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14 labs · 0 student voices
Faculties at The University of Osaka ›
Manabu Tanaka, Professor
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The Energy Control Lab studies the properties of high-density energy sources used in welding, cutting, and similar processes, and how to control them. In particular, it examines the generation and control of arc plasmas and how heat is transported in them, from both physical and chemical perspectives. Research themes include measuring the temperature of arc plasmas during welding and simulating the flow of molten metal. On the lab's website, it is presented under the name "Tanaka Lab."
Yuichi Setsuhara, Professor
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The Energy Conversion Mechanisms Lab (Setsuhara Lab) studies the phenomena that occur between materials and processing energy sources such as plasmas and particle beams. It pursues the fundamental science needed to enhance and finely control the functions of material surfaces and interfaces, with the aim of advancing joining science. Based on its original plasma generation and control technologies, the lab conducts research on low-temperature, low-damage, high-quality material processes and on joining dissimilar materials such as organic materials and metals. The lab belongs to the Joining and Welding Research Institute, Osaka University, and is a cooperating laboratory of the Materials Science Course in the Division of Materials and Manufacturing Science, Graduate School of Engineering.
Hiroshi Nishikawa, Professor
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The Microjoining Lab conducts research and education on microjoining in electronics packaging. It covers a broad range, from developing new joining materials to establishing joining processes, clarifying their mechanisms, and evaluating reliability, advancing both fundamental science and applied technology. The lab actively accepts international students and research students from overseas, and also pursues international collaborative research with universities and research institutions abroad. The lab belongs to the Joining and Welding Research Institute, and is also a cooperating chair (Microjoining Engineering Chair) of the Division of Materials and Manufacturing Science in the Graduate School of Engineering.
Masahiro Tsukamoto, Professor
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The Laser Processing Lab studies, from the fundamentals, processing methods that use lasers to join and cut materials, modify surfaces, and separate or remove material. It works to clarify what happens during processes such as welding and cutting, and based on the results aims to build mechanisms for controlling and optimizing processing. It also evaluates the applicability of joining dissimilar materials and of metal 3D printing technology, and develops welding and joining processes suited to materials with new functions. The lab also works on surface modification, which gives materials the surface functions essential for practical use, and is advancing the controlled application of lasers and particle beams to thick-film processes such as cladding and aerosol deposition.
Kazuhiro Ito, Professor
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The Welding Mechanism Lab studies the mechanisms that determine the functions and mechanical properties of joined structures made by fusion welding, liquid-phase joining, and solid-state bonding. From a materials science perspective, it observes and analyzes the microstructure and structure of joints and interfaces, and builds models based on the results for simulation. It aims to lay the foundations of materials design for obtaining defect-free joining interfaces with excellent functions, leading to the development of new joining methods and the property evaluation of joined structures. The lab belongs to the Joining Mechanism Division of the Joining and Welding Research Institute, Osaka University, and is also introduced in the Graduate School of Engineering's laboratory directory under the name "Welding and Joining Functional Design Chair."
Hidetoshi Fujii, Professor
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The lab studies phenomena at the interfaces formed when ferrous, non-ferrous and non-metallic materials, or combinations of them, are joined or welded. It aims to clarify how interfaces form and to use that knowledge to create new interface control technologies. Its research centers on friction joining methods such as friction stir welding (FSW), friction welding and linear friction welding, as well as fusion welding methods. The lab belongs to the Joining Mechanism Division of the Joining and Welding Research Institute, Osaka University, and is also introduced as "Fujii Lab" on the lab's website. According to the lab's website, joining the lab requires passing the graduate school entrance exam for the Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University. Professor Hidetoshi Fujii also serves as director of the Nippon Steel Future Manufacturing Collaborative Research Institute and the Honda-Osaka University Joining Science and Manufacturing Collaborative Research Institute at the Joining and Welding Research Institute, and both institutes state that students take part in their research themes.
Katsuyoshi Kondo, Professor
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The lab (Kondo Lab) studies how to strengthen metallic materials such as titanium through powder sintering, metal 3D printing, and compositing with carbon nanotubes. It examines the inside of materials broadly, from atomic-scale calculations to analysis of joint interfaces between dissimilar materials and evaluation of corrosion and friction and wear. The lab is a division of the Joining and Welding Research Institute, Osaka University, and participates in the graduate school as a cooperating division of the Department of Mechanical Engineering, Graduate School of Engineering. The lab's page introduces equipment for making and examining materials, such as heat treatment equipment and electron microscopes.
Masakazu Shibahara, Professor
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The lab studies multiphysics phenomena that arise in thermal processes such as welding, joining and metal additive manufacturing (AM). It conducts research and education on numerical simulation technologies based on mathematical modeling, AI and computational mechanics. It also works on applied research in shipbuilding and large structures, such as thermal distortion prediction using AI, machine learning and digital twins. Building on methods such as the idealized explicit FEM, the lab aims to predict the deformation, residual stress and structural integrity of joined structures with high accuracy, and to realize highly efficient and highly reliable smart manufacturing technologies. The lab belongs to the Joining Evaluation Division of the Joining and Welding Research Institute, Osaka University.
Yoshiki Mikami, Professor
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The lab studies how to evaluate the performance and reliability of various kinds of structures. It views the life cycle, from design and construction through testing and service to repair, reinforcement, and maintenance, along a time axis called the “through-process.” It views the range from material microstructure through welded and joined members to whole structures, from micro to macro, along a spatial axis called “trans-scale.” The lab aims to build a design science that contributes to advancing structuring processes that use welding and joining. The lab is a research field in the Joining Evaluation Division of the Joining and Welding Research Institute.
Rinsei Ikeda, Professor
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The Joining Microstructure Evaluation Lab studies the properties of welded and joined regions from the standpoint of materials science. It aims to understand the solidification and transformation behavior of materials and to clarify how microstructures form in welds and joints. To evaluate and predict the reliability of joints, such as corrosion resistance and mechanical properties, as well as their service life, the lab carries out research using experiments and simulation. The lab is a research field of the Joining and Welding Research Institute, Osaka University, and is also introduced in the Graduate School of Engineering under the name “Joining Microstructure Design Chair.”
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