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The microstructure evolution and performance characteristics of the heat-affected zone (HAZ) in laser welding of 10Ni5CrMoV steel are investigated. By designing novel thermal simulation specimens and utilizing a thermal ...

To achieve comprehensive optimization of performance, reliability, and economy of aviation welding products and address the challenges of strong reliance on experience, poor stability, and lack of quantitative design in ...

Aluminum/magnesium alloys have increasingly important applications in the lightweight design and manufacturing of launch vehicles due to their excellent mechanical properties. The bodies and body cover panels of new ener...

In narrow-gap laser–arc hybrid welding, the droplet transfer behavior indirectly affects the formation of porosity defects by influencing the molten pool disturbance and keyhole stability. To reveal the correspondence ...

Abstract: To investigate the interaction of heterogeneous solutes in the common molten pool flow during laser welding of heat-resistant steel and nickel-based alloy, a multiphase flow coupled welding model was establishe...

Abstract Friction Stir Welding (FSW) is the most promising solid-state metals joining method introduced in this era. Compared to the conventional fusion welding methods, this FSW can produce joints with higher mechanical...

Abstract The current research of titanium alloy on friction welding process in the field of aero-engines mainly focuses on the linear friction welding. Compared to the linear friction welding, inertial friction welding o...

Abstract Non-penetration laser welding of lap joints in austenitic stainless steel sheets is commonly preferred in fields where the surface quality is of utmost importance. However, the application of non-penetration wel...

Abstract Currently, conventional single-sided friction stir welding is primarily suitable for joining thin plate aluminum alloys, and its application to thick plates is still challenging in terms of welding efficiency an...

Abstract Friction Stir Welding (FSW) is a reliable solid-state joining technique for aluminium alloys, where conventional fusion welding often causes porosity, solidification cracking, and excessive heat-affected softeni...

Bobbin tool friction stir welding (BT-FSW) is a solid-state joining technique that produces high-strength welds without the need for backing plates. This study introduces a new variant, termed hybrid bobbin tool friction...

Abstract This article reviews the status of thermomechanical analysis of the friction stir welding (FSW) process for establishing guidelines for further investigation, filling the available research gaps, and expanding F...

The necessity to reduce the weight of transport structures, such as cars and airplanes, has become more important due to gas emission regulations. In this regard, the use of hybrid structures made of steel and aluminum i...

Abstract Ultrasonic welding is an effective ways to achieve a non-reactive/immiscible heterogeneous metal connection, such as the connection of magnesium alloy and titanium alloy. But the thermal mechanism of magnesium a...

For the molten pool behavior in K-TIG welding, the Level-Set method was used to track the changes in the free surface of the molten pool, and a two-dimensional transient numerical calculation model for stationary welding...

Electroslag welding involves high heat input, which may cause material hardening in the weld and heat-affected zone. At the same time, the electroslag weld is in an inaccessible state, making the welding quality difficul...

Abstract Arc welding processes, especially gas metal arc welding, are a common technology for joining pieces in industrial production. Therefore, welding quality depends heavily on process settings, such as synergic para...

Abstract Tool wear is a critical challenge in titanium alloy friction stir welding (FSW). Vortex flow-based FSW (VFSW) is a potential solution for this issue because the VFSW process uses a similar material to the base m...

Materias / palabras clave: Oxyacetylene welding and cutting; Unión y corte de metales

Materias / palabras clave: Welding; Metalurgia