This mechanical surface treatment should not be confused with other common applications of other peening treatments, oriented ...
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Dmitro Starokadomsky,Dmitry Rassokhin,Anatoly Ishchenko,Nadia Sigareva,Maria Reshetnyk
Pág. 73 - 80
This paper reports the results of studying epoxy compositions with gypsum taken in the form of dispersed powders in the original and water-hardened form. The exact pattern has been shown in the way the introduction of a gypsum additive in the amount of 5...
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Mohammad Salim Kaiser
Pág. 37 - 46
This manuscript reports the effects of trace impurities on the fractional recrystallization behavior of commercially pure aluminum. To allow the recrystallization cold rolled by 75% alloy samples are annealed isothermally at 700ºK for different time up t...
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Yanxiong Xiang, Lingling Huang and Changwei Zou
Cr?Si?N nanocomposite coatings were deposited by multi-arc ion plating under different bias voltages. The influences of bias voltage on composition, microstructure, surface morphology and mechanical properties of Cr?Si?N nanocomposite coatings were inves...
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