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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...

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...

With the continuous improvement of lightweight requirements for equipment, Mg alloys are increasingly widely used, and their joining with traditional steel materials is essential. However, Mg and Fe have almost no solid ...

Butt welding between SLM-formed AlSi10Mg and rolled 6061 alloy (T6 state) was conducted by the tungsten inert-gas arc welding(TIG) method. The microstructure and mechanical properties of TIG welded joints under different...

A study on the microstructure, mechanical properties, and heat treatment process of pure tantalum TIG joints was conducted. Industrial computed tomography (CT), OM, and SEM were used to characterize the microstructure of...

To meet the requirements of precision and high-performance diffusion bonding for titanium alloy structures, pure graphite was used as the position limitation block. Diffusion bonding tests of TA15 titanium alloy samples ...

Porous ceramics are widely used in fields such as heat insulation, filtration, sound absorption, and catalysis due to their good chemical stability, as well as the high permeability and large specific surface area of por...

Inconel 625 alloy exhibits excellent high-temperature performance and corrosion resistance and is frequently used as a protective coating material for oxidation resistance, corrosion resistance, and wear resistance. Howe...

Arc plasma heat flow cutting, as a novel thermal cutting technology, shows excellent application prospects in the field of material processing. To achieve the control of heat and jet during the arc heat flow cutting proc...

Railway transportation is the main artery of the national economy, developing towards high speed, heavy load, and complex application environments. The performance and service safety of critical load-bearing components o...

Through the laser-wire coaxial additive manufacturing technology, laser melting deposition experiments of GH4169 superalloy under different offsets were carried out, and the effects of different offsets on the microstruc...