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Yoshida Lab
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The lab strengthens metal materials used in automobiles and aircraft.
AboutAbout the lab
Making and toughening the materials that support machines.
The Yoshida Lab studies metal materials used in automobiles, aircraft, and power systems.
By combining computer simulation with experiments, the lab predicts the defects and distortion that arise during casting and heat treatment.
Its results are also applied to parts such as rocket engine components in national space development projects.
Key terms
- Finite Element Method (FEM)
- A simulation technique that divides a part of complex shape into small elements to calculate the forces and heat acting on it
- Residual stress
- Invisible internal stress and distortion left inside a part during the manufacturing process
- Solidification cracking
- Cracks that form inside a metal when it cools and solidifies from the molten state
NewsLab news
View More ↗ResearchResearch themes
The Yoshida Lab studies how to improve the performance of metal materials used in automobiles, aircraft, and power systems. By combining computer simulation, such as the finite element method, with experiments, it aims to build next-generation manufacturing processes.
*Illustrative imageDevelopment of SiC Power Modules
The lab studies new bonding technologies for semiconductor modules used in electric vehicles and similar applications, and verifies their reliability through numerical simulation.
*Illustrative imagePredicting Casting Defects in Aluminum Alloys
The lab investigates, from many angles, the causes of cracking during casting in aluminum alloys used for automotive parts.
*Illustrative imagePredicting Residual Stress in Cast Parts
The lab uses computational thermal stress analysis to predict the stress and distortion that remain in parts after casting and heat treatment.
*Illustrative imagePredicting Reaction Force in Sand Casting
For sand casting, which is used to make parts such as engine components, the lab performs analyses that account for the reaction force of the sand mold, allowing it to predict residual stress inside the part more accurately.
MembersFaculty
Members of the Yoshida Lab are faculty, visiting researchers, and students in the doctoral, master's, and undergraduate programs.As of 2024
- ProfessorMakoto Yoshida
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “In-stream inoculation addition while molten cast iron is poured to a green sand mold in a foundry in Bangladesh” Sm faysal / CC BY-SA 4.0 (cropped)
- Development of SiC Power Modules: “Bulk Silicon Carbide Crystal” LaMèreVeille / CC BY-SA 4.0 (cropped)
- Predicting Casting Defects in Aluminum Alloys: “Cracked dry mud ( )” USDAgov / Public domain (cropped)
- Predicting Residual Stress in Cast Parts: “Buckled rails on the Yarra Valley Railway” Lankyrider / CC BY-SA 4.0 (cropped)
- Predicting Reaction Force in Sand Casting: “Forma” Lukas Stavek / CC BY-SA 3.0 (cropped)
- Related lab (滝沢研究室): “Orion CPAS parachute drop test - Mains deploy” NASA/JSC / Public domain (cropped)
- Related lab (岩崎研究室): “Artificial tricuspid heart valve” Stif Komar / CC BY-SA 3.0 (cropped)
- Related lab (松原研究室): “Photoelasticity - Spiked castor cup” Colin / CC BY-SA 4.0 (cropped)
- Related lab (菅野研究室): “Servo-electric 5-Finger gripping hand - Schunk SVH” NearEMPTiness / CC BY-SA 4.0 (cropped)
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