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Verder Scientific Solutions for Additive Manufacturing
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Catalog excerpts

Verder Scientific Solutions for Additive Manufacturing - 1

SOLUTIONS FOR ADDITIVE MANUFACTURING & POWDER INJECTION MOLDING Particle Characterization | Elemental Analysis | Heat Treatment | Sieving | Microstructural Analysis | Hardness Testing ELEMENTAL ANALYZERS HARDNESS TESTING MILLING SIEVING ASSISTING ADVANCED MATERIALOGRAPHY

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Verder Scientific Solutions for Additive Manufacturing - 2

VERDER SCIENTIFIC – SCIENCE FOR SOLIDS ADDITIVE MANUFACTURING & POWDER INJECTION MOLDING For a number of years Additive Manufacturing has been recognized as a key technology for Rapid Prototyping. New product iterations can be produced in a timely fashion, enabling initial functional tests which allow customers to ascertain the potential thanks to a functioning rapid prototype. This technology is advancing rapidly beyond mere prototyping as today, highly integrated parts are conceived, designed and produced using Additive Manufacturing techniques. This allows the manufacturing of highly...

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ELECTRON BEAM MELTING DIRECT METAL DEPOSITION SELECTIVE LASER SINTERING SELECTIVE LASER MELTING LASER BEAM MELTING RAPID PROTOTYPING POWDER BED FUSION Machines for cutting, mounting, polishing and etching for surface preparation as prerequisite for reliable microstructural analysis. Furnaces and ovens for heat treatment, debinding and sintering under air, inert gas, reactive gas or vacuum. Particle size and shape characterization by Dynamic Image Analysis. Sieve Shakers for separation of metal powders remaining after the 3D printing process for re-use. Elemental analyzers to determine e. ...

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Verder Scientific Solutions for Additive Manufacturing - 4

PARTICLE CHARACTERIZATION PARTICLE CHARACTERIZATION OF METAL POWDERS WITH DYNAMIC IMAGE ANALYSIS In this article, we present several examples of how the size and shape of typical metal powders like Ti64, Al, Ni, Cr, W, as well as of alloys can be characterized by Dynamic Image Analysis using the CAMSIZER X2. The advantages of this method are short analysis times, high resolution and excellent repeatability. In addition, a wealth of material data is provided, giving the user a detailed understanding of the powder quality. Image Analysis: What you see is what you get Imaging techniques...

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Verder Scientific Solutions for Additive Manufacturing - 5

Two imaging techniques are available, Static and Dynamic Image Analysis (SIA and DIA, ISO 13322-1 and 2). The static optical microscopy (SIA) has commonly been used to obtain a qualitative impression of the shape of the particles. However, the insufficient dispersion of the particles on the microscope slide and the small amount of material prevent reliable quantitative analysis. The same drawbacks are associated with Scanning Electron Microscopy, plus this method is even more difficult, expensive and time consuming. In the measurement set-up of Dynamic Image Analysis, particles, typically...

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Verder Scientific Solutions for Additive Manufacturing - 6

PARTICLE CHARACTERIZATION In the following, a selection of application examples demonstrates the suitability of DIA to comprehensively characterize metal powders. Wide range of materials, particle sizes and particle shapes Q3 [%] 90 Ti6Al4V Co-915 Co-925 CoCrW Fe Ni Ti 316-B Ni625 W Fig. 5 shows the results of the size analysis of ten different metal powders which are typical for powder metallurgical applications. Irrespective of the difference in chemistry, density, size and shape, all samples can be analyzed with the CAMSIZER X2, using one instrument setup. An automatic feeding chute...

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Verder Scientific Solutions for Additive Manufacturing - 7

PARTICLE CHARACTERIZATION Fine metal powders for Metal Injection Molding For MIM applications metal powders consisting of very fine spherical particles are required, usually with a median size below 10 |jm. The example in Fig. 7 shows the measurement results of two different types of metal powder as they are used for MIM. The analyses have been made with the CAMSIZER X2 in dry mode at 50 kPa dispersion pressure. Note that the CAMSIZER X2 is able to detect even smallest differences between the two materials and accurately characterizes the distribution width. Powder metallurgy is a major...

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Verder Scientific Solutions for Additive Manufacturing - 8

PARTICLE CHARACTERIZATION Advantages of DIA over other particle sizing techniques For metal powders, mechanical sieve analysis is traditionally the most common method for particle sizing. Standards ISO 4497 and ASTM B214 describe the most relevant procedures. The absolute lower size limit for sieve analysis is defined by the smallest practically usable mesh size of 20 µm (air jet sieving), which is well above the average particle size of many samples for AM or MIM. As a consequence, air jet sieving is not suited for the precise and reliable analysis of the whole size distribution of fine...

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Verder Scientific Solutions for Additive Manufacturing - 9

Comparison sieve analysis, dynamic image analysis and laser diffraction RETSCH TECHNOLOGY SOLUTIONS FOR ADDITIVE MANUFACTURING Performance Feature Sieve Analysis Laser Diffraction Wide dynamic measurement range Reproducibility and repeatability High resolution for narrow distributions Particle shape analysis Direct measurement technique Compatibility of results with other techniques Reliable detection of oversized grains Robust hardware, easy operation for routine analysis Analysis of individual particles High measurement speed, short measurement times Conclusion With metal injection...

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Verder Scientific Solutions for Additive Manufacturing - 10

ELEMENTAL ANALYSIS ELEMENTAL ANALYSIS AND OF METAL POWDERS METAL PARTS PRODUCED BY ADDITIVE MANUFACTURING Additive manufacturing is becoming an increasingly established production technology. However, as it is still new, the required process steps have not been uniformly defined yet. There are, for example, no industry-wide standards describing the quality control process. An established parameter is the particle shape of the powder used for AM. Particle size, however, should not be the only characteristic used for quality control. Among the metal powders used for additive manufacturing are...

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Verder Scientific Solutions for Additive Manufacturing - 11

ELEMENTAL ANALYSIS

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Verder Scientific Solutions for Additive Manufacturing - 12

ELEMENTAL ANALYSIS Elements which have an influence on the material properties The determination of the element concentrations described below should be carried out before and after the additive manufacturing process to ensure that both the raw materials and the final product possess the required quality. Titanium The quality of titanium and its alloys e.  Ti-6Al-4V (Grade 5) is influenced g. by these elements: Hydrogen [H] Has the same effect on titanium as on steel. Hydrogen may influence the formation of mixed phases in titanium alloys. Nitrogen [N] Nitrogen increases the brittleness of...

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