Masahiro Seto
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View article: Application of MPS Analysis Method to a T-shaped Mold in Injection Molding
Application of MPS Analysis Method to a T-shaped Mold in Injection Molding Open
Short fiber-reinforced composites (SFRP) are being expanded for use as a material with high specific strength and specific stiffness, and SFRP has good moldability by injection molding. However, the strength and other properties decrease d…
View article: Effect of Different Feed Rates on Chip Evacuation in Drilling of Lead-Free Brass with a Small-Diameter Drill
Effect of Different Feed Rates on Chip Evacuation in Drilling of Lead-Free Brass with a Small-Diameter Drill Open
Free-cutting brass is a material whose machinability is improved by the addition of lead. It is used in a wide range of applications because of its high electrical conductivity and antibacterial properties. However, the use of lead is rest…
View article: Verification of Fiber Orientation Mechanism by Resin Flow Behavior in the Flow Front Confluence Region
Verification of Fiber Orientation Mechanism by Resin Flow Behavior in the Flow Front Confluence Region Open
Fiber Reinforced Thermo Plastic (FRTP) is used in transportation equipment due to its high strength. However, injection molded FRTP exhibits anisotropic mechanical properties due to fiber orientation caused by resin flow. In order to accur…
View article: Analysis of Glass Fiber Orientation of a GFRP Using X-ray Micro CT : Adaptation to Curved Fibers Using Spline-Curve Fitting
Analysis of Glass Fiber Orientation of a GFRP Using X-ray Micro CT : Adaptation to Curved Fibers Using Spline-Curve Fitting Open
It is important to know the distribution of the length and orientation of glass fibers (GFs) in GFRP moldings to predict their warpage. In our previous study, we developed a method to extract GFs one-by-one from 3-dimensional data acquired…
View article: Effects of Resin Flow Behavior at the Confluence of Flow Front on Fiber Orientation
Effects of Resin Flow Behavior at the Confluence of Flow Front on Fiber Orientation Open
In anticipation of global regulations on CO2emissions and the introduction of electric vehicles, etc., there is a growing need to reduce the weight of transportation equipment, which has led to the replacement of metal parts with plastic. …
View article: Evaluation of Local Flow during Injection Molding of Fiber-reinforced Plastics via Moving Particle Semi-implicit Particle Simulation
Evaluation of Local Flow during Injection Molding of Fiber-reinforced Plastics via Moving Particle Semi-implicit Particle Simulation Open
The flowability of resins and fibers during the formation of short-fiber-reinforced plastics was evaluated via moving particle semi-implicit (MPS) particle simulation. Extensive design parameters are associated with the injection molding o…
View article: Relationship Between Joining State Evaluation Using CT Image Analysis and Joining Strength in Resin-Metal Joining Injection Molded Products
Relationship Between Joining State Evaluation Using CT Image Analysis and Joining Strength in Resin-Metal Joining Injection Molded Products Open
In this study, we investigated the effects of depth of uneven structure on joining strength at the joint between an aluminum plate with uneven structure and resin in resin-metal joined injection molding. It was confirmed that the shear joi…
View article: Relationship Between Joining State Evaluation Using CT Image Analysis and Joining Strength in Resin-Metal Joining Injection Molded Products (Part１) :
Relationship Between Joining State Evaluation Using CT Image Analysis and Joining Strength in Resin-Metal Joining Injection Molded Products (Part１) : Open
In this study, the resin volume filling ratio at the joint between an aluminum plate with an uneven structure and a resin material was quantitatively evaluated using X-ray micro CT and３D image analysis. It was confirmed that, as the holdin…
View article: Improvement of energy absorption characteristics of impact absorbing member at side collision of automobile
Improvement of energy absorption characteristics of impact absorbing member at side collision of automobile Open
In recent years, the automotive industry has emphasized fuel efficiency and safety with weight saving. However, it is said that they are in conflicting relation and difficult to achieve both. In order to solve this problem, this research f…
View article: Influence of Suspension Stiffness on Handling Stability in Solar Vehicle
Influence of Suspension Stiffness on Handling Stability in Solar Vehicle Open
In recent years, the automobile industry has been required to reduce the weight of vehicles due to environmental issues. While reducing the weight of the vehicle has advantages such as improved fuel efficiency, it has an effect on driving …
View article: Optimization of shock absorbing members at collision points of automobiles
Optimization of shock absorbing members at collision points of automobiles Open
In the recent automobile industry, weight saving and fuel efficiency improvement and safety are emphasized. However, these are in conflicting relations and it is difficult to achieve both. In this research, we focus on the collision of aut…
View article: Authors’ Instruction for Preparing the Manuscript
Authors’ Instruction for Preparing the Manuscript Open
Magneto-viscous fluid is a kind of functional fluid. It is a fluid in which ferromagnetic fine particles are dispersed in a solvent such as silicone oil or hydrocarbon oil and shows the viscosity characteristic of the solvent under no magn…
View article: Influence of body rigidity on vehicle dynamics in chassis frame vehicle
Influence of body rigidity on vehicle dynamics in chassis frame vehicle Open
It is commonly believed that body rigitity on vehicle dynamics affect vehicle dynamic. So far，many reseachs have been attemped to revealed this relationship. However, electric vehicles, which are attracting attention as next-generation veh…
View article: Evaluations of relationship between vehicle rigidity and vehicle dynamics in solar car
Evaluations of relationship between vehicle rigidity and vehicle dynamics in solar car Open
Recently, the appearance of electric vehicles has changed the structure of vehicles. Therefore, it is necessary to create design guidelines tailored to the structure of the electric vehicle. In this research, we focus on the relationship b…
View article: Analysis of the Hot Warpage Deformation of a Thin-wall LCP Injection Molded Part
Analysis of the Hot Warpage Deformation of a Thin-wall LCP Injection Molded Part Open
Hot warpage of LCP (Liquid Crystalline Polymer) injection molded part used in hot environments is strongly influenced by anisotropy generated by shearing strain in injection molding process. Therefore, it is important to quantitatively cla…