Metal powders
Fabrication of In Situ Intermetallic Compound Dispersed Aluminum Matrix Composites by Addition of Metal Powders
... In the previous sections, we described the properties of the microstructures of pure Al with various added metal powders. In pursuit of practical applications, we applied the same process to JIS AC8A, an ...
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Fabrication and Analysis of Vanadium Based Metal Powders for Selective Laser Melting
... precise metal parts in the industrial field ...alloy powders with pure metal powders necessary for vanadium alloy material in order to meet the require- ments of selective laser melting ...
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Theoretical and experimental investigation of shock wave stressing of metal powders by an explosion
... axisymmetric scheme with the same detonation velocity, the material at the periphery of the container may not be compressed to the density of monolithic material. Therefore, for the compaction without prior premolding ...
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Preparation of metal powders from silver melt for 3D printing by melt dispersion method
... contains in its composition mainly particles of irregular shape. The shape of the powder particles of the second batch (Figure-3, b) is both irregular and spherical in approximately equal proportions. Particles of ...
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Synthesis and Surface Modification of Spindle Type Magnetic Nanoparticles: Gold Coating and PEG Functionalization
... of metal powders is typically done by growing an oxide layer over the surface of particles, covering its surface with a silica layer or with an inert metallic shell (gold, silver, platinum) creating ...
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Influence of Surface Oxide Characteristics and Speciation on Corrosion, Electrochemical Properties and Metal Release of Atomized 316L Stainless Steel Powders
... of metal release data and its possible correlation to surface characteristics and toxic response resulted recently in the generation of a substantial set of data within this area as a complement to findings in the ...
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Properties of Metal Injection Molded Products Using Titanate Containing Binders
... two powders are shown in Table 1. To prepare the feedstock, 93 mass% metal powders were kneaded with 7 mass% multi-component binders, which consisted of 40 mass% polyethylene (PE), 55 mass% paraffin ...
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Effects of Powder Recycling in Selective Laser Melting
... use metal powder to create 3D printed metal parts: direct energy deposition and powder bed fusion ...with metal is a vastly different process than material extrusion with ...of metal ...
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Investigation of icrostructure, mechanical and temperature effects on biomedical Co-25Cr-9,5W- 3,5Mo-1Si alloys fabricated by Additive Manufacturing Ebuzer Aygul 1, Senai Yalcinkaya1 and Yusuf Sahin 2,
... of metal ceramic restorations, bridges, partial dentures and secondary formwork structures as well as the above mentioned ...W-Mo-Si metal used as an doped in Co-Cr alloys can be used by adding the ...
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Investigation of Direct Metal Laser Sintering Process
... and metal powders. In the process of sintering metal powders (Direct Metal Laser Sintering - DMLS), a laser beam of high intensity directly melts a metal powder (or one of its ...
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Vol 9, No 6 (2018)
... Self lubricated porous bearings, in which pores are impregnated with oil, are extensively used in industrial applications where their low cost makes them economically viable as well as periodic lubrication is restricted ...
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Synthesis and Processing Techniques of Tungsten Copper Composite Powders for Electrical Contact Materials (A Review)
... Cu metal salts precursors, reducing and stabilizing agents in terms of nature and concentration together with tailoring the reaction parameters such as dropping rate of precursors, temperature and duration of ...
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Effect of Drying Temperature on the Characteristics of the Lead Zirconium Titanate Powders Prepared by Sol Gel Process
... as-dried powders were analyzed by TEM ...L.T powders show the amorphous ...the powders to be determined, as opposed to the particle size distribution given by laser diffraction ...H.T powders ...
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Persistence of tungsten oxide particle/fiber mixtures in artificial human lung fluids
... to cause mild pulmonary fibrosis in rats [10], though this effect was not confirmed in another study [11]. Laboratory-prepared TBO materials can generate free radicals at rates higher than asbestos in vitro, which could ...
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Dosage Forms.ppt
... Fine powders & granules External Dusting powders Insufflations Dentifrice Snuffs Ear powders Liquid dosage forms Biphasic Emulsion Suspension Monophasic Internal External Syru[r] ...
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Production and Investigation of Ceramic-Metal Composite from Electroless Ni Plated AlN and Al Powders
... Al metal matrix composites reinforced with AlN have been fabricated by Tube furnace sintering at various ...Al(%5AlN)%15Ni powders were deposited prior to sintering using electroless plating technique, ...
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Composite Ceramics Based on Nanostructured Refractory Oxide Whiskers
... of powders and synthesis ...disperse powders of refractory oxides as a rule possess low plasticity and low fluidity, plasticizers are usually ...synthesized powders with added polyvinyl alcohol ...
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Microstructure, Mechanical Properties and Wear Behavior of High-Velocity Oxygen-Fuel (HVOF) Sprayed (Cr 3C2 -NiCr Al) Composite Coating on Ductile Cast Iron
... The aim of the study was to evaluate the e ff ect of modifying chemical composition, by doping the standard powders Cr 3 C 2 -25NiCr with Al metal particles during consolidation of coati[r] ...
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Particle Characteristics and Metal Release From Natural Rutile (TiO2) and Zircon Particles in Synthetic Body Fluids
... vestigated. With some exceptions, this was in contrast to the other metals released (titanium, silicon, iron, and alu- minium), (Figure 5), further discussed in the following section. The fluids of ALF (pH 4.5) and GMB ...
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A review on selective laser sintering/melting (SLS/SLM) of aluminium alloy powders: Processing, microstructure, and properties
... base metal and/or exhibiting preferential diffusive flow from the additive to the base metal during P/M sintering, Lumley & Schaffer [114] found that the use of fine additive powders resulted in ...
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