We will conduct benchmark research and development support for soft magnetic materials for motors, such as electrical steel sheets and powder magnetic cores.
By utilizing our material analysis technology, we can perform the following analyses on soft magnetic materials used in EV motors: 【Magnetic Measurement】 We conduct measurements of DC magnetic properties and AC magnetic measurements. Analysis of materials taken from existing motors is also possible. 【Steel Sheet Grade Investigation】 For electrical steel sheets, we can estimate JIS equivalent grades by comprehensively considering the results of material property investigations (such as hardness), component analysis, and magnetic measurements. 【Coating Investigation】 Using devices such as scanning electron microscopes (SEM), we can investigate the insulating coatings applied to steel sheets and powders. 【Development Support】 Many electrical steel sheet materials have a correlation between crystal orientation and magnetic properties, which can be quantitatively evaluated. By understanding the magnetic properties based on the orientation of the steel sheets, we contribute to motor design and improvements in manufacturing processes. Additionally, the magnetic properties deteriorate due to the strain induced by powder compression molding or steel sheet punching, but this strain can be quantitatively evaluated. This can be utilized for optimizing processing and strain removal processes.
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basic information
【Magnetic Measurement】 - DC BH - AC BH 【Steel Plate Grade Investigation】 - Microstructural investigation and plate thickness measurement using optical microscopy - Hardness measurement (Vickers, etc.) - Composition analysis (ICP emission spectrometry, etc.) 【Coating Investigation】 - Coating thickness investigation and composition analysis using electron microscopy (SEM) - Material investigation using FT-IR, etc. 【Development Support】 - Evaluation of crystal orientation and strain amount using EBSD and XRD
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Applications/Examples of results
We have a track record of evaluating the magnetic properties of soft magnetic materials extracted from existing motors. In addition, in research and development support, we have conducted evaluations of the correlation between crystal orientation and magnetic properties related to steel plate rolling processes and alloy compositions, as well as evaluations of the correlation between the amount of distortion and magnetic properties based on the molding reduction rate and magnetic annealing conditions of powder magnetic cores.
Company information
Daitō Analysis Research has been advancing the establishment of an advanced think tank based on highly reliable analysis and analytical techniques accumulated in various material fields, as well as the challenges received from a wide range of industry customers. We aim to solve our customers' various issues with the least cost and the shortest delivery time. Moving forward, we would like to support our customers' research and development using the latest equipment and advanced manpower, and assist in creating products that enrich the future.
