CoCrMo Powder

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CoCrMo Powder

Product CoCrMo Powder
CAS No. N/A
Appearance Spherical Powder
Purity ≥99%,  ≥99.9%,  ≥95%(Other purities are also available)
APS 1-5 µM, 10-53 µM  (Can be customized),  Ask for other available size range.
Ingredient CoCrMo
Density 8.3g/cm3
Molecular Weight N/A
Product Codes NCZ-DCY-211/25

CoCrMo Description:

CoCrMo Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing

CoCrMo Powder Related Information :

Storage Conditions:

Airtight sealed, avoid light and keep dry at room temperature.

Please contact us for customization and price inquiry

Email: contact@nanochemazone.com

Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.

CoCrMo Powder

CoCrMo is a cobalt-chromium-molybdenum alloy powder widely used in metal additive manufacturing for biomedical, dental, aerospace, and industrial applications needing wear resistance and biocompatibility.

Overview of CoCrMo Powder

CoCrMo is a cobalt-chromium-molybdenum alloy powder widely used in metal additive manufacturing for biomedical, dental, aerospace, and industrial applications needing wear resistance and biocompatibility.

This article provides a detailed guide to CoCrMo powder covering composition, properties, AM process parameters, applications, specifications, suppliers, handling, inspection, comparisons, pros and cons, and FAQs. Key information is presented in easy-to-reference tables.

Composition of CoCrMo Powder

Element Weight % Purpose
Cobalt 58-69 Matrix element, biocompatibility
Chromium 26-30 Corrosion resistance, wear resistance
Molybdenum 5-7 Strength, wear resistance
Carbon 0.05-0.35 Carbide former
Silicon 1 max Deoxidizer
Manganese 1 max Deoxidizer
Iron 0.75 max Contamination limit

The high cobalt content provides biocompatibility while chromium and molybdenum impart strength and wear resistance.

Properties of CoCrMo Powder

Property Description
Biocompatibility Excellent compatibility with human body tissues
Wear resistance High abrasion and sliding wear resistance
Corrosion resistance Resistant to body fluids and many chemicals
Strength Tensile strength up to 1310 MPa when work hardened
Hardness Up to 54 HRC when age hardened
Fatigue strength Suitable for cyclical dynamic loading

The properties enable use for load-bearing implants and devices.

AM Process Parameters for CoCrMo Powder

Parameter Typical value Purpose
Layer height 20-50 μm Resolution vs build speed
Laser power 150-400 W Melting condition without vaporization
Scan speed 400-1200 mm/s Density versus production rate
Hatch spacing 80-120 μm Mechanical properties
Supports Tree or lattice Overhangs, internal channels
Hot isostatic pressing 1220°C, 100 MPa, 3 hrs Eliminate porosity

Parameters tailored for density, microstructure, build rate and post-processing requirements.

Applications of 3D Printed CoCrMo Parts

Industry Applications
Medical Knee/hip implants, dental crowns, surgical tools
Aerospace Turbine blades, engine components
Automotive Valve seats, turbocharger wheels
Industrial Wear-resistant tooling, flanges, seals
Oil and gas Valve parts, pumps

Benefits versus wrought CoCrMo include complex geometries, customized implants, reduced costs and lead times.

Specifications of CoCrMo Powder for AM

Parameter Specification
Particle size range 15-45 μm typical
Particle shape Spherical morphology
Apparent density > 4 g/cc
Tap density > 6 g/cc
Hall flow rate > 23 sec for 50 g
Purity >99.9%
Oxygen content <1000 ppm

Custom size distributions and controlled moisture levels available.

Handling and Storage of CoCrMo Powder

As a reactive material, careful CoCrMo powder handling is essential:

Store sealed containers away from moisture, acids, ignition sources

Prevent exposure to air and use inert gas padding

Ground equipment to dissipate static charges

Avoid dust accumulation and use dust extraction

Local exhaust ventilation recommended

Follow safety data sheet precautions

Proper techniques ensure optimal powder condition.

Inspection and Testing of CoCrMo Powder

Method Parameters Tested
Sieve analysis Particle size distribution
SEM imaging Particle morphology
EDX Chemistry and composition
XRD Phases present
Pycnometry Density
Hall flow rate Powder flowability

Testing per ASTM standards verifies powder quality and batch consistency.

Comparing CoCrMo to Alternative Alloy Powders

Alloy Biocompatibility Strength Cost Printability
CoCrMo Excellent Medium Medium Good
Titanium Ti64 Good Low High Fair
Stainless steel 316L Good Medium Medium Excellent
Inconel 718 Poor High High Good

CoCrMo provides the best combination of biocompatibility, strength, and printability for many applications.

Pros and Cons of CoCrMo Powder for AM

Pros Cons
Excellent biocompatibility and corrosion resistance Limited high temperature capability
Very good wear and abrasion resistance Susceptible to porosity during printing
Readily 3D printable and weldable Requires controlled atmosphere handling
Cost advantage versus titanium alloys Post-processing often needed
Can match wrought material properties Lower fracture toughness than stainless steels

CoCrMo enables functional metal implants and components, albeit with controlled processing requirements.

Frequently Asked Questions about CoCrMo Powder

Q: What particle size range works best for 3D printing CoCrMo alloy?

A: A typical range is 15-45 microns. It provides good powder flowability combined with high resolution and density.

Q: What post-processing methods are used on CoCrMo AM parts?

A: Hot isostatic pressing, heat treatment, surface machining, and polishing are commonly used post-processes for achieving full density and surface finish.

Q: Which metal 3D printing processes are compatible with CoCrMo alloy?

A: Selective laser melting (SLM), direct metal laser sintering (DMLS) and electron beam melting (EBM) can all process CoCrMo powder.

Q: What industries use additively manufactured CoCrMo components?

A: Medical, dental, aerospace, automotive, oil and gas, and industrial sectors benefit from 3D printed CoCrMo parts.

Q: Does CoCrMo require support structures during 3D printing?

A: Yes, supports are needed on overhangs and internal channels to prevent deformation and allow easy removal after printing.

Q: What defects can occur when printing CoCrMo powder?

A: Potential defects are porosity, cracking, distortion, incomplete fusion, and surface roughness. Most can be prevented with optimized parameters.

Q: What type of biocompatibility testing is done on CoCrMo alloys?

A: Cytotoxicity, sensitization, irritation, systemic toxicity, genotoxicity, and implantation testing per standard.

Q: How are the properties of printed CoCrMo compared to cast alloy?

A: AM CoCrMo components can achieve mechanical properties on par or better than cast and annealed counterparts when optimized.

Q: What are the main differences between CoCr F75 and SP2 alloys?

A: F75 has higher carbon for better machinability while SP2 has lower carbon plus niobium for improved particle melting behavior during printing.

Q: What density can be expected with 3D printed CoCrMo components?

A: Density above 99% is achievable for CoCrMo with ideal parameters tailored for the alloy, matching wrought material properties.

Description

Description
Note: For pricing & ordering information, please get in touch with us at sales@nanochemazone.com
Please contact us for quotes on Larger Quantities and customization. E-mail: contact@nanochemazone.com

Customization:
If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) is available upon request.

NOTE:
Images, pictures, colors, particle sizes, purity, packing, descriptions, and specifications for the real and actual goods may differ. These are only used on the website for the purposes of reference, advertising, and portrayal. Please contact us via email at sales@nanochemazone.com or by phone at (+1 780 612 4177) if you have any questions.

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