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Microstructure, Hardness and Corrosion Resistance of

2021420 · This work presents the new comparative results of Co–Cr alloys, including the surface hardness, mechanical and electrochemical corrosion properties. Two types of

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: N. Zidan, M. H. AL-Saadi [PDF]

Cobalt-Chrome Technical Datasheet - Straumann

2023315 · COBALT-CHROME ALLOY TECHNICAL CHARACTERISTICS . FOR SIMEDA® CUSTOMIZED PROSTHETICS . AND RECOMMENDATIONS FOR

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: 193KB

CoCr Alloys - ScienceDirect

202011 · The most common CoCr-based alloys are of the cobalt–chromium–tungsten (Co-Cr-W) and cobalt–chromium–molybdenum (Co-Cr-Mo) types, where chromium

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Effect of Ni, W and Mo on the microstructure, phases and

202048 · Friction and wear behaviors of CoCr matrix alloys depended on the hardness, microstructure, phases, alloying elements and temperature. The Ni-rich phase,

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: Gongjun Cui, Huiqiang Liu, Sai Li, Guijun Gao, Mostafa Hassani, Ziming Kou

Comparison of wear properties of HVOF sprayed WC-Co

2019712 · The main reactions are decomposition of WC to W 2 C, mixed W x Co x C z and/or metallic tungsten [10–12, 15, 17, 20, 22]. This decomposition affects especially wear properties of the coating [11, 12, 15, 17]. Different metallic alloys such as steel, titanium, copper, aluminum, and plastic materials can be coated by hard cermet coatings.

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Material Product Data Sheet Cobalt-Chromium Alloy

2019325 · DSMA-0001.1 – CoCr Alloy Powders for Additive Manufacturing ©2016 Oerlikon Metco 1 Material Product Data Sheet Cobalt-Chromium Alloy Powders ...

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[PDF]

Material Data Sheet - SLM Solutions

2020106 · Cobalt-chromium alloys are characterized by their especially high hardness as well as high ductility. Additionally, they are ... H 217 33 V 199 8 Hardness test[10] M

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Origin of the Selective Cr Oxidation in CoCr Alloy Surfaces

2010713 · CoCr alloy surfaces are known to oxidize with the formation of stable Cr2O3 protecting films. However, the inherent mechanisms initiating the selective

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(PDF) Co-Cr Alloys as Effective Metallic

201511 · In this chapter, first, the history and current status of biomedical Co-Cr alloys such as Co-28Cr-6Mo and Co-20Cr-15W-10Ni alloys are reviewed. Their microstructure, processing, and properties are ...

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Chapter 1b Metallic Biomaterials: Cobalt-Chromium Alloys

2016612 · 1b.1 Introduction. Cobalt-chromium (CoCr) alloys have been extensively used for making various orthopedic, dental, and cardiovascular implants and devices.

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Microstructure, Hardness and Corrosion Resistance of

2021420 · This work presents the new comparative results of Co–Cr alloys, including the surface hardness, mechanical and electrochemical corrosion properties. Two types of samples were prepared by conventional casting (CST) and selective laser melting (SLM) methods. The specimens were made in rectangular sheet shape with dimensions of 20 ×

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Effect of Ni, W and Mo on the microstructure, phases and

202048 · Friction and wear behaviors of CoCr matrix alloys depended on the hardness, microstructure, phases, alloying elements and temperature. The Ni-rich phase, W-rich and Mo-rich solid solutions could sustain external load. Cr 2 WO 6, WO 3 and CoWO 4 had the hard and brittle nature. During sliding, these compounds could more easily

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[PDF]

GE+ CoCrMo Powder Data Sheet (PDS) - General Electric

202092 · • Conductivity: 12 –25 W/mK • Coeff. Thermal Expansion (CTE): 13 –15 µm/m · K • Melting Point: 1350 –1430 °C Chemical • Corrosion Resistance*5: excellent Common Standards (References) ASTM F75, ASTM F799, ASTM F1537, ISO 5832-4/12 Alloy Applications Generic Typical Alloy Properties & Standards*4 Let’s Build Anything

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The formation of sigma phase in the CoCrFeNi high

2021716 · Alloy ingots with nominal composition of Co 0.5 CrFeNi, CoCrFeNi, CoCr 0.5 FeNi, CoCrFe 0.5 Ni were synthesized by melting appropriate mixtures of high-purity (>99.95%) constituent elements at least 4 times in Ar at high temperature in an electric arc furnace to ensure chemical homogeneity. To study the effects of heat treatment,

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Origin of the Selective Cr Oxidation in CoCr Alloy Surfaces

2010713 · CoCr alloy surfaces are known to oxidize with the formation of stable Cr2O3 protecting films. However, the inherent mechanisms initiating the selective oxidation of one component, commonly observed in most metal alloys exposed to an oxidizing environment, are still largely unknown. Here we present a study of the early oxidation

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Cobalt Chromium Alloy | AMERICAN ELEMENTS

Cobalt Chromium is one of numerous metal alloys sold by American Elements under the trade name AE Alloys™. Generally immediately available in most volumes, AE Alloys™ are available as bar, ingot, ribbon, wire, shot, sheet, and foil. Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, targets ...

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First-Principle Study of the Interface of Al2O3/CoCr Metal

In this work, the interface bonding properties of Al2O3/CoCr metal matrix composites were calculated using first principles after Al2O3 was added to traditional CoCr alloys. The phase and microstructure of the CoCr alloy and the Al2O3/CoCr metal matrix composites were characterized. The results indicate that the interface binding ability of the Al2O3

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3D prints & Machined parts from Cobalt

3D Printing with CoCr. Cobalt-based alloys are used for manufacturing tools that are applied for injection molding of plastic parts using 3D printing. The excellent material qualities and high hardness of the material allow

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Co-Cr Alloys as Effective Metallic Biomaterials

20161021 · Another classification of the Co-Cr alloys focuses on Ni content. The Ni content in ASTM F 75 alloy is required to be less than 0.5 mass%, and the Ni contents in ASTM F 799 and F 1537 alloys are required to be less than 1.0mass%. Other Co-Cr alloys such as ASTM F 90 (Co-20Cr-15W-10Ni), ASTM F 562 (Co-35Ni-20Cr-10Mo), and

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Comparison of CoCr Alloy and TiN Coating in TKA

202118 · Brief Summary: In the current prospective, randomized study, two different materials of the same total knee arthroplasty (TKA) system - cobalt-chromium (CoCr) and titanium-nitride (TiN) - are going to be compared with regards to postoperative outcome. Two-hundred patients are planned to be included in the study over a 4-year period,

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Effect of Ni, W and Mo on the microstructure, phases and

202048 · Friction and wear behaviors of CoCr matrix alloys depended on the hardness, microstructure, phases, alloying elements and temperature. The Ni-rich phase, W-rich and Mo-rich solid solutions could sustain external load. Cr 2 WO 6, WO 3 and CoWO 4 had the hard and brittle nature. During sliding, these compounds could more easily

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A three-dimensional finite element analysis of mechanical

2019927 · The maximum von Mises stresses of the CoCr alloy, Ti alloy and PEEK framework were 375.48 ± 39.31 MPa, 240.17 ± 67.52 MPa and 99.54 ± 16.98 MPa (mean ± SD) respectively.

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The formation of sigma phase in the CoCrFeNi high

2021716 · Alloy ingots with nominal composition of Co 0.5 CrFeNi, CoCrFeNi, CoCr 0.5 FeNi, CoCrFe 0.5 Ni were synthesized by melting appropriate mixtures of high-purity (>99.95%) constituent elements at least 4 times in Ar at high temperature in an electric arc furnace to ensure chemical homogeneity. To study the effects of heat treatment,

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[PDF]

Material Product Data Sheet Cobalt-Chromium Alloy

2019325 · DSMA-0001.1 – CoCr Alloy Powders for Additive Manufacturing ©2016 Oerlikon Metco 1 Material Product Data Sheet Cobalt-Chromium Alloy Powders ... MetcoAdd 76A -45 +15 51 33 19 MetcoAdd 78A -45 +15 49 32 19 For the nominal range, particle size analysis 45 µm or above measured by sieve (ASTM B214), analysis below 45 µm by

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Cobalt Chromium Alloy | AMERICAN ELEMENTS

Cobalt Chromium is one of numerous metal alloys sold by American Elements under the trade name AE Alloys™. Generally immediately available in most volumes, AE Alloys™ are available as bar, ingot, ribbon, wire, shot, sheet, and foil. Ultra high purity and high purity forms also include metal powder, submicron powder and nanoscale, targets ...

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[PDF]

Surface modification of CoCr alloys by electrochemical

between PAP–CoCr disks and PMMA was measured using a tensile test machine (H25K-S, Tinius Olsen Testing Machine Co., Inc Willow Grove, PA) set up at a constant speed of 10 mm min 1. The specimens were loaded in the machine as Fig. 1 (A) Potentiodynamic curve of CoCr alloy in HCl (0.5 M). The pictures show the visual appearance of CoCr 0.5 V, CoCr

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Additive Manufacturing Cobalt Chrome Powders & Discs

Wallex® CoCr AM Powders are also manufactured from certified raw materials, ethically sourced, and produced at industrial scale using renewable energy. We also manufacture Wallex® Cobalt-Chromium Discs. You can also email us at . CONTACT. Wall Colmonoy Limited. Alloy

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Frontiers | Additive Manufacturing of Co-Cr-Mo

201533 · Co-Cr-Mo alloy samples, fabricated using Laser Engineered Net Shaping – a laser-based additive manufacturing technology, have been subjected to heat treatment to study its influence on microstructure,

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Etchants for Cobalt and Alloys -

20221212 · Etchants for Cobalt and Alloys. Etchants for Cobalt and Alloys. 18Cr-10Ni-14W alloy - Chemical etching - General macrostructure. 25Cr-10Ni-8W, 21Cr-20Ni-3W-3Mo-1Cb alloys - Chemical etching - General macrostructure. 49% Co-49% Fe-V alloy, Stellites - General macrostructure. 49Co-49Fe-V alloy - Chemical etching - General

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ASTM F75 ASTM F Cobalt Chrome Alloy 75 CoCr Alloy

2018522 · Arcam ASTM F75 CoCr alloy. ASTM F75 CoCr Alloy POST PROCESSING Heat treatment The following heat treatment program is recommended. 1. Hot isostatic pressing (HIP) in a shared cycle, with the following parameters: – 1200 °C – 1000 bar argon – 240 minutes. 2. Homogenisation (HOM) heat treatment, with the following parameters:

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[PDF]

Cobalt-Chrome Technical Datasheet - Straumann

2023315 · COBALT-CHROME ALLOY TECHNICAL CHARACTERISTICS . FOR SIMEDA® CUSTOMIZED PROSTHETICS . AND RECOMMENDATIONS FOR CERAMISATION. A/ Technical information provided by the alloy manufacturer: Chemical composition . Co Cr W Si Fe Mn C Ni 57.8 - 62.4 . 27.0 – 30.0 . 8.40 – 9.50 . 1.65 : 0.11

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Effect of Ni, W and Mo on the microstructure, phases and

202048 · Friction and wear behaviors of CoCr matrix alloys depended on the hardness, microstructure, phases, alloying elements and temperature. The Ni-rich phase, W-rich and Mo-rich solid solutions could sustain external load. Cr 2 WO 6, WO 3 and CoWO 4 had the hard and brittle nature. During sliding, these compounds could more easily

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Origin of the Selective Cr Oxidation in CoCr Alloy Surfaces

2010713 · CoCr alloy surfaces are known to oxidize with the formation of stable Cr2O3 protecting films. However, the inherent mechanisms initiating the selective oxidation of one component, commonly observed in most metal alloys exposed to an oxidizing environment, are still largely unknown. Here we present a study of the early oxidation

contact

The formation of sigma phase in the CoCrFeNi high

2021716 · Alloy ingots with nominal composition of Co 0.5 CrFeNi, CoCrFeNi, CoCr 0.5 FeNi, CoCrFe 0.5 Ni were synthesized by melting appropriate mixtures of high-purity (>99.95%) constituent elements at least 4 times in Ar at high temperature in an electric arc furnace to ensure chemical homogeneity. To study the effects of heat treatment,

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First-Principle Study of the Interface of Al2O3/CoCr Metal

In this work, the interface bonding properties of Al2O3/CoCr metal matrix composites were calculated using first principles after Al2O3 was added to traditional CoCr alloys. The phase and microstructure of the CoCr alloy and the Al2O3/CoCr metal matrix composites were characterized. The results indicate that the interface binding ability of the Al2O3

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Additive manufacturing of an Fe–Cr–Co permanent

20221230 · The lowest hardness was observed at 660 °C and was determined to be the temperature of immiscibility which was positively correlated with what Minowa et al. (Citation 1980). predicted for a pure Fe–Cr–Co alloy without Mo, which was a temperature of immiscibility of around 660 °C for the Mo free alloy.

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Conductivity of Multicomponent Alloy under Solid

1  · The characteristic of short-range order of multicomponent alloy solid solution promotes the necessity of deeply studying and establishing the microatomic structure behind the alloy components as well as the association with the corresponding macro-physical properties, so as to guide the development of high-performance multicomponent alloys

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Comparing and Optimizing Co-Cr Tubing for Stent

201727 · These alloys are non ferromagnetic and therefore MRI safe. Artifacts have been shown to be lower with Co-Cr stents than with stainless steel [7]. While the tensile properties of the 3 alloys appear comparable, L605 stands out with its higher density and stronger elastic modulus, bringing a comparative advantage in stents for radiopacity and

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Cobalt Chromium Molybdenum Alloy | AMERICAN

1  · Cobalt Chromium Molybdenum is one of numerous metal alloys sold by American Elements under the trade name AE Alloys™.Generally immediately available in most volumes, AE Alloys™ are available as bar, ingot, ribbon, wire, shot, sheet, and foil. Ultra high purity and high purity forms also include metal powder, submicron powder and

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[PDF]

Metallurgical Characterization of New Palladium

20201013 · introduced into CoCr or NiCr alloys, their corrosion resistance most likely would be expected to increase. However, Sarantopoulos et al. evaluated the corrosion properties of palladium-containing alloys and found that the incorporation of palladium had a detrimental effect on the corrosion properties of CoCr and NiCr casting alloys.4

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