Effect of welding speed on butt joint quality of laser powder bed fusion AlSi10Mg parts welded using Nd:YAG laser
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Balakrishna Gogulamudi
,
Raghu Kumar Bandlamudi
Abstract
The invention of additive manufacturing technology, such as laser powder bed fusion, was initiated by the aerospace industries’ growing need for lightweight alloy components with intricate geometries. However, widespread adoption of lightweight alloy components is limited by size restrictions. Currently, only relatively small and simple-shaped objects can be efficiently produced using lightweight alloys. Thus, this research aims to investigate the effect of welding speed on butt joint quality of laser powder bed fusioned AlSi10Mg parts welded using an Nd:YAG laser. Laser beam welding is a method for welding small parts manufactured by laser powder bed fusion together to build large-scale and complex-shaped objects. Using a 2 kW continuous wave solid-state Nd:YAG laser with three different weld scan speeds (150, 175, and 200 mm min−1), autogenous, single-pass, square butt joints were created from 3 mm thick plates. Crystal orientation mapping and fractography results showed that the laser beam welding scan speed significantly impacts plastic deformation and fracture behavior. A significant amount of grain refinement and an Si-particle morphology change was realized in the weld zone’s microstructure, attributed to the increase in weld scanning speed. The transverse tensile test demonstrates that increasing the weld scan speed from 150 to 200 mm min−1 leads to significant growth in the efficiency of the weld joint, from 70 % to 77 %, arising from grain refinement (13–8 µm). However, a significant decrease in ductility is observed with increasing scan speed. In addition, it was determined that pores have substantial effect on tensile strength and ductility.
Acknowledgments
The authors would like to express their gratitude for support received from Dr. Muvvala Gopinath Department of Mechanical & Aerospace Engineering (Indian Institute of Technology, Hyderabad) for mechanical testing. Authors also express their sincere thanks to OIM and texture lab, IIT Bombay for help in EBSD testing.
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Research ethics: Not applicable.
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Competing interests: The authors declare no conflicts of interest regarding this article.
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Research funding: None declared.
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Data availability: The raw data can be obtained on request from the corresponding author.
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© 2023 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Editorial
- Additive manufacturing and allied technologies
- Original Papers
- Influence of process parameters on ageing and free vibration characteristics of fiber-reinforced polymer composites by fusion filament fabrication process
- 3D biomimetic scaffold’s dimensional accuracy: a crucial geometrical response for bone tissue engineering
- Investigation of mechanical and microstructure properties of metal inert gas based wire arc additive manufactured Inconel 600 superalloy
- Study on the influence of surface roughness on tensile and low-cycle fatigue behavior of electron beam melted Ti‐6Al‐4V
- Effect of tool pin profile on the heat generation model of the friction stir welding of aluminium alloy
- Effect of clamping position on the residual stress in wire arc additive manufacturing
- Effect of welding speed on butt joint quality of laser powder bed fusion AlSi10Mg parts welded using Nd:YAG laser
- Mechanical behaviour, microstructure and texture studies of wire arc additive manufactured 304L stainless steel
- Evolution of microstructure and properties of CoCrFeMnNi high entropy alloy fabricated by selective laser melting
- Effect of laser energy density on surface morphology, microstructure and mechanical behaviour of direct metal laser melted 17-4 PH stainless steel
- The influence of rheology in the fabrication of ceramic-based scaffold for bone tissue engineering
- Behaviour of glass fiber reinforced polymer (GFRP) structural profile columns under axial compression
- Desirability function analysis approach for optimization of fused deposition modelling process parameters
- Effect of robotic weaving motion on mechanical and microstructural characteristics of wire arc additively manufactured NiTi shape memory alloy
- Rapid tooling of composite aluminium filled epoxy mould for injection moulding of polypropylene parts with small protruded features
- Investigation of microstructural evolution in a hybrid additively manufactured steel bead
- Fused filament fabricated PEEK based polymer composites for orthopaedic implants: a review
- Design of fixture for ultrasonic assisted gas tungsten arc welding using an integrated approach
- Effect of post-processing treatment on 3D-printed polylactic acid parts: layer interfaces and mechanical properties
- Investigating the effect of input parameters on tool wear in incremental sheet metal forming
- Microstructural evolution and improved corrosion resistance of NiCrSiFeB coatings prepared by laser cladding
- Microstructure and electrochemical behaviour of laser clad stainless steel 410 substrate with stainless steel 420 particles
- News
- DGM – Deutsche Gesellschaft für Materialkunde
Articles in the same Issue
- Frontmatter
- Editorial
- Additive manufacturing and allied technologies
- Original Papers
- Influence of process parameters on ageing and free vibration characteristics of fiber-reinforced polymer composites by fusion filament fabrication process
- 3D biomimetic scaffold’s dimensional accuracy: a crucial geometrical response for bone tissue engineering
- Investigation of mechanical and microstructure properties of metal inert gas based wire arc additive manufactured Inconel 600 superalloy
- Study on the influence of surface roughness on tensile and low-cycle fatigue behavior of electron beam melted Ti‐6Al‐4V
- Effect of tool pin profile on the heat generation model of the friction stir welding of aluminium alloy
- Effect of clamping position on the residual stress in wire arc additive manufacturing
- Effect of welding speed on butt joint quality of laser powder bed fusion AlSi10Mg parts welded using Nd:YAG laser
- Mechanical behaviour, microstructure and texture studies of wire arc additive manufactured 304L stainless steel
- Evolution of microstructure and properties of CoCrFeMnNi high entropy alloy fabricated by selective laser melting
- Effect of laser energy density on surface morphology, microstructure and mechanical behaviour of direct metal laser melted 17-4 PH stainless steel
- The influence of rheology in the fabrication of ceramic-based scaffold for bone tissue engineering
- Behaviour of glass fiber reinforced polymer (GFRP) structural profile columns under axial compression
- Desirability function analysis approach for optimization of fused deposition modelling process parameters
- Effect of robotic weaving motion on mechanical and microstructural characteristics of wire arc additively manufactured NiTi shape memory alloy
- Rapid tooling of composite aluminium filled epoxy mould for injection moulding of polypropylene parts with small protruded features
- Investigation of microstructural evolution in a hybrid additively manufactured steel bead
- Fused filament fabricated PEEK based polymer composites for orthopaedic implants: a review
- Design of fixture for ultrasonic assisted gas tungsten arc welding using an integrated approach
- Effect of post-processing treatment on 3D-printed polylactic acid parts: layer interfaces and mechanical properties
- Investigating the effect of input parameters on tool wear in incremental sheet metal forming
- Microstructural evolution and improved corrosion resistance of NiCrSiFeB coatings prepared by laser cladding
- Microstructure and electrochemical behaviour of laser clad stainless steel 410 substrate with stainless steel 420 particles
- News
- DGM – Deutsche Gesellschaft für Materialkunde
