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Online since: September 2018
Authors: Mariny Fabiéle Cabral Coelho, Eliana C. da S. Rigo, Neide Aparecida Mariano, Lucíola Lucena de Sousa, Deborah Gouvêa Prado, Virgilio Pereira Ricci, Guilherme Vilela Ferreira, Mérilin Cristina dos Santos Fernandes
Commercially pure titanium and its alloys have been widely applied as implant materials with excellent long-term results and present benefits compared to other metal biomaterials because of the good mechanical strength and modulus of elasticity with values close to those of the bone.
Among the metal materials, titanium and its alloys have great features, as they have good resistance to corrosion in body fluids and good mechanical properties, such as flexibility and tensile strength.
Iglic: Biomaterial Surface Modification of Titanium and Titanium Alloys for Medical Applications.
He et al.: Journal of Alloys and Compounds Vol. 672 (2016), p. 336
Sinha: Journal of Chemical and Pharmaceutical Research Vol. 4 (1) (2012), p. 203
Online since: October 2009
Authors: J. Kouvetakis, Jose Menendez, John Tolle
This leads to alloy electrical properties, such as conductivity, which are comparable to those of the end compounds.
In contrast, the very different atomic masses of Si and Ge represent a very large perturbation to the vibrational structure, and the thermal conductivity of the alloy is substantially lower than that of the end compounds.
These compounds enable the fabrication of materials with specifically engineered properties-including strain state, morphology, defect microstructure, selectivity of growth-as well synthesis of new and metastable systems that cannot be achieved by conventional Fig. 1 (left panel) Band gaps of group-IV alloys and III-V alloys relevant for IV/IV / III-V triplejunction solar cells.
Future research in this area will aim to establish the thermoelectricity credentials of SiGeSn alloys by systematically studying their thermal conductivity and Seebeck coefficients as a function of their composition and by carrying out ab-initio simulations of these quantities in alloys as well as in superlattices.
Thomas: Intel Technology Journal 12 (2008), 77
Online since: May 2020
Authors: Li Hua Chai, Ya Peng Cui, Zi Yong Chen, Xiao Zhao Ma, Ying Ying Liu, Zhi Lei Xiang
The Chinese Journal of Nonferrous Metals, (2015)
Journal of Materials Engineering, 2016, 44(8): 1-10
Froes, Mechanical Alloying of Titanium-Base Alloys, J.
Journal of Alloys & Compounds, 2018, 762: 555-564
Yang, High temperature titanium alloys: status and perspective, Journal of Aeronautical Materials, 34 (2014) 1-26.
Online since: March 2018
Authors: Sergey Sidelnikov, Vladimir Baranov, Evgeniy Zenkin, Olga Yakivyuk
The alloying of such alloys with small additions of scandium provides an increase in the strength of these alloys as a result of dispersion hardening and structural hardening.
The aim of the work was to obtain samples of sheet metal and welding wire from experimental alloys of the Al-Mg system doped with scandium, as well as to study their mechanical and operational properties.
Microstructure of deformed samples from the experimental alloy (Fig. 3) consists of elongated grains of α- solid solution and inclusions of intermetallic compounds arranged in the form of lines along the grain boundaries.
Kaibyshev, Deformation structures and strengthening mechanisms in an Al-Mg-Sc-Zr alloy, Journal of Alloys and Compounds. 698 (2017) 957-966
Ma., Effects of homogenization treatments on the microstructure evolution, microhardness and electrical conductivity of dilute Al-Sc-Zr-Er alloys, Journal of Alloys and Compounds. 704 (2017) 683-692
Online since: June 2011
Authors: Guang Jie Huang, Xiao Yu Zhong, Fang Fang He, Qing Liu
Introduction Magnesium alloys find great potential applications in structural materials due to their high specific strength and excellent damping properties [1-3].
The previous studies demonstrated that magnesium alloys might undergo dynamic recrystallization (DRX) during hot working process, which significantly affected the grain refinement and improvement of ductility [5-9].
The present work aimed to investigate the co-effect of deformation temperature and strain rate on mechanical behavior and dynamic recrystallization of rolled AZ31B magnesium alloy thin sheet.
[6] Horng-yuWu, Wei-chien Hsu: Journal of Alloys and Compounds 493(2010), p.590-594 [7] S.B.Yi,S.
Watanabe: Journal of materials science 40 (2005), p. 1577 – 1582 [11] F.J.
Online since: November 2012
Authors: András Suplicz, József Gábor Kovács
It was pointed that the filler content can be increased significantly without decreasing the processability by using low melting point metal alloys because these alloys are in liquid phase under processing conditions.
In our work the aim was to prepare an injection moldable composite material with thermoplastic polymer matrix and low melting point alloy filler.
Thermal conductivity of the PP/Sn-Pb compound as a function of the alloy content According to the standard, the melt flow rate of the composite material was determined at 0, 30 and 48 wt% Sn-Pb content.
Melt flow rate of the PP/Sn-Pb compound as a function of the alloy content Summary In this experiment the thermal conductivity of polypropylene was increased using Sn60Pb40 low-melting point solder.
Cheng, The influence of low-melting-point alloy on the rheological properties of a polystyrene melt, Journal of Materials Science. 35 (2000) 4573-4581
Online since: November 2011
Authors: Jun Zhang, Yao Xin Song
Introduction The production of ferroalloy compounds for de-oxidation on steel making has been greatly developed from 1980s.
SiAlFe master alloy and C-Fe alloy were smelted in the vacuum induction furnace with a maximum of 10 kg, which were mixed with standard P-Fe samples to prepare the aimed samples.
The transformation of the Z-phase in iron-silicon alloys.
Powdering mechanism of compound de-oxidant Fe-Mn-Si-Al alloy.
Research of crumbling phenomena for ferroalloy compounds for de-oxidation.
Online since: January 2014
Authors: Walmam B. de Castro, G.C.S. Anselmo, C.J. de Araújo
Among the known shape memory alloys, NiTi is the most commonly used because of its excellent mechanical properties, corrosion resistance and biocompatibility.
Introduction In recent years shape memory alloys (SMAs) have been recognized as effective and promising means for application in various branches of engineering, e.g. space technology, medicine, robotics and actuator technology.
According with the binary phase diagram equilibrium [4] and the experimental results [4, 7], the heat treatments have a significant influence over the physical and mechanical characteristics of TiNi shape memory alloys with more than 50.5 wt. % Ni.
Kneissl: Journal of Alloys and Compounds Vol. 526 (2012), p.45
Batalud: Journal of Tongji University (Natural Science) Vol. 33 (2005), p. 350.
Online since: March 2012
Authors: Jerzy Morgiel, Jan Kusiński, Sławomir Kac, K. Kowalski, P. Matteazzi, M. Krebs, S. Cochet
The aim of this work was to investigate the microstructure of the AB5 type nanomaterial (where A = Mischmetal: La, Ce, and B = Ni, Co, Mn and Al) prepared by the high energy milling of the commercially available micro-powders.
Takagi: Roles of constituent elements and design of hydrogen storage alloys, Journal of Alloys and Compounds, 330-332 (2002) 20
Percheron-Guégan: Influence of the stoichiometry on the H-desorption rates measured in solid-gas phase and electrochemical cell for air-exposed LaNi5+x-type alloys, Journal of Alloys and Compounds, 404-406 (2005) 347
Upadhaya: Investigations of AB5-type hydrogen storage materials with enhanced hydrogen storage capacity, International Journal of Hydrogen Energy, 36 (2011)7114
Czerwiński: Characterization of metal alloy powder materials for metal-hydride anodes using thin-layer electrode approach, J.
Online since: October 2015
Authors: Mirabela Georgiana Minciună, Mădălina Simona Bălţatu, Dragos Achiţei, Petrică Vizureanu, Mircea Horia Tierean
The main metallic biomaterials are stainless steels, Co-based alloys and Ti-based alloys.
The aim of this review is to highlight the mechanical properties for several types of biomaterials, their application in medical field, especially the Ti-Mo group.
Metallic biomaterials like Ti based alloys, Co based alloys and stainless steel alloys must have a low value density like as the bone, high mechanical strength, very good fatigue properties an low elastic modulus.
Compared with stainless steel and cobalt alloys, titanium alloys have proven a superior biocompatibility.
Kong, The microstructure and properties of Ti-Mo-Nb alloys for biomedical application, Journal of Alloys and Compounds 453 (2008) 320-324
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