[PDF] Top 20 Modeling of Residual Stress Distribution for Components Manufactured by Selective Laser Melting
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Modeling of Residual Stress Distribution for Components Manufactured by Selective Laser Melting
... optimal laser irradiation ...the residual stress distribution of parts be- ing formed by developing a thermodynamic ...of laser scan- ... See full document
5
Analytical Modeling of Residual Stress in Laser Powder Bed Fusion
... Residual stress measurements can be classified into destructive and non-destructive methods ...volumetric residual stress measurements, respectively [11, ...resultant residual stresses. ... See full document
20
Effect of pre-emptive in-situ parameter modification on residual stress distributions within selective laser melted Ti6Al4V components
... in residual stress in the I-Beam geometry, with an overall stress reduction of ...(for residual stresses within the range of 80–320 ...overall stress by temporarily applying the ... See full document
14
Effect of scanning strategies on residual stress and mechanical properties of Selective Laser Melted Ti6Al4V
... layer manufactured on Renishaw AM250 SLM machine with oxygen content in the chamber set at 50 ...that melting the surface twice increased the possibility of build atmosphere oxygen penetration further into ... See full document
13
Progressive collapse of titanium alloy micro-lattice structures manufactured using selective laser melting
... the stress triaxiality ...small components such as the aluminium ...of stress triaxiality. Weighting functions in a wide range of stress states were suggested to be obtained from the ... See full document
283
Processing Parameter Effects on Residual Stress and Mechanical Properties of Selective Laser Melted Ti6Al4V
... Selective laser melting (SLM) process is characterized by large temperature gradients resulting in high levels of residual stress within the additively manufactured metallic ... See full document
11
Residual stress development in selective laser-melted Ti6Al4V: a parametric thermal modelling approach
... thermal distribution in the melt-pool were predicted accu- rately without involving the complexity and/or longer pro- cessing time involved in using the CFD modelling ...the laser beam was considered as a ... See full document
14
Surface chemistry of Ti6Al4V components fabricated using selective laser melting for biomedical applications
... Selective laser melting (SLM) has previously been shown to be a viable method for fabricating biomedical im- plants; however, the surface chemistry of SLM fabricated parts is poorly ...traditionally ... See full document
10
AlSi12 In-Situ Alloy Formation and Residual Stress Reduction using Anchorless Selective Laser Melting
... Traditionally SLM feedstock materials were pre-alloyed pow- ders such as AlSi12, AlSi10Mg, Ti6Al4V etc. Often the powder composition of an alloy was adapted from well-established con- ventional manufacturing processes ... See full document
9
Analytical Modeling of Three-Dimensional Temperature Distribution of Selective Laser Melting of Ti-6Al-4V
... [1]. Selective laser melting (SLM) is widely used in metallic additive manufacturing, in which a high- density laser powder is utilized to fully melting layers of powders to create ... See full document
11
Reducing porosity in AlSi10Mg parts processed by selective laser melting
... Selective laser melting (SLM) is widely gaining popularity as an alternative manufacturing technique for complex and customized ...using selective laser ... See full document
10
Crystallographic Features of Microstructure in Maraging Steel Fabricated by Selective Laser Melting
... Figure 3 depicts the microstructures of the SLM-fabricated maraging steel at various magnifications. The characteristic microstructure of the SLM-fabricated sample (Fig. 3(a, b)) comprises semi-cylindrical melt pools ... See full document
12
Defect Formation Mechanisms in Selective Laser Melting: A Review
... Leuders et al [52, 63, 73] studied the mechanical properties and the growth mechanisms of fatigue cracks in the SLM titanium parts. Their results indicated that defects had a major impact on the fatigue life of the ... See full document
13
Strengths and Microstructure of SUS316L Fabricated by Selective Laser Melting
... Figures 6 and 7 show the stress-strain curves at 24C and 600C, respectively. Table 2 summarizes the mechanical properties. In terms of strength anisotropy, the ultimate ten- sile strength (UTS) of the AM 90-deg ... See full document
6
In-situ residual stress reduction, martensitic decomposition and mechanical properties enhancement through high temperature powder bed pre-heating of Selective Laser Melted Ti6Al4V
... were manufactured at 100ºC powder bed pre-heat temperature for density optimisation ...alternative). Laser power and exposure time was varied between 120-200W and 60-180µs ... See full document
28
Thermal expansion coefficients in Invar processed by selective laser melting
... thermal stress build-up within the ...on laser power (LP), point distance (PD) and exposure time (ET). The laser scan motion on the Renishaw SLM125 is a ‘point-to-point’ traverse, where the ... See full document
9
Study on Grindability of Inconel 718 Superalloy Fabricated by Selective Laser Melting (SLM)
... 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 improved ... See full document
10
Applications, Manufacturing and Thermal Characteristics of Micro Lattice Structures: Current State of the Art
... printing, Selective Laser Melting (SLM), Electron Beam Melting (EBM)), Rapid prototyping, woven metal lattices, non-woven metal lattices, self-propagating photopolymer waveguides, etc ... See full document
13
Residual Stress Modeling of Pipe Bends
... of residual stress arising from cold bending of these feeder pipes for a fitness-for-service study [2], [3], a series of simulations were undertaken to calculate the residual stresses and plastic ... See full document
8
Study and investigation of influence of process parameters for selective laser melting - a Review
... on selective laser melting of glass in international conference by using various parameters consider of glasslike dimensional accuracy, surface quality, and density of glass ...fibber laser ... See full document
9
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