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Vol. 73 (2009) No. 6 P 469-474



  We constructed a database for Ni-base Superalloys development. The database includes many data related to Superalloy development in areas of chemical composition in alloy design, casting and heat treatment in processing, and results of creep tests, thermal fatigue tests, oxidation tests, and so on. This distributed-type database includes small database systems for each category of data, such that it is possible to retrieve required data from an individual category. The system, which performs all data retrieval, is arranged upstream of these small databases and refers to the data according to its relation from all small databases. While enhancing data security, the system enables effective and reliable retrieval. Using the database, evaluation and analysis can be performed using huge volumes of data related to Superalloy development.

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