selective laser melting

Selective laser melting (SLM) is an additive manufacturing approach that falls under one of seven general categories defined by the ISO/ASTM known as powder bed fusion (to learn more,

Selective laser melting (SLM) and selective electron beam melting (SEBM) are the main techniques used for additive manufacturing, besides binder jetting, laser metal deposition and ultrasonic additive manufacturing.

22.2.1 Selective laser melting process on twin cantilever and turbine blade. The SLM process considered in the frame of this book chapter concerns the fabrication of a twin cantilever ( Fig. 22.5) and a turbine blade geometry of

In this paper, GH3536 superalloy was prepared by selective laser melting (SLM) using plasma rotating electrode powder as raw material. The effects of forming and heat treatment processes on the microstructure and mechanical properties of GH3536 superalloy were studied. The results show that there were obvious micro-cracks on the

Here we report a novel selective laser melting process to simultaneously enhance the strength and ductility of stainless steel 316L by in-process engineering its microstructure into a <011>

Selective laser melting (SLM) is an additive manufacturing technology that uses a laser beam to melt powder materials together layer by layer for solid part fabrication. Due to its superior rapid prototyping capability of three-dimensional structures, SLM has been used for widespread industrial applications including aerospace,

Selective laser melting (SLM) is an advanced additive manufacturing technique that can produce complex and accurate metal samples. Since the process performs local high heat input during a very short interaction time, the physical parameters in the solidification are difficult to measure experimentally. In this work, the microstructure evolution of Ti-6Al-4V

As the name of selective laser melting suggests, this process is based on the complete melting of substance in a selective manner using a continuous laser fiber in the role of a heat source [1]. Two procedures were employed to estimate the melting and solidification temperatures of the alloy and ensure the laser-introduced energy is high

SLM® machines offer: Melt Pool Monitoring (MPM) - Visualizing the melt pool, data from MPM can be used as a resource for efficiently developing and evaluating the process parameters. In the production of safety-critical

The distinct deposition method of selective laser melting (SLM) enables the near-net-shaping of high-speed steel tools with complex geometries and integrated functions, such as adapted cooling channels, which offers economic advantages and has, thus, attracted considerable attention.

In this context, selective laser melting (SLM) can be considered as a culmination of laser manufacturing technology, which is a method for manufacturing three-dimensional objects with complex shapes using the advantages provided by lasers.

Selective laser melting (SLM) is the premier metal 3D printing technology revolutionizing the additive manufacture of metal parts, but how does it work, and which 3D printers do it best?

Selective laser melting (SLM) is one of the divisions of laser-based powder bed fusion. It is also known as an advanced form of selective laser sintering (SLS) which allows full melting of metal powder and produces a homogenous SLM part [231]. SLM is applied only to pure and alloyed metal powders.

AM can fabricate any kind of material, including metals, polymers, ceramics, composites, etc. Selective laser melting (SLM), also known as the laser-based powder bed fusion process (LPBF), is the most widely used AM techniques that can fabricate a wide variety of materials, including Al-based [4,5,6], Fe-based [7,8,9,10], Ti

The year-on-year growth in the data also indicates that more and more researchers have tried to improve the quality of the printed part by adjusting the scanning strategy. For example, Segura-Cardenas et al. [] successfully modified the permeability characteristics of selective laser melted surfaces made of austenitic stainless steel by

SLM (Selective Laser Melting) is in an additive manufacturing method specially developed for 3D Printing metal alloys. It creates parts additively by fusing metal powder particles together in a full melting process. Unlike DMLS, SLM fully melts the powder, and therefore it needs to reach a higher temperature than this other metal 3D printing

Selektives Laserschmelzen. Das selektive Laserschmelzen (englisch Selective Laser Melting, Abk. SLM) [1], auch Laser-Strahlschmelzen [2] oder pulverbettbasiertes Schmelzen von Metall mittels Laserstrahl (Abk. PBF-LB/M) [3] genannt, ist ein additives Fertigungsverfahren, das zur Gruppe der Strahlschmelzverfahren gehört.

In this work, we report the fabrication of a low modulus β-Ti alloy, Ti–35Nb–7Zr–5Ta (TNZT), by selective laser melting (SLM) with optimized laser parameters. The as-prepared SLM TNZT shows a high ultimate tensile strength (~630 MPa), excellent ductility (~15%) and a lower elastic modulus (~81 GPa) when compared to the

The laser-based powder bed fusion (LBPF) process or commonly known as selective laser melting (SLM) has made significant progress since its inception. Initially, conventional materials like 316L, Ti6Al4V, and IN-718 were fabricated using the SLM process. However, it was inevitable to explore the possible fabrication of the second most

Selective Laser Melting technology (SLM) is a very widely used technology in AM. SLM uses a high-energy laser beam to scan the metal powder on a predetermined path. It first melts the metal powder completely, then after cooling, the melted metal powder solidfies into a part. This article first describes the characteristics and equipment

Schema di funzionamento della tecnologia SLM. La tecnologia Fusione laser selettiva di metalli (in inglese: Selective Laser Melting o SLM, o LPBF Laser Powder Bed Fusion) anche conosciuta con gli acronimi DMLS (Direct Metal Laser Sintering) è una tecnologia di Stampa 3D impiegata per realizzare parti in metallo a partire da un

Selective laser melting (SLM) is an advanced AM process based on the progressive layer-by-layer manufacturing of powder materials. The three-dimensional structure of the sample is established through computer-aided design, and a high-energy beam is used to select and melt the forming material layer by layer, according to the computer graphics slice data,

Selective laser melting is one of the most popular and fastest-growing additive manufacturing technologies. This review underlines the potential of the SLM process to produce fully dense near-net-shape parts with promising properties using different grades of stainless steel.

Selective laser melting (SLM) is a common AM technique that is based on powder-bed fusion (PBF) to process metals; however, it is currently focused only on the fabrication of macroscale and mesoscale components. This paper reviews the state of the art of the SLM of metallic materials at the microscale level.

The most common additive manufacturing method is called Selective Laser Melting (SLM), developed at the Fraunhofer Institute for Laser Technol-ogy ILT [2]. Selective Laser Melting enables the produc-tion of individual parts with complex geom-etries matching the mechanical properties of parts conventionally manufactured in series

From the different AM technologies, Selective Laser Melting (SLM) is a prominent process used to fabricate near-net-shape and good surface quality parts using metal, ceramic, and polymer materials.

Design/methodology/approach. This paper reviews four significant areas of the selective laser melting (SLM) process of metallic systems within the scope of medical devices as follows: established and novel materials used, process modeling, process tracking and quality evaluation, and finally, the attempts for optimizing some process

Selective laser melting (SLM) is a powder-bed-fusion AM process whereby a high-density-focused laser beam selectively scans a powder bed and those scanned and solidified layers are stacked upon each other to build a fully functional three-dimensional part, tool, or prototype [1].

Selective laser melting (SLM) is considered one of the most promising additive manufacturing (AM) technologies, whose processing schematic diagram is shown in Fig. 2. SLM utilizes a high-energy laser beam to completely melt metal powder in a protective atmosphere along the laser path, and this molten metal rapidly

Selective laser melting (SLM) is one of many proprietary names for a metal additive manufacturing (AM) technology that uses a bed of powder with a source of heat to create metal parts. Also known as direct metal laser sintering (DMLS), the ASTM standard term is powder bed fusion (PBF).