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Online since: March 2010
Authors: Odair Doná Rigo, Jorge Otubo, Leonardo Kyo Kabayama
Introduction Nickel-Titanium shape memory alloys (NiTi SMAs) exhibit the phenomena of thermal shape memory and superelasticity [1], and high damping capacities [2].
This work aim to present the influence of low temperature heat treatment of NiTi SMA cold drawn at different level of area reduction on the martensitic transformation temperatures measured by DSC (Differential Scanning Calorimeter).
Table 1 - Nominal chemical composition of the alloy and its transformation temperatures.
This effect occurs due to annealing temperature were conducted in range bellow the alloy's recrystallization temperature.
Abe: Journal of Alloys and Compounds, 381, (2004), p.158
Online since: March 2015
Authors: Anatoly Danilov, Alexander Razov
As previously stated, the studies performed at Saint-Petersburg State University over the course of the last decade have been partly aimed at applying the principles of dynamic fracture theory [10] to a high straining rate of NiTi shape memory alloys.
Nakhatova, Nonmonotonic shape memory in titanium nickelide, J. of Alloys and Compounds 5775 (2013) 164-167
Taya, High Strain-Rate, Small Strain Response of a NiTi Shape-Memory Alloy, Journal of Engineering Materials and Technology 127 (2005) 83-89
Novak, On the origin of Luders-like deformation of NiTi shape memory alloys, Journal of the Mechanics and Physics of Solids 53 (2005) 1719-1746
Shi, The Effect of Strain Rate on Detwinning and Superelastic Behavior of Ni Ti Shape Memory Alloys, Journal of Intelligent Material Systems and Structures 7 (1996) 138-144
Online since: April 2013
Authors: Alireza Ghaffari, Amirreza Ghaffari
Silica fume emanated or emerged from the production of elemental silicon or alloys containing silicon which consists of a non-crystalline silica dust formed during the oxidation of silicon oxide vapour and mainly gathered together in the chamber of electric arc furnaces.
Silica fume or micro silica is a byproduct of the reduction of high-purity quartz with coal in electric furnaces in the production of silicon and ferrosilicon alloys.
In cementation the silica fume acts on chemical reaction which called pozzolona reaction in which many compounds were produced by the hydration of Portland cement.
The compounds include (CSH) and calcium hydroxide (CH).
Journal, 90(2), 143-151
Online since: June 2012
Authors: F.E. Atalay, N. Bayri, V. Yagmur, S. Atalay
In this article we therefore aim to report effect of applied torsion during the electrodeposition process on MI and coil-less fluxgate properties of NiFe wire.
Experimental Composite wires of NiFe alloys were electrodeposited from a plating bath solution, details are given in [5].
Gonzalez, Magnetic field effects in artificial dielectrics with arrays of magnetic wires at microwaves, Journal of Applied Physics, 109 (2011) 053901
Atalay, Giant magnetoimpedance effect in NiFe/Cu plated wire with various plating thicknesses, Journal of Alloys and Compounds, 392 (2005) 322-328
Gonzalez, , Asymmetric torsion giant impedance in nearly-zero magnetostrictive amorphous wires with induced helical anisotropy Journal of Physics D: Applied Physics, L31–L34
Online since: January 2015
Authors: Waldemar Pyda, Elwira Czerska, Norbert Moskała, Andrzej Huczko, Agnieszka Dąbrowska
The aim of this work was to study the behavior of SiC nanofibres during high temperature consolidation of composite mixtures with a ZTA micropowder, and to determine the influence of the SiC nanofibres on selected properties of the resultant composite materials.
This fact suggests that the system was contaminated with calcium compounds.
Journal of Refractory Metals & Hard Materials 21 (2003) 109-117
Ahmad, The effects of MgO addition on microstructure mechanical properties and wear performance of zirconia-toughened alumina cutting inserts, Journal of Alloys and Compounds 497 (2010) 316-320
Journal of Refractory Metals & Hard Materials 27 (2009) 367-375
Online since: April 2019
Authors: Viktor Molnár, Tamás Makkai, István Deszpoth, János Kundrák
Nath et al. apply it in determining tool life through performing cutting experiments of super alloys [16].
In automotive industry manufacturing, among other sectors, greater emphasis is being put on aluminum alloys.
On the basis of the specific changes and the compound changes it can be stated that the effect of the three analyzed parameters is significant in terms of both the machining time and the MRR.
The machining procedure is face milling of an aluminum alloy, the tool material applied in cutting was diamond.
Kurfess, Machinability study and process optimization in face milling of some super alloys with indexable copy face mill inserts, Journal of Manufacturing Processes 20 (2015) 88–97
Online since: March 2007
Authors: B. Rauschenbach, Stephan Mändl, Carsten Blawert, Wolfgang Dietzel, V. Heitmann, M. Störmer, Y. Bohne
Using ion beam or magnetron sputtering such solid solution alloys can easily be produced from any conventional alloy (e.g.
The cooling rates were sufficient to produce solid solution alloys far beyond the equilibrium solubility, but not high enough to produce amorphous alloys in the alloy systems and concentrations used so far.
The sputtered conventional alloys and the experimental Mg-Al alloys have all the potential to provide cathodic protection for standard magnesium components.
Mitchell et al., Journal of Alloys and Compounds, 392, 2005, 127-141 [5] A.
Griguceviciene et al., Journal of Electroanalytical Chemistry, 565, 2004, 203-209 [6] M.H.
Online since: January 2023
Authors: Juniastel Rajagukguk, Jakrapong Kaewkhao, Donna Helen Rajagukguk, Chayani S. Sarumaha
The interest of these research is due to the advantages it has, including the easy and cheap cost to fabricate, low melting point, high transparent and ease of modification with other compounds [1-3].
One of the modifier compounds that is often used in glass composition is Li2O, which plays a role in modifying the network structure and cations so that it can increase the luminescence intensity of the Nd3+ ions [8].
The composition modification by adding KF compounds resulted in a new composition following the chemical formula Nd3+- doped 20Li2O-10AlF3-10NaF-10KF-49P2O5.
Journal of Rare Earths 37, no. 3 (2019): 253-259
Alloys Compd., vol. 695, pp. 590–598, 2017, doi: 10.1016/j.jallcom.2016.11.002.
Online since: December 2004
Authors: Thierry Grosdidier, A. Kellou, H. Aourag
As for many intermetallic compounds, the application of these alloys at room temperature is however limited by their low ductility [11, 13].
This indicates that Fe-rich alloys are more stable than Al-rich alloys, as confirmed by the binary phase diagram.
The additions of B, C, N, and OFe defects increases the cohesion of the FeAl alloys, whereas the presence of O in Al site decreases the stability of FeAl alloys. 4.
Fleischer, Intermetallic Compounds: Principles and Practice, Vols. 1 and 2, (J.
The effects of ternary alloying on the defect structure and mechanical properties of B2 compounds.
Online since: May 2015
Authors: Diana Irinel Băilă, Cristian Vasile Doicin, Oana Catalina Mocioiu
The powders used are in generally, stainless steel, alloy titan TA6V, alloy Co-Cr and different polyamides.
Selective Laser Sintering process [1] Titanium Alloy Powders Used in SLS Process Titanium Ti64 is a pre-alloyed Ti6AlV4 alloy (6%Al, 4%V) in fine powder form.
This class of superalloy is characterized by having excellent mechanical properties (strength, hardness), corrosion resistance and temperature resistance. [6] Such alloys are commonly used in biomedical applications such as dental and medical implants, and also for high-temperature engineering applications such as in aero engines.
SEM microscopy is determined to observe the micron size and the spherical shape and quantitative and qualitative EDAX analysis are realized to determine the chemical elements compound for this powder.
Bahrami, Novel bioactive Co-based alloy/FAnanocomposite for dental applications, Dental Research Journal, 9/2 (2012) 173-179.
Showing 1281 to 1290 of 2034 items