[PDF] Top 20 On the precipitation hardening of selective laser melted AlSi10Mg

... Hardness tests were conducted using a Vickers hardness tester with a load of 300 gf. The hardness of the prepared samples was expected to be influenced by the microstructure developed at different heat treatment ... See full document

... work hardening tendency, hot hardness and chemical affinity ...is precipitation hardenable nickel based superalloy strengthened by primary niobium carbide (NbC), titanium carbide (TiC), disc shaped ɣ” and ... See full document

... SLM AlSi10Mg with respect to the literature for this alloy ...SLM AlSi10Mg exceeds that of the A360 die cast material, which is the most comparable alloy to the AlSi10Mg, but the former has lower ... See full document

... In this study, the peculiarities of additively manufactured material were addressed on the example of stainless steel. It was shown that homogeneous structures can be fabricated and preheating temperatures of up to 200°C ... See full document

... Abstract: This paper focusses on the effect of hot isostatic pressing (HIP) and a solution annealing post treatment on the fatigue strength of selectively laser melted (SLM) AlSi10Mg structures. The ... See full document

... The melt pool material shows a fine cellular-dendritic structure of α-Al surrounded by inter-dendritic Si (Fig 4(b)). This characteristic microstructure has been previously reported for selectively laser ... See full document

... age hardening [6]. The laser-sintering process is characterized by extremely rapid melting and re-solidification and produces a metallurgy and corresponding mechanical properties in the as-built condition ... See full document

... Currently, selective laser melting (SLM), which is a three-dimensional printing processing, that can produce complex and precise porous parts combining with computer CAD ...present, AlSi10Mg, ... See full document

... the laser beam melts the powder line-by-line forming a consolidated layer from overlapping melt ...as laser power, scan speed, layer thickness, substrate material, and the properties of the powder [6] ... See full document

... In Direct Energy Deposition (DED) a focused energy source, in the form of a laser, arc or electron beam melts the metallic feedstock as it is deposited onto the part. Feedstock can be either powder (Fig. 1.8) or ... See full document

... the laser emits a laser beam, and the laser scanning process is completed by the angle change of the scanning ...fiber laser with a processing speed of 2-20cm3/h, a processing layer thickness ... See full document

... captured from the interaction spot, and the acoustic emission generated during the process itself, are suitable [6] and [7]. IR radiation is generated by the heated solid, liquid, and gas phases at the interaction spot. ... See full document

... in laser-PBF man- ufacture; Attar et ...un- melted particles in the manufacture of commercially pure titanium powder ...cient laser power and hence unbalanced viscosity of the liquid pool, were the ... See full document

... Laser hardening of the working surface of a metal product with power close to critical, not allowing reflow, do not give stable and required surface quality indicators ...the laser- field ... See full document

... of precipitation hardening is a challenging subject as it demands combined knowledge of precipitation strengthening mechanism and precipitate growth/coarsening ...from precipitation fraction ... See full document

... ciliary body and iris thicknesses within the first month of treatment. This is in line with the increased inflammation seen with SLT compared to ALT. Following ALT, the greatest inflammatory response was 48 hours ... See full document

... This map describes the effect of laser power, scan speed, hatch spacing and energy density on the 224. relative density of the as-built AlSi10Mg parts[r] ... See full document

... age hardening alloys both recovery and precipitation can occur in the cold-worked samples, and their interactions may cause the hardness/strength of the alloys to increase (precipitation ... See full document

... Therefore, improving oxidation resistance while maintain- ing proper creep properties is considered important. Generally, near α-Ti alloys contain Al, Zr, Sn, Mo, Nb, and Si to improve the high temperature strength and ... See full document

... All the IOP measurements, laser treatments, and follow-up evaluations were conducted by a single glaucoma specialist. The patients had been diagnosed as having either POAG, pseudoexfoliation glaucoma, pigmentary ... See full document