[PDF] Top 20 Microstructure and Properties of Selective Laser Melting Forming Precipitation Hardening Stainless Steel

... completely melting, thereby achieving a complete metallurgical process, so that the surface quality and mechanical properties of the molded part are significantly ...mechanical properties of SLM ... See full document

... of microstructure and mechanical properties of fabricated components according to the material selected, and process parameters ...applied. Selective laser melting (SLM) is the commonly ... See full document

... Porosity, residual stresses, and cracking as a consequence of hot shortness, and poor surface finish are among the problems associated with the SLS/SLM process as a result of the generation of uneven thermal gradients in ... See full document

... and precipitation of solid ...basic microstructure and mechanical properties of M2 HSS based on SLM technology, it shows that with the increase of the substrate temperature, the microstructure ... See full document

... Regarding heat affected zone, its microstructure is critical for welded joint properties. In general, narrow HAZ of about 400 - 500 µm was observed for the exam- ined welds (Figures 10(a), 11(a)). The heat ... See full document

... Page 7 of 27 porosities of both alloys, measured on the micro-sections. The relative density (RD) is 99.93% for Co-Cr-Mo and 99.86% for Co-Cr-W respectively. On a side note, relative densities obtained via micro-sections ... See full document

... for stainless steels for implant application, we determined how solution treatment and cold rolling affect the microstructure and mechanical properties of stainless ...5832 stainless ... See full document

... of selective laser melting (SLM) and high-strength aluminum alloys (Al alloys) has been discussed in mainly the aerospace ...processability, microstructure, and mechanical ...mechanical ... See full document

... speed, laser power, substrate material, and the properties of the powders, based on experiments on various metal ...in stainless steel scan tracks dominated by scan speeds and laser ... See full document

... The images captured for quality inspection and microstructure at different welding zones were displayed. Then, results obtained from microhardness testing and tensile testing were tabulated. After that, the ... See full document

... However, a number of studies in recent years have demonstrated successful aluminium processing, and have gone on to explore its potential for use in advanced, AM componentry. In addition to enabling the fabrication of ... See full document

... Conventional process Inconel 718 is regarded as a hard-to-machine material because of numerous strengthening phases, low thermal conductivity, and a severe work-hardening phenomenon [10]. Numerous studies have ... See full document

... S136 steel could be beneficial to pro- mote the corrosion ...enous microstructure, together with an improved dis- solution of alloying elements but nearly without any ...the properties of SLM samples ... See full document

... Ductile Iron (DI) consists of graphite in the form of nodules or spheroids in a matrixof either ferrite or pear- lite [10,11]. DI is not a single material but part of a group of materials which can be produced to have a ... See full document

... by laser-PBF, using a Q-switched mode-locked Nd:YAG laser with wavelength 1064 ...the properties of a layer with a laser-generated non-contact ultrasonic wave pattern, detecting the wave and ... See full document

... on microstructure and the tensile properties of the Al-20Si alloy processed by SLM have been ...tensile properties of the Al-20Si alloy are dependent on the heat treatment ... See full document

... [3], selective laser sintering (SLS) [4], selective laser melting (SLM) [5], electron beam melting (EBM) [6] and binder jet 3D printing (BJ3DP) ...mechanical properties, ... See full document

... structures. Selective laser melting (SLM) is an AM technology for the production of metal parts from powders using a high intensity infra-red laser [1, ...mechanical properties of parts ... See full document

... Considering the microstructure of 1.4404, there are no obstacles for ongoing grain growth. Thus, subsequent heat inputs, i.e. due to the neighbouring scan track or subsequent layer being generated, the grains of ... See full document

... today. Steel wire or strip can be hardened primarily in two ways: cold working, or quenching and ...tempering. Stainless steels can also be hardenable in a similar fashion, but an additional strength path ... See full document