Lack of fusion mitigation in directed energy deposition with laser (DED-L) additive manufacturing through laser remelting

LE dos Santos Paes, M Pereira, FA Xavier… - Journal of Manufacturing …, 2022 - Elsevier
The void level of a component produced by additive manufacturing can be used to predict
the mechanical properties and in most cases it is important to develop processing …

A literature review in heat source thermal modeling applied to welding and similar processes

EJG Nascimento, E dos Santos Magalhães… - … International Journal of …, 2023 - Springer
Welding processes are a fundamental part of modern engineering manufacturing. The
simulation of materials joining techniques requires the application of thermal models …

Modeling layer geometry in directed energy deposition with laser for additive manufacturing

LE dos Santos Paes, HS Ferreira, M Pereira… - Surface and Coatings …, 2021 - Elsevier
Additive manufacturing applications in the aeronautic, automotive, and biomedical industries
have increased significantly in recent years as a result of design flexibility. In this regard …

[PDF][PDF] Influence of parameters of laser beam welding on structure of 2205 duplex stainless steel

M Landowski - Advances in materials science, 2019 - sciendo.com
Laser welding is used in modern industry, having many advantages comparing to traditional
welding technologies. Nowadays, industry sectors such as shipbuilding, automotive and …

[HTML][HTML] A pilot study of laser-welding cast basalt blocks for lunar construction

KW Farries, P Visintin, ST Smith - Case Studies in Construction Materials, 2023 - Elsevier
Using sintered or melted regolith to produce masonry units is a promising option for
constructing lunar base civil infrastructure. However, the ingredients needed to produce …

Sensitivity analysis and multi-objective optimization of tungsten inert gas (TIG) welding based on numerical simulation

LE dos Santos Paes, JR Andrade, FS Lobato… - … International Journal of …, 2022 - Springer
In welding processes, many factors contribute in achieving a required quality of the welds.
Those factors are numerous and they may interact with each other, affecting response …

Assessment of power modulation formats on penetration depth for laser welding

F Cavilha Neto, M Pereira, LE dos Santos Paes… - Journal of the Brazilian …, 2021 - Springer
Penetration depth is a relevant output for laser welding, since its increment enables the
joining of thick plates in one pass, thus contributing to productivity. A usual way of achieving …

Effect of power modulation frequency on porosity formation in laser welding of SAE 1020 steels

F Cavilha Neto, M Pereira, LE dos Santos Paes… - … International Journal of …, 2021 - Springer
This study aimed to assess and to understand the effect of modulation frequency on weld
bead porosity. A fiber laser source with a maximum power of 10 kW was used on SAE 1020 …

Path planning strategies for hardness improvement employing surface remelting in AISI 1045 steel

LE dos Santos Paes, JR Andrade, MG Prates… - Surface and Coatings …, 2021 - Elsevier
The use of remelting as heat treatment for metallic components has grown on an industrial
scale, particularly in sectors where surface hardness is a requirement. Using a conventional …

A methodology for multipass gas metal arc welding of shipbuilding steel plates with different thicknesses

JMS Dias, LE dos Santos Paes, AGM Santos… - … International Journal of …, 2023 - Springer
Welding of shipbuilding steels is considered a challenge. First, because of the requirement
to keep the metallurgical continuity that gives the material mechanical strength and …