Quantitative evaluation of the hardened structure is possible using EBSD.
Due to the different crystal structures of martensite and austenite, it is possible to evaluate the phase distribution and quantitatively assess the area fraction of residual austenite using EBSD. Additionally, there is a specific crystallographic orientation relationship between martensite and austenite. Therefore, by reconstructing austenite from the crystallographic orientation measurement results of martensite, it is possible to measure the old austenite grain size. This method is also effective for materials that are difficult to etch.
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basic information
Since martensite and austenite have different crystal structures, it is possible to evaluate the phase distribution and quantitatively assess the area fraction of residual austenite using EBSD. Additionally, there is a specific crystallographic orientation relationship between martensite and austenite. Therefore, by reconstructing austenite from the crystallographic orientation measurement results of martensite, it is possible to measure the size of the old austenite grains.
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P3
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Applications/Examples of results
Quantitative evaluation of the area fraction of retained austenite and quantitative evaluation of the grain size of the former austenite.
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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.