ObjectiveSelective laser melting (SLM) is a critical additive manufacturing process. However, defects that occur during the powder spreading can significantly affect the final product quality. Real-time detection of these anomalie

ObjectiveThe main methods of energy dissipation under impact loading are plastic deformation and fracturing of dot structures prepared from conventional metallic materials, which cannot satisfy the demands of multiple reuses and r

ObjectiveCeramic-particle-reinforced metal matrix composites are widely used in aerospace, energy, automotive, and other fields owing to their lightweightness, high strength, thermal-fatigue resistance, thermal-corrosion resistanc

ObjectiveIn the selective laser melting (SLM) process, the stability of the melt pool plays a crucial role in determining the surface and internal quality of the formed parts. To address the limitations imposed by unstable factors

ObjectiveAustenitic stainless steel is widely utilized in modern manufacturing due to its excellent corrosion resistance and ease of processing. However, it exhibits relatively low deformation resistance and poor hardness as well

ObjectiveWith the rapid development of high-speed trains in China, achieving lightweight designs while maintaining structural strength has become increasingly critical. Aluminum profiles are widely used in high-speed train body st

ObjectiveTitanium alloys are extensively used in the primary bearing structures of high-performance aircraft owing to their high specific strength, excellent corrosion resistance, and superior fatigue strength. Among these, the Ti

ObjectiveMagnesium alloy materials have broad application prospects in the fields of aerospace, automobile manufacturing, electronic communication, and biomedical treatment. Laser welding is one of the important means of achieving

ObjectiveWith the continuous advancement of laser deposition repair technology, its applications have expanded from static aero-engine components to rotating parts, with the GH4169 compressor blade being a notable example of this

ObjectiveDefects such as cracks, porosity, pits, undercuts, and slag inclusions commonly occur in laser welding and gas-shielded welding processes. However, imaging these defects poses a challenge, which has led to a scarcity of s

ObjectiveTitanium and titanium alloys possess advantages such as high specific strength, heat resistance, and corrosion resistance. They have irreplaceable advantages in optimizing mechanical structures, enhancing the reliability

SignificanceThis study investigates the laser welding of 1.4 mm thick hot-stamped steel with Al?Si coating using nickel-based alloy filler metal. The microstructural differences in the weld joint under varying laser powers and fee

ObjectiveSemantic segmentation algorithms based on deep learning can segment an image of the molten pool generated by the laser welding process. The results of an analysis of this molten pool can be used to adjust the welding para

ObjectiveWith the industrial application of ultra-large-scale die-casting machines, Al-Si alloys have been used to produce battery shells in new energy vehicles because of their excellent die-casting properties. Fusion welding is

ObjectiveThe femtosecond laser two-photon processing technology, known for its flexible three-dimensional (3D) high-precision machining capabilities, is commonly employed for the high-precision fabrication of various microdevices.

ObjectiveIn the cutting-edge semiconductor manufacturing domain targeting nodes below 40 nm, laser spike annealing (LSA) has emerged as a key technology. As the industry relentlessly continues to pursue miniaturization and perform

ObjectiveFemtosecond laser direct writing is a microfabrication technology that focuses a pulsed laser beam on the surface or interior of a material, causing changes in material propeties. The unique processing of femtosecond-lase

ObjectiveMicrofluidic chips are an innovative technology used for the precise manipulation of small liquid samples and show great potential in fields such as medical diagnosis, biological research, drug screening, and environmenta

ObjectiveDiamond possesses high hardness, excellent thermal conductivity, and extremely high electron mobility. Cutting tools and microelectronic heat dissipation devices have high requirements for the quality of diamond microgroo

ObjectiveThe rapid advancement of ultrafast laser technology has opened new avenues for precision manufacturing, particularly in fabricating microstructures on hard and brittle materials, such as glass. However, achieving high-qua

ObjectiveLaser micromachining technology refers to the machining of microstructures with certain sizes, shapes, and arrangements on the surface of workpieces, which can endow the material surface with characteristics such as super

ObjectiveHydrogels are a class of polymeric soft materials with a three-dimensional (3D) crosslinked hydrophilic network structure, which possess the softness and high water content of natural tissues. They offer advantages over o

ObjectiveH13 steel (4Cr5MoSiVl), a hot-working die steel, exhibits excellent wear resistance, hardness, and heat fatigue resistance. It is a crucial material for manufacturing hot extrusion and die-casting molds, which operate und

ObjectiveTitanium alloy, referred to as marine metal, is widely used in the field of marine engineering owing to its high specific strength, corrosion resistance, high pressure resistance, weldability, and other excellent characte

ObjectiveCr12MoV cold work die steel is widely used in the roll industry owing to its advantages such as low deformation, high abrasion resistance, and large bearing capacity. However, Cr12MoV rolls exhibit high hardness and britt

ObjectiveLaser cladding, a new type of surface strengthening and repair technology, has been widely used in the automobile and aerospace fields for parts repair. Owing to the limitations of the laser spot size and robot travel ran