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Article
Heat-Affected Zone Characteristics with Post-Weld Heat Treatments in Austenitic Fe–Mn–Al–C Lightweight Steels
This study investigates the relationship between the mechanical characteristics and microstructural transitions in heat-affected zone (HAZ) of various austenitic Fe–Mn–Al–C lightweight steels. The analysis was...
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Article
Correlation Between Constituent Phase and Weld Metal Properties in Ni-Reduced Duplex Stainless Steel
The intrinsic properties of austenite and ferrite on the mechanical properties and corrosion resistance of the duplex stainless steel weld metals was studied by substituting Ni with Mn, N, and Mn + N. The prop...
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Article
Kinetics Study on Low-Temperature Tempering of Martensitic Phase in Medium Mn Steel Weldment During Paint-Baking Heat Treatment
The kinetics of low-temperature tempering in a dissimilar resistance spot weldment between medium Mn transformation-induced plasticity (MT) steel and dual-phase (DP) steel were investigated to interpret the ch...
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Article
Surface Metallization and Ceramic Deposition on Thermoplastic-Polymer and Thermosetting-Polymer Composite Via Atmospheric Plasma Spraying
A spray coating technique is an excellent method for surface metallization and ceramic deposition to widen the application fields of irreplaceable engineering polymers. In this study, Al metallization and Al2O3 d...
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Article
Fusion Weldabilities of Advanced High Manganese Steels: A Review
A large amount of manganese has been added to next-generation advanced high strength steels for automotive applications. The increased manganese content changes the microstructural and mechanical characteristi...
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Article
Shock Absorption Effect on Particle Fragmentation and Microstructural Features of Vacuum-Kinetic-Sprayed Al2O3 Film on Polycarbonate Substrate
As the demand for flexible devices has increased, polymers have become very promising materials for these applications because they have excellent flexibility, lightweight, and low cost. Vacuum kinetic sprayin...
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Article
Impact Behavior for Successful Particle–Particle Bonding in Vacuum Kinetic Spraying
This study investigated the impact behavior of ceramic particles in vacuum kinetic spray (VKS), also known as aerosol deposition method, for successful coating build-up using both experimental methods and nume...
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Article
Reactivity Enhancement and Fabrication of Al-MoO3 Thermite Coating Using Ball Milling for Kinetic Spraying
Thermite materials, which are a pyrotechnic composition of metal and metal oxide, can create bursts of heat and high temperature thanks to an exothermic reduction–oxidation reaction. Fabrication methods of bul...
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Article
Microstructural and Inclusion Characteristics of C–Mn Steel Welds at a Minimal Level of Titanium
To better determine the lower limit of titanium content for the formation of acicular ferrite, C–Mn steel welds varying the titanium concentration at a minimal level from nearly zero to about 30 ppm have been ...
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Article
Correlation of Plasma Erosion Resistance and the Microstructure of YF3 Coatings Prepared by Vacuum Kinetic Spray
To decrease the generation of contamination particles during semiconductor manufacturing processes, a plasma-erosion-resistant coating that can prevent particle dropout on the surface of the wafer etching cham...
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Article
Tribological and Microstructural Properties of Carbon Steel Coatings Fabricated by Wire Arc Spray
Thermal spray is a widely used process employed for the reduction of engine weight by replacing heavy cast iron liners inserted in cylinder bores. In particular, twin wire arc spray (TWAS) is one of the most p...
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Article
Computational Research on Factors Affecting Particle Velocity in a Vacuum Kinetic Spray Process
In vacuum kinetic spraying (VKS) systems, also called aerosol deposition, the particle velocity is crucial because kinetic energy determines successful deposition. However, various factors simultaneously affec...
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Article
Roles of (Fe, Mn)3Al Precipitates and MBIP on the Hot Ductility Behavior of Fe–30Mn–9Al–0.9C Lightweight Steels
In the automotive industry, lightweight steel has received much attention because steel comprises a significant portion of a vehicle’s total weight. Fe–Mn–Al–C steel is a representative lightweight steel due t...
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Article
Formation of Secondary Phases and Their Effect on the Mechanical Properties of Joints Formed by TLP Bonding Using Fe–B–Si Insert Metal in Duplex Stainless Steel
We studied the effects of secondary phases on the mechanical properties of joints formed by transient liquid-phase bonding in nitrogen-containing duplex stainless steel UNS S32750. Transient liquid-phase bondi...
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Article
Performance Comparison of Double-Layer Liner for Shaped Charge Fabricated Using Kinetic Spray
Shaped charge (SC) ammunition is a weapon designed to penetrate armor. The functions of the liner, which is a core component of the SC, are penetration and explosion. Because of the increasing necessity for th...
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Article
Roles of Particle Size Distribution in Bimodal Feedstocks on the Deposition Behavior and Film Properties in Vacuum Kinetic Spraying
Vacuum kinetic spray (VKS), also called aerosol deposition method, is a spray process that makes it possible to fabricate dense ceramic films at room temperature. Although the deposition rate of VKS is better...
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Article
Inflight Particle Behavior in the Vacuum Kinetic Spray Process
The vacuum kinetic spray (VKS) process, also-called aerosol deposition, is a promising spray technology by which a thin or thick film can be fabricated at room temperature. Although a number of relevant studie...
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Article
Correlation of Fracture Mode Transition of Ceramic Particle with Critical Velocity for Successful Deposition in Vacuum Kinetic Spraying Process
Vacuum kinetic spraying (VKS) is a promising room-temperature process to fabricate dense ceramic films. However, unfortunately, the deposition mechanism is still not clearly understood. In this respect, the cr...
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Article
Correlation of Impact Conditions, Interface Reactions, Microstructural Evolution, and Mechanical Properties in Kinetic Spraying of Metals: A Review
In the past, most studies into kinetic spraying technology focused on basic research, but a large portion of current research is devoted to industrial applications of the technology. To advance, however, studi...
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Article
Kinetic Spraying Deposition of Reactive-Enhanced Al-Ni Composite for Shaped Charge Liner Applications
Liners used in shaped charges (SC) must possess good penetration ability and explosive power. Producing the reactive layer (i.e., the Al-Ni composite) on a well-penetrating liner (i.e., Cu) via spray coating i...