Low Strain Rate Upset Forging of Preformed CoCrMo Powder Alloy for Load Bearing Application: A Review

Fazira, M.F.; Mohammad, M. R.; Roslani, Norazlan; Saleh, Mat Husin; Ahmad, Mohd Nazri

doi:10.1016/j.proeng.2013.12.199

Cited by 7 publications

(8 citation statements)

References 10 publications

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“…Due to their great biocompatibility, good mechanic wear, and corrosion resistance, CoCrMo alloys are frequently employed as biomaterials for orthopedic implants, particularly in artificial hip and knee joints, as well as the infrastructure of metal-ceramic implants (Augustyn-Pieniążek et al, 2013;Fazira et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

A Response Surface Modeling Study on Effects of Powder Rate and Machining Parameters on Surface Quality of CoCrMo Processed by Powder Mixed Electrical Discharge Machining

Yıldız

ÇAVDAR

Kanca

2023

Karadeniz Fen Bilimleri Dergisi

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Due to the high mechanical strength of the metals used in implant manufacture, which makes them difficult to work with using other machining techniques, EDM is frequently employed in the production of implants. In this study, the effect of powder ratio and other EDM parameters used in the machining of CrCoMo alloy, which used in implant production widely, with powder added EDM on the surface roughness of the machined part was investigated through the response surface methodology. AISI 316L stainless steel was chosen as the electrode material, and Ti6V4Al was chosen as the additive powder, taking into account their biocompatibility properties. Using a Taguchi L16 array, an experimental design was created by selecting 4 levels for each parameter of additive ratio, discharge current, Ton, and Toff. The response surface method was used, along with the experimental data, to estimate how the parameters affected Ra and Rz.

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Section: Introductionmentioning

confidence: 99%

A Response Surface Modeling Study on Effects of Powder Rate and Machining Parameters on Surface Quality of CoCrMo Processed by Powder Mixed Electrical Discharge Machining

Yıldız

ÇAVDAR

Kanca

2023

Karadeniz Fen Bilimleri Dergisi

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“…At the moment several studies of consolidation of the powder by laser sintering using the Co-Cr alloy are being developed. The mechanical, physical and electrochemical properties of Co-Cr-Mo alloy for dental implants were evaluated for better determination of the production parameters sintered, with the aim of improving the restoration and medical implants [5,6,7]. Manufacturing components in the medical and dental area by powder metallurgy techniques using the AM will provide knowledge of these processing techniques employing alloy Co-Cr in the form of particulate material.…”

Section: Introductionmentioning

confidence: 99%

Valuation of Mechanical Properties and Microstructural Characterization of ASTM F75 Co-Cr Alloy Obtained by Selective Laser Melting (SLM) and Casting Techniques

Mergulhão

Podestá²,

Neves

2017

MSF

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Advances in processes using the powder metallurgy techniques are making this technology competitive compared to the other traditional manufacturing processes, especially in medicine area. The additive rapid prototyping technique – selective laser melting (SLM) was applied in a biomaterial of CoCrMoFe alloy (ASTM F75), to study the mechanical properties and microstructural characterization in comparison between the conventional technique – casting. The gas atomized powder was investigated by their physical (as apparent density, bulk density and flow rate) and the chemical properties. The powder was analyzed using scanning electron microscope with energy-dispersed X-ray spectroscopy (SEM-EDS) and X-ray fluorescence. Specimens of standard samples were manufactured using these techniques to evaluate the mechanical properties as uniaxial tensile (yield strength, rupture tensile and elongation), transverse rupture strength and the micro hardness. The mechanical properties showed higher values in the SLM specimens than the casting specimens. Before the mechanical tests the specimens were examined using optical microscope (OM) and SEM-EDS. The micrographs revealed a microstructure with finer morphology in the SLM technique and the dendrites in the casting technique.

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“…CoCrMo alloys are known to be widely applied as biomedical implant materials [1]. Among all implant materials, CoCrMo alloy demonstrate the most useful balance in strength, fatigue, and wear along with resistance to corrosion [1].…”

Section: Introductionmentioning

confidence: 99%

Sintering Effects on the Microstructure and Mechanical Properties of CoCrMo Alloy

Hamid

Fadzil

Selamat

et al. 2016

AMR

Self Cite

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Cobalt chromium molybdenum (CoCrMo) alloy is widely used in artificial hip and knee joints because of their excellence corrosion and wear resistance, as well as good mechanical properties and biocompatibility. This study investigates the effect of sintering temperature on the microstructure and mechanical properties of CoCrMo using powder metallurgy technique. CoCrMo powder was mixed with zinc stearate and then put into the shaker mixer at 65 rpm for 3 hours. The powder was then compacted at a pressure of 18T using an automated hydraulic press and sintered at a temperature in the range of 1200 – 1400 °C under 95 Vol% N2/ 5 Vol% H2atmosphere. The microstructure, physical and mechanical properties of the samples are analyzed using scanning electron microscopy (SEM), Vickers’s microhardness tester and transverse rupture strength (TRS). The study reveals that the density, hardness and strength of CoCrMo samples increase as sintering temperature increases.

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Low Strain Rate Upset Forging of Preformed CoCrMo Powder Alloy for Load Bearing Application: A Review

Cited by 7 publications

References 10 publications

A Response Surface Modeling Study on Effects of Powder Rate and Machining Parameters on Surface Quality of CoCrMo Processed by Powder Mixed Electrical Discharge Machining

A Response Surface Modeling Study on Effects of Powder Rate and Machining Parameters on Surface Quality of CoCrMo Processed by Powder Mixed Electrical Discharge Machining

Valuation of Mechanical Properties and Microstructural Characterization of ASTM F75 Co-Cr Alloy Obtained by Selective Laser Melting (SLM) and Casting Techniques

Sintering Effects on the Microstructure and Mechanical Properties of CoCrMo Alloy

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