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Therefore, it is meaningful to develop a compound EDM milling method for processing titanium alloy components of high surface quality.
Researches of the surface quality reported a little, especially ultrasonic EDM compound processing for the titanium alloy material.
Journal of Aeronautical Materals, 2008, 28(5): 50-54
Analysis and Research about Influence Element of Mechanical Processes of Titanium alloys[J].
Chinese Journal of Aeronautics, 2008(21): 441-447

Therefore, a new technology route which is titanium alloy powders →compaction at room temperature → sintering under dynamic atmosphere of pure argon → vacuum annealing → titanium alloy product will be used to gain the aim of consolidation synergism and improve product properties of hydrogenated titanium alloy powder.
Zhao: J of Alloys and Compounds: Vol. 218 (1995), p. 233 [7] J.Q.
Huang: Special Casting and Nonferrous Alloys Vol. 27 (2007), p. 593, In Chinese [8] C.R.F.
Beneduce: Journal of Alloys and Compounds Vol. 353 (2003), p. 217 [9] L.
Ren: Journal of University of Science and Technology Beijing Vol. 30 (2008), p. 893, In Chinese [11] S.J.

One of the possible causes for disagreement in compounds identification occurs between metallurgists and crystallographers.
The data in these databases illustrate that the carbides can show many crystalline structures and some data phases are very old referring to compounds with a typical stoichiometry.
Brising, Scandinavian Journal of Metallurgy, 5 (1976), p.268
Lipatnikov, Journal of Alloys and Compounds, 269 (1998), p. 60
Loye, Journal of Alloy and Compounds, 291 (1999), p. 94

Mg is chemically active and can react with other metallic alloying elements to form intermetallic compounds.
This present work aims to investigate the effect of milling speed on the structural and properties of binary Mg-Mn alloy developed through mechanical alloying.
Alloys & Compds, 333 (2002) 219-224 [2] M.
Alloys & Compds, 488 (2009) 163-168 [3] X.
Journal of Alloys and Compounds, 365 (2004) 157–163 [12] S.

The compositions of the quaternary compounds are determined by X-ray microanalysis.
The quaternary GaInAsSb alloys lattice matched to GaSb is of potential importance for this application.
Unfortunately, the GaInAsSb alloys with band gap lower than 50.5 eV are metastable making it difficult to grow.
It was reported [8] that morphological undulations associated with surface roughness can enhance alloy decomposition, and are detrimental for growth of metastable alloys.
Jensen: Journal of Crystal Growth Vol.225, (2001), p. 420 [9] H.

The aim of this study was to evaluate the Sn addition on microstructural transformation, mechanical behaviour, and corrosion resistance of Ti-6Mo-6Nb-xSn alloys.
Niinomi, Biocompatibility of Ti-alloys for long-term implantation, Journal of the Mechanical Behavior of Biomedical Materials, 20 (2013) 407–415
Nunes, Characterization of a new beta titanium alloy, Ti-12Mo-3Nb, for biomedical applications, Journal of Alloys and Compounds, 536 (2012) S208–S210
Vijayalakshmi, “Microstructural characterization of transformation products of bcc b in Ti-15 Mo alloy, ournal of Alloys and Compounds, 658 (2016) 301–315
[15] Zhang Q, Chen J, Tan H, Lin X, Huang WD, Influence of solution treatment on microstructure evolution of TC21 titanium alloy with near equiaxed b grains fabricated by laser additive manufacture, Journal of Alloys and Compounds, 666 (2016) 380–386

However, the fabrication of components made up of Mg and Al alloys requires bonding techniques suitable for the development of Al/Mg joints.
For Al/Mg an additional issue is the different physicochemical properties of these materials, which usually lead to the formation of brittle Mg–Al intermetallic compounds and to early cracking of the joint.
Table 1: Mechanical properties of the investigated alloys.
As already observed in the literature for homogeneous Al and Mg welded joints, this behavior can be addressed to the formation of brittle intermetallic compounds.
Zhang: Journal Alloys Component Vol.466/1–2 (2008), p.368

Introduction Precipitation hardenable magnesium-heavy rare earth alloys, containing neodymium and gadolinium, are attractive for aerospace and racing automotive industries because of their high specific strength and good thermal stability.
The strength of this magnesium alloys with RE is achieved essentially via precipitation strengthening.
These alloys precipitate from the solid solution according to the sequence of phases: α-Mg→β"→β' →β.
The aim of the present paper was to determine the effect of heat treatment parameters on the microstructure of Elektron 21 magnesium alloy.
Ding: Journal of Alloys and Compounds 421 (2006), p. 309-313

Ti-Al system alloys possess high specific strength, good anticorrosion properties, and high-temperature strength at temperatures up to 1,123 K.
Insignificant specific weight and, as a consequence, low centrifugal specific stresses, are the advantages of the titanium – aluminum alloys.
It is aluminum that determines such alloys’ high specific strength.
Titanium and aluminum form intermetallic compounds of a high degree of hardness and chemical stability.
Lin: Journal of Alloys and Compounds Vol. 775 (2019), p. 1156 [3] H.

Cast alloys have heterogeneous structure and properties, so the welding of the cast designated alloys is still a challenge.
For welding of the cast alloys an increased interest appears for the magnesium [5, 6] and nickel alloys [7].
The overall effect is similar to that registered in the case of the aluminum heat treated alloy, and crack occurrence is connected with the resolidified products: liquation products, precipitated metallic compounds and coarsened constituents.
The aim of it is to complete the information about welding the cast alloys, the best way to understand the peculiarities of the cast alloys behavior and of the main influences that affect the microstructure and, as consequence, the alloy properties into the PMZ.
Journal of Materials Science 20 (1985) 213-228 [2] G.