Improving surface finish and wear resistance of additive manufactured nickel-titanium by ultrasonic nano-crystal surface modification

Ma, Cunfei; Andani, Mohsen Taheri; Qin, Haifeng; Moghaddam, Narges Shayesteh; Ibrahim, Hamdy; Jahadakbar, Ahmadreza; Amerinatanzi, Amirhesam; Ren, Zhencheng; Zhang, Hao; Doll, Gary L.; Dong, Yalin; Elahinia, Mohammad; Ye, Chang

doi:10.1016/j.jmatprotec.2017.06.038

Cited by 142 publications

(48 citation statements)

References 32 publications

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“…As mentioned previously, the friction coefficient and wear rate may be affected by the real contact area due to high surface roughness [26,38]. The friction coefficient reduction and wear resistance enhancement of AM materials by UNSM treatment can be found in previous studies [13,16,29].…”

Section: Variation In Tribological Characteristicsmentioning

confidence: 74%

“…However, a newly developed cladding device has several advantages, such as compactness, light weight, affordability, and capability of working flexibly when compared with the aforementioned AM methods. Ma et al investigated the influence and effectiveness of UNSM treatment on the surface finish of biomedical nitinol alloys manufactured by SLM [16]. It was found that the UNSM treatment significantly enhanced corrosion and wear resistances of biomedical alloys.…”

Section: Introductionmentioning

confidence: 99%

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Mechanical and Tribological Characteristics of Cladded AISI 1045 Carbon Steel

et al. 2020

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This study introduces a newly developed cladding device, through printing AISI 1045 carbon steel as single and double layers onto American Society for Testing and Materials (ASTM) H13 tool steel plate. In this study, the mechanical and tribological characteristics of single and double layers were experimentally investigated. Both layers were polished first and then subjected to ultrasonic nanocrystal surface modification (UNSM) treatment to improve the mechanical and tribological characteristics. Surface roughness, surface hardness and depth profile measurements, and X-ray diffraction (XRD) analysis of the polished and UNSM-treated layers were carried out. After tribological tests, the wear tracks of both layers were characterized by scanning electron microscopy (SEM) along with energy-dispersive X-ray spectroscopy (EDX). The surface roughness (Ra and Rz) of the single and double UNSM-treated layers was reduced 74.6% and 85.9% compared to those of both the as-received layers, respectively. In addition, the surface hardness of the single and double layers was dramatically increased, by approximately 23.6% and 23.4% after UNSM treatment, respectively. There was no significant reduction in friction coefficient of both the UNSM-treated layers, but the wear resistance of the single and double UNSM-treated layers was enhanced by approximately 9.4% and 19.3% compared to the single and double polished layers, respectively. It can be concluded that UNSM treatment was capable of improving the mechanical and tribological characteristics of both layers. The newly developed cladding device can be used as an alternative additive manufacturing (AM) method, but efforts and upgrades need to progress in order to increase the productivity of the device and also improve the quality of the layers.

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Section: Variation In Tribological Characteristicsmentioning

confidence: 74%

Section: Introductionmentioning

confidence: 99%

Mechanical and Tribological Characteristics of Cladded AISI 1045 Carbon Steel

et al. 2020

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“…Moreover, as a novel surface modification technique, ultrasonic nano-crystal surface modification (UNSM) is safe, simple, and effective. It can improve the surface quality and decrease surface porosity without contact [153]. Hou et al [154] applied UNSM to the surface modification of the implant and found that UNSM can improve the mechanical properties of the implant without affecting its biological function, which indicates the UNSM has a promising application on the implant.…”

Section: Surface Modificationmentioning

confidence: 99%

Additive Manufacturing of Customized Metallic Orthopedic Implants: Materials, Structures, and Surface Modifications

Bai

Cheng

Chen

et al. 2019

Metals

131

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Metals have been used for orthopedic implants for a long time due to their excellent mechanical properties. With the rapid development of additive manufacturing (AM) technology, studying customized implants with complex microstructures for patients has become a trend of various bone defect repair. A superior customized implant should have good biocompatibility and mechanical properties matching the defect bone. To meet the performance requirements of implants, this paper introduces the biomedical metallic materials currently applied to orthopedic implants from the design to manufacture, elaborates the structure design and surface modification of the orthopedic implant. By selecting the appropriate implant material and processing method, optimizing the implant structure and modifying the surface can ensure the performance requirements of the implant. Finally, this paper discusses the future development trend of the orthopedic implant.

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“…A constant amplitude of 57% of 40 µm was used during treatment as testing showed that this amplitude provided the most consistent plastic deformation of the surface without damaging the samples. The interval for treating titanium alloys typically ranges between 10 and 70 µm [43][44][45][46]64]. The path contours were chosen to increase outwards at 71.1 µm intervals to match previous efforts and research into surface treatments on titanium [43,44,65].…”

Section: Uit Devicementioning

confidence: 99%

“…With the increasing demand for metal AM, researchers have begun to develop techniques to improve the fatigue performance by improving the surface finish and by inducing compressive residual stresses at the surface. Shot peening [42], Ultrasonic Nanocrystal Surface Modification (UNSM) [43][44][45][46] and grit blasting [47] are well known examples of beneficial treatments on AM of metals. However, none of these processes were able to address all the following simultaneously: surface roughness, surface porosity, fatigue life and tensile residual stresses.…”

Section: Introductionmentioning

confidence: 99%

Effects of Ultrasonic Impact Treatment on the Stress-Controlled Fatigue Performance of Additively Manufactured DMLS Ti-6Al-4V Alloy

et al. 2019

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Additive manufacturing (AM) offers many advantages for the mechanical design of metal components. However, the benefits of AM are offset to a certain extent by the poor surface finish and high residual stresses resulting from the printing process, which consequently compromise the mechanical properties of the parts, particularly their fatigue performance. Ultrasonic impact treatment (UIT) is a surface modification process which is often used to increase the fatigue life of welds in ship hulls and steel bridges. This paper studies the effect of UIT on the fatigue life of Ti-6Al-4V manufactured by Direct Metal Laser Sintering (DMLS). The surface properties before and after the UIT are characterized by surface porosity, roughness, hardness and residual stresses. Results show that UIT enhances the fatigue life of DMLS Ti-6Al-4V parts by suppressing the surface defects originating from the DMLS process and inducing compressive residual stresses at the surface. At the adopted UIT application parameters, the treatment improved the fatigue performance by 200%, significantly decreased surface porosity, reduced the surface roughness by 69%, and imposed a compressive hydrostatic stress of 1644 MPa at the surface. methodology, P.W., S.M., E.T. and S.N.; software, E.T.; validation, E.T., P.W.; formal analysis, E.T. and P.W.; investigation, P.W., S.M., E.T. and S.N.; resources, M.S.A.E.; data curation, E.T, P.W.; writing-original draft preparation, E.T., P.W. and S.N.; writing-review and editing, P.W. and M.S.A.E.; visualization, E.T., P.W. and S.N.; supervision, M.S.A.E.; project administration, M.S.A.E.; funding acquisition, M.S.A.E.

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Improving surface finish and wear resistance of additive manufactured nickel-titanium by ultrasonic nano-crystal surface modification

Cited by 142 publications

References 32 publications

Mechanical and Tribological Characteristics of Cladded AISI 1045 Carbon Steel

Mechanical and Tribological Characteristics of Cladded AISI 1045 Carbon Steel

Additive Manufacturing of Customized Metallic Orthopedic Implants: Materials, Structures, and Surface Modifications

Effects of Ultrasonic Impact Treatment on the Stress-Controlled Fatigue Performance of Additively Manufactured DMLS Ti-6Al-4V Alloy

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