Mechanical and corrosion resistance of a new nanostructured Ti–Zr–Ta–Nb alloy

Răducanu, Doina; Vasilescu, Ecaterina; Cojocaru, Vasile Dănuț; Cincă, Ion; Drob, Paula; Vasilescu, Cora; Drob, Silviu Iulian

doi:10.1016/j.jmbbm.2011.05.012

Cited by 89 publications

(48 citation statements)

References 50 publications

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“…Raducanu et al [14,38] compared the mechanical properties and corrosion resistance of the UFGTi-10Zr-5Nb-5Ta alloy with its ascast alloy. After three ARB cycles, micro hardness of the ARB processed alloy is higher than that of the as-cast alloy while the elastic modulus was only 46GPa for the ARB processed alloy.…”

Section: Accumulative Roll Bonding (Arb)mentioning

confidence: 99%

“…After three ARB cycles, micro hardness of the ARB processed alloy is higher than that of the as-cast alloy while the elastic modulus was only 46GPa for the ARB processed alloy. With regards to corrosion resistance, lower corrosion and ion release rates, higher polarization resistance for the ARB processed alloy due to the favorable effect of ARB thermo-mechanical processing made it a promising material for bone substitute, as shown in Figure 4 [14]. The Ti-25Nb-3Zr-3Mo-2Sn alloy processed by ARB 4 cycles exhibited ultrafine β grains heavily elongated in the rolling direction and nanocrystalline α phase precipitated on the β grain boundaries, leading to 70% enhancement in the ultimate tensile strength (1220MPa) and double improvement in the 0.5% proof stress (946MPa) [39].…”

Section: Accumulative Roll Bonding (Arb)mentioning

confidence: 99%

“…For two decades, several SPD methods, such as equal channel angular pressing (ECAP) [10,11], high pressure torsion (HPT) [12,13], accumulative roll bonding (ARB) [14,15] and friction stir processing (FSP) [16,17], have been developed to produce the ultrafine-grained materials. This paper examines recent developments related to fabricating ultrafine-grained biomedical titanium alloys by SPD methods.…”

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confidence: 99%

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The Ultrafine-Grained Titanium and Biomedical Titanium Alloys Processed by Severe Plastic Deformation (SPD)

Lin¹,

Wang²,

Yeung³

et al. 2013

SOJ Mater Sci Eng

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the function of our tissues and organs. Among the biomedical materials, titanium alloys have received attractions for dental and orthopedic implants due to their high strength, great corrosion resistance and biocompatibility, and low density [1,2]. Recently, a series of new β titanium alloys have been developed with low elastic modulus, containing non-toxic alloying elements such as Nb, Ta, Zr and Mo in order to tackle the stress shielding effect caused by stiffness mismatch between implants and bones [3][4][5][6].Several literatures [7][8][9] have reported that compared with traditional titanium alloys, the ultrafine-grained (UFG) biomedical titanium alloys possess higher strength, better corrosion resistance and fatigue performance. Moreover, the ultrafine-grained biomedical titanium alloys, which are usually used for orthopedic and dental implants, can induce in-growth of bone tissues, increase the interfacial strength and accelerate the repair process. An effective technique to introduce the ultrafinegrained structure is called the Severe Plastic Deformation (SPD).The Severe Plastic Deformation (SPD) results in significant grain refinement by imposing high plastic strains on metallic materials. For two decades, several SPD methods, such as equal channel angular pressing (ECAP) [10,11], high pressure torsion (HPT) [12,13], accumulative roll bonding (ARB) [14,15] and friction stir processing (FSP) [16,17], have been developed to produce the ultrafine-grained materials. This paper examines recent developments related to fabricating ultrafine-grained biomedical titanium alloys by SPD methods. More specifically, the mechanical properties and performances of biomedical titanium alloys processed by ECAP, HPT, ARB and FSP have been investigated. Techniques for SPD Methods Equal channel angular pressing (ECAP)The ECAP method is the most developed SPD techniques at IntroductionThe ultrafine-grained titanium and biomedical titanium alloys processed by Severe Plastic Deformation (SPD)It's well known that biomedical metal materials are widely employed in a various kinds of implants, devices and process equipment that contacts biological systems, which improve AbstractThe ultrafine-grained materials processed by severe plastic deformation (SPD) can be tailored to achieve superior properties and performances. Recently, the SPD methods, emerging as an effective way to grain refinement, have become attractive for fabrication of the ultrafine-grained biomedical materials, which can be adjusted to possess both favorable mechanical properties and excellent biocompatibility. Biomedical titanium alloys have become one of the most promising biomedical metallic materials, due to their high strength, low density, good biocompatibility and excellent corrosion resistance. Compared with traditional titanium alloys, the ultrafine-grained biomedical titanium alloys possess higher strength, better corrosion resistance and fatigue performance. Moreover, the ultrafine-grained biomedical titanium alloys, which are usually used for orthopedic...

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Section: Accumulative Roll Bonding (Arb)mentioning

confidence: 99%

Section: Accumulative Roll Bonding (Arb)mentioning

confidence: 99%

mentioning

confidence: 99%

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The Ultrafine-Grained Titanium and Biomedical Titanium Alloys Processed by Severe Plastic Deformation (SPD)

Lin¹,

Wang²,

Yeung³

et al. 2013

SOJ Mater Sci Eng

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show abstract

“…Traditionally, there is a focus on improving the corrosion resistance of metallic biomaterials, not only because corrosion determines the service life of devices, but also due to the side effects caused by the corrosion products [1][2][3]. In some clinical applications, such as fracture treatment, permanent metal implants are not necessary or even disadvantageous [4].…”

Section: Introductionmentioning

confidence: 99%

In vitro and in vivo studies on as-extruded Mg- 5.25wt.%Zn-0.6wt.%Ca alloy as biodegradable metal

Wenxin

Xie

et al. 2018

Sci. China Mater.

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“…Up to now, the works in this field about copper material were restricted to the corrosion behavior of ECAPed copper with and without heat treatment in different solution [14][15][16] . The ARB method for producing the nano structured sheets is a new process in comparison with the ECAP process which the product of the ARB process can be easily used in the fabrication of heat transferring pipes and other equipment that needs sheets with better physical and mechanical properties [17][18][19][20][21] . So study of the corrosion behavior in ARBed sheets will be important in heat transferring field.…”

Section: Introductionmentioning

confidence: 99%

Effect of grain size changes on corrosion behavior of copper produced by accumulative roll bonding process

et al. 2013

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The effect of changes in grain size on corrosion resistance of the pure tough pitch copper stripwas investigated in acidic and alkaline NaCl solutions. Accumulative roll bonding as sever plastic process was applied up to 8 cycles to produce the ultrafine graincopper. Polarization and electrochemical impedance tests were used for corrosion resistance investigations. Corrosion morphologies were analyzed by FE-SEM. Results showed that the corrosion resistance decreased up to cycle 2 and increased after rolled for the fourth time due to UFG grain formation after cycle 4. The corrosion degradation in cycle 8 was uniformand it was more intergranular for the sample of cycle 2 and the unrolled counterpart.

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Mechanical and corrosion resistance of a new nanostructured Ti–Zr–Ta–Nb alloy

Cited by 89 publications

References 50 publications

The Ultrafine-Grained Titanium and Biomedical Titanium Alloys Processed by Severe Plastic Deformation (SPD)

The Ultrafine-Grained Titanium and Biomedical Titanium Alloys Processed by Severe Plastic Deformation (SPD)

In vitro and in vivo studies on as-extruded Mg- 5.25wt.%Zn-0.6wt.%Ca alloy as biodegradable metal

Effect of grain size changes on corrosion behavior of copper produced by accumulative roll bonding process

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