Friction Stir Welding of AlSi10Mg Plates Produced by Selective Laser Melting

Scherillo, Fabio; Astarita, Antonello; Prisco, Umberto; Contaldi, Vincenzo; Petta, Paolo Di; Langella, A.; Squillace, Antonino

doi:10.1007/s13632-018-0465-y

Cited by 26 publications

(19 citation statements)

References 15 publications

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“…In recent years, there has also been a growing interest in welding aluminum alloys made with SLM. Scherillo et al [ 9 ] studied Friction stir welding (FSW) of SLMed AlSi10Mg alloys. The results showed that FSW refined the grains and reduced the porosity, which led to an increase in microhardness.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Welded Joint Properties on an AISI316L Stainless Steel Tube Manufactured by SLM Technology

et al. 2020

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This work is focused on the analysis of the influence of welding on the properties and microstructure of the AISI316L stainless steel tube produced by 3D printing, specifically the SLM (Selective Laser Melting) method. Both non-destructive and destructive tests, including metallographic and fractographic analyses, were performed within the experiment. Microstructure analysis shows that the initial texture of the 3D print disappears toward the fuse boundary. It is evident that high temperature during welding has a positive effect on microstructure. Material failure occurred in the base material near the heat affected zone (HAZ). The results obtained show the fundamental influence of SLM technology in terms of material defects, on the properties of welded joints.

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Section: Introductionmentioning

confidence: 99%

Analysis of Welded Joint Properties on an AISI316L Stainless Steel Tube Manufactured by SLM Technology

et al. 2020

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“…Other properties of the SLM-fabricated metals and alloys such as tribological properties [ 205 , 206 , 207 , 208 , 209 , 210 , 211 , 212 , 213 , 214 , 215 , 216 , 217 , 218 , 219 ], fatigue properties [ 122 , 209 , 210 , 211 , 212 , 213 , 214 , 215 ], thermal conductivity [ 112 , 136 , 214 , 215 ], weldability [ 112 , 216 , 217 , 218 , 219 , 220 ], and corrosion [ 221 , 222 , 223 , 224 , 225 , 226 ] have also been studied recently.…”

Section: Other Propertiesmentioning

confidence: 99%

“…Friction stir welding (FSW) was successfully used to weld SLM AlSi10Mg plates by Scherillo et al [ 219 ]. They showed that the layer-by-layer morphology created by SLM is broken down during FSW, leading to a more homogenous microstructure and finer grains.…”

Section: Other Propertiesmentioning

confidence: 99%

Selective Laser Melting of Aluminum and Its Alloys

et al. 2020

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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 popular structural material after Fe-based alloys/steel, the Al-based alloys by SLM. Al-based alloys exhibit some inherent difficulties due to the following factors: the presence of surface oxide layer, solidification cracking during melt cooling, high reflectivity from the surface, the high thermal conductivity of the metal, poor flowability of the powder, low melting temperature, etc. Researchers have overcome these difficulties to successfully fabricate the different Al-based alloys by SLM. However, there exists no review dealing with the fabrication of different Al-based alloys by SLM, their fabrication issues, microstructure, and their correlation with properties in detail. Hence, the present review attempts to introduce the SLM process followed by a detailed discussion about the processing parameters that form the core of the alloy development process. This is followed by the current research status on the processing of Al-based alloys and microstructure evaluation (including defects, internal stresses, etc.), which are dealt with on the basis of individual Al-based series. The mechanical properties of these alloys are discussed in detail followed by the other important properties like tribological properties, fatigue properties, etc. Lastly, an outlook is given at the end of this review.

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“…The hardness of the metal decreased when moving from the fusion zone to the heat-affected zone, which was most likely due to precipitation of c'' at the fusion site hardening the material, which has been observed in cold-rolled sheets of Ni 718 from previous work. 13 Post-weld heat treatment could be used to equilibrate the microstructure and consequently the hardness and mechanical properties.…”

Section: Mechanical Propertiesmentioning

confidence: 99%

“…11 Previous work has produced conflicting results when friction stir welding (FSW) AlSi10Mg. Du et al 12 found that a significant decrease in microhardness in the stir zone was observed, Scherillo et al 13 determined that welds harder than the parent material can be obtained.…”

Section: Introductionmentioning

confidence: 99%

Joining Technologies for Metal Additive Manufacturing in the Energy Industry

Gill

Terry

Abdi

et al. 2020

JOM

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Additive manufacturing (AM) has captured the imagination of the manufacturing community and has revolutionary potential across a number of energy applications. One particular challenge for these applications is the large size of metal AM components that are compelling to be printed. This necessitates welding and joining processes to integrate metal AM parts into larger assemblies, as well as the ability to repair and rework metal AM parts that may have defects. This work characterizes the microstructural and mechanical properties of metal parts produced through laser-based powder bed fusion (L-PBF) and electron beam powder bed fusion (EB-PBF) and then subsequently welded. The results show possibilities for gas tungsten arc welding (GTAW) and friction stir welding (FSW) as feasible rework and repair solutions for AM-printed AlSi10Mg, Ni 718, and Ti64. More research attention to this area will improve the viability of L-PBF and electron beam melting AM technology for energy applications.

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Friction Stir Welding of AlSi10Mg Plates Produced by Selective Laser Melting

Cited by 26 publications

References 15 publications

Analysis of Welded Joint Properties on an AISI316L Stainless Steel Tube Manufactured by SLM Technology

Analysis of Welded Joint Properties on an AISI316L Stainless Steel Tube Manufactured by SLM Technology

Selective Laser Melting of Aluminum and Its Alloys

Joining Technologies for Metal Additive Manufacturing in the Energy Industry

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