Severe Plastic Deformation of Commercial Pure Titanium (CP-Ti) for Biomedical Applications: A Brief Review

Mahmoodian, Reza; Annuar, N. Syahira M.; Faraji, Ghader; Bahar, Nadia Dayana; Razak, Bushroa Abd; Sparham, Mahdi

doi:10.1007/s11837-017-2672-4

Cited by 20 publications

(6 citation statements)

References 124 publications

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“…[1][2][3][4][5] Furthermore, UFG commercial purity titanium (CP Ti) shows excellent mechanical properties [6] and corrosion resistance [7] which leads to a potential for use as medical implants and for structural parts in aerospace applications. [8,9] Earlier research strength and high ductility after cryorolling and the ductility of UFG CP Ti from cryogenic deformation at 77 K was higher than the value obtained at RT. [29,30] Cryorolling was also used to produce UFG Ti and alloys [31][32][33][34][35][36][37] and there is a report that both strength and the fatigue limit were increased after cryorolling compared with Ti processed by ECAP when all other processing parameters were similar.…”

Section: Introductionmentioning

confidence: 97%

“…[ 1–5 ] Furthermore, UFG commercial purity titanium (CP Ti) shows excellent mechanical properties [ 6 ] and corrosion resistance [ 7 ] which leads to a potential for use as medical implants and for structural parts in aerospace applications. [ 8,9 ] Earlier research showed that the strength and microhardness of UFG Ti follow the conventional Hall–Petch relationship. [ 10 ]…”

Section: Introductionmentioning

confidence: 99%

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Microstructural Evolution and Mechanical Properties of Ultrafine‐Grained Ti Fabricated by Cryorolling and Subsequent Annealing

Wang

Yan

et al. 2020

Adv Eng Mater

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showed that the strength and microhardness of UFG Ti follow the conventional Hall-Petch relationship. [10] Several severe plastic deformation (SPD) techniques have been used to fabricate UFG samples, including Ti, such as highpressure torsion (HPT), [11-13] multidirectional forging, [14] friction stir welding, [15] equal-channel angular pressing (ECAP), [5,16,17] and special rolling technology. [18,19] It was reported that the strength of UFG Ti processed by HPT reached %1200 MPa [11] and there was a strength of %930 MPa in UFG Ti fabricated by multiforging and subsequent rolling. [14] There is a report that the mechanical properties and corrosion resistance of CP Ti after continuous ECAP plus short-duration annealing was comparable with the as-received sheets [20] and UFG Ti prepared by ECAP þ rolling had a higher strength than Ti-6Al-4V alloys. [21] Recently, a shear drawing technique was developed to fabricate UFG Ti bars and the results showed that the strength was improved to %590 MPa compared with %470 MPa in conventional drawing. [22] Deformation at cryogenic temperature may further refine the grain size compared with deformation at room temperature (RT). Aluminum alloys [23-25] and copper alloys [26-28] showed high

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Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Microstructural Evolution and Mechanical Properties of Ultrafine‐Grained Ti Fabricated by Cryorolling and Subsequent Annealing

Wang

Yan

et al. 2020

Adv Eng Mater

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“…Severe plastic deformation techniques such as equal channel angular pressing (ECAP), multi-directional forging (MDF), accumulative roll bonding (ARB), high pressure torsion (HPT), and thermomechanical processes such as hot rolling (HR) and hot extrusion (HE) have the great potential to improve the (bulk) mechanical properties of materials [5]. There are also SPD processes such as ultrasonic peening, burnishing, ultrasonic nanocrystalline surface modification (UNSM), and surface mechanical attrition treatment (SMAT) [6,7] that only change the surface structure and properties of the material at their surface regions.…”

Section: Introductionmentioning

confidence: 99%

Enhancing the tribological properties of pure Ti by pinless friction surface stirring

Ashoori,

Jafarzadegan,

Taghiabadi

et al. 2023

Materials Science and Technology

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Friction surface stirring (FSS) was employed to enhance the tribological properties of commercially pure Ti (CP-Ti). Applying FSS under the optimised process parameters (i.e. rotation and traverse speeds of 100 rpm and 8 mm/min, respectively) was found to increase the surface hardness of as-received CP-Ti from about 200–630 HV. The sliding wear resistance was therefore increased by 76, 76, and 85% under applied loads of 5, 10, and 20 N, respectively. The average friction coefficient (AFC) of CP-Ti also reduced considerably by the FSS. For instance, the AFC was reduced from 0.67 ± 0.07 and 1.04 ± 0.14 to about 0.33 ± 0.03 and 0.45 ± 0.04 at the applied loads of 5 and 20 N, respectively. The wear and friction mechanisms were also discussed.

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“…Although pure titanium exhibits better biocompatibility than titanium alloys, it presents several disadvantages such as easy oxidation, difficulty in forming, and low strength when compared to the latter 9) . Under these circumstances, in recent years, the development of processing methods that can alter the properties of metals by generating ultrafine grains with a crystal size of less than 1 μm is attracting much attention from both clinicians and materials scientists 10) . This is primarily because grain refinement can increase the strength of metals without the need for additional alloying elements 11,12) .…”

Section: Introductionmentioning

confidence: 99%

Application of multi-directional forged titanium for prosthetic crown fabrication by CAD/CAM

et al. 2021

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Titanium are often used as dental materials, pure titanium present low strength and titanium alloy is reported poor biocompatibility, respectively. To overcome the problem, we fabricated high-strength multi-directional forged (MDF) titanium with improved mechanical properties without changing the chemical composition and evaluated its applicability in prosthetic crowns. Cutting tests: the average absolute value of the difference before and after cutting was calculated as the uncut amount. Surface evaluations: MDF titanium, pure titanium, and the Ti-6Al-4V alloy were the surface properties (the surface roughness, the contact angles, glossiness) of the samples were evaluated. The fitness test used digital data. These demonstrated that the good workability of high-strength MDF titanium. The surface-roughness and contact-angle properties of MDF titanium and pure titanium were similar. The fitness test showed no significant differences between MDF titanium and pure titanium crowns. These results suggest that MDF titanium is promising for fabricating prosthetic crowns in dental applications.

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Severe Plastic Deformation of Commercial Pure Titanium (CP-Ti) for Biomedical Applications: A Brief Review

Cited by 20 publications

References 124 publications

Microstructural Evolution and Mechanical Properties of Ultrafine‐Grained Ti Fabricated by Cryorolling and Subsequent Annealing

Microstructural Evolution and Mechanical Properties of Ultrafine‐Grained Ti Fabricated by Cryorolling and Subsequent Annealing

Enhancing the tribological properties of pure Ti by pinless friction surface stirring

Application of multi-directional forged titanium for prosthetic crown fabrication by CAD/CAM

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