What is he best known for?
The fields of study he is best known for:
- Metallurgy
- Composite material
- Alloy
His primary areas of investigation include Metallurgy, Friction stir welding, Welding, Microstructure and Friction welding.
His Alloy, Grain boundary, Austenitic stainless steel, Grain size and Grain boundary strengthening study are his primary interests in Metallurgy.
His Friction stir welding research is multidisciplinary, incorporating elements of 6063 aluminium alloy, Heat-affected zone, Tensile testing and Recrystallization.
Hiroyuki Kokawa interconnects Texture, Boron nitride, Deformation, Magnesium alloy and Crystallite in the investigation of issues within Welding.
Hiroyuki Kokawa has researched Microstructure in several fields, including Slip and Diffraction.
His Friction welding research includes themes of Vickers hardness test, Precipitation hardening and Aluminium alloy.
His most cited work include:
- Microstructural evolution of 6063 aluminum during friction-stir welding (525 citations)
- Optimization of grain boundary character distribution for intergranular corrosion resistant 304 stainless steel by twin-induced grain boundary engineering (406 citations)
- Parameters controlling microstructure and hardness during friction-stir welding of precipitation-hardenable aluminum alloy 6063 (330 citations)
What are the main themes of his work throughout his whole career to date?
Hiroyuki Kokawa spends much of his time researching Metallurgy, Welding, Microstructure, Friction stir welding and Composite material.
His Metallurgy study focuses mostly on Grain boundary, Alloy, Austenitic stainless steel, Austenite and Intergranular corrosion.
His studies deal with areas such as Ferrite and Martensite as well as Welding.
His Microstructure research is multidisciplinary, incorporating perspectives in Annealing, Grain size and Scanning electron microscope.
His biological study spans a wide range of topics, including Electron backscatter diffraction, Magnesium alloy, Carbon steel and Friction welding.
The concepts of his Composite material study are interwoven with issues in Lead zirconate titanate and Ferroelectricity.
He most often published in these fields:
- Metallurgy (79.94%)
- Welding (50.15%)
- Microstructure (48.02%)
What were the highlights of his more recent work (between 2012-2021)?
- Metallurgy (79.94%)
- Welding (50.15%)
- Microstructure (48.02%)
In recent papers he was focusing on the following fields of study:
Hiroyuki Kokawa mainly investigates Metallurgy, Welding, Microstructure, Friction stir welding and Alloy.
Metallurgy is a component of his Austenitic stainless steel, Grain boundary, Intergranular corrosion, Austenite and Corrosion studies.
He focuses mostly in the field of Welding, narrowing it down to matters related to Martensite and, in some cases, Heat resistant.
As a part of the same scientific family, he mostly works in the field of Microstructure, focusing on Joint and, on occasion, Brazing.
His Friction stir welding research incorporates themes from Misorientation, Texture and Carbon steel.
His Alloy research incorporates elements of Thermal, Work, Selective laser melting, Aluminium and Inert gas.
Between 2012 and 2021, his most popular works were:
- Microstructure evolution during friction-stir welding of AZ31 magnesium alloy (101 citations)
- Mechanism of weld formation during very-high-power ultrasonic additive manufacturing of Al alloy 6061 (66 citations)
- Friction-stir welding and processing of Ti-6Al-4V titanium alloy: A review (62 citations)
In his most recent research, the most cited papers focused on:
- Composite material
- Metallurgy
- Alloy
His scientific interests lie mostly in Metallurgy, Welding, Friction stir welding, Electron backscatter diffraction and Microstructure.
His Welding study integrates concerns from other disciplines, such as Alloy and Magnesium alloy.
The Friction stir welding study combines topics in areas such as Brass, Texture and Rotational speed.
The various areas that Hiroyuki Kokawa examines in his Microstructure study include Ultrasonic welding and Softening.
His work deals with themes such as Single crystal and Grain boundary, which intersect with Austenitic stainless steel.
He combines subjects such as Intergranular corrosion and Lattice with his study of Grain boundary.
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