Titanium—aluminium—manganese Alloys Prepared by Powder-Metallurgical Techniques

Grimwade, Mark

doi:10.1179/pom.1961.4.7.015

Cited by 2 publications

(1 citation statement)

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“…Titanium and its alloys as lightweight metals of high relative mechanical strength and fatigue limit, corrosion resistance, and outstanding biocompatibility at moderate costs are found in different branches of modern industry, as materials for aircraft [1,2], marine applications [3], military equipment, industrial-technological systems, automotive parts, farming fitting, sporting goods, and biomedical engineering [4,5]. In particular, in medicine, titanium-based alloys are mostly applied to fabricate long-term implants, or their parts, such as the dental, hip joint, knee, and other implants, load-bearing applications [6,7]. The most important value of these materials for medicine is in their high strengthto-density ratio, remarkable corrosion resistance, small elastic modulus compared to various metallic biomaterials, and excellent biocompatibility.…”

Section: Introductionmentioning

confidence: 99%

Influence of Surface Laser Treatment on Mechanical Properties and Residual Stresses of Titanium and its Alloys

Jażdżewska,

Majkowska-Marzec,

Ostrowski

et al. 2023

Adv. Sci. Technol. Res. J.

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Surface modification of the titanium and its alloys used in implantology with a long-pulse laser can change the surface topography, but it also leads to changes in the stress sign and magnitude in the resulting subsurface layer. The presented research was aimed at evaluating the state of stress after laser remelting with the Nd:YAG laser of preetched titanium alloys Ti6Al4V and Ti13Nb13Zr and pure titanium.The obtained surface layers were characterized using scanning electron microscopy (SEM), X-ray diffraction (XRD), optical profilography, and nanoindentation studies. Based on the results obtained after the nanoindentation tests, the character of the stresses generated in the melted layers was calculated and determined. Laser processing resulted in surface layer thicknesses between 191-320 µm and surface roughness Ra between 2.89-5.40 µm. Laser processing caused increasing hardness, and its highest value was observed for the titanium alloy Ti13Nb13Zr -5.18 GPa.The tensile stressesappeared following laser treatment andincreased with elevating laser power up to the highest value for titanium.

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