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A previous paper described the material state and process path model (MSAPPM) . The MSAPPM specifies the elements and relationships necessary for the flexible storage of data from materials experiments. The current paper shows that three different forms of low-cycle fatigue tests have a similar pattern of description by the MSAPPM. Modern analysis procedures can benefit from this similarity because data access becomes consistent across all other possible configurations of such tests.
The MSAPPM is not yet fully mature. The current paper reveals that a separate storage hierarchy is necessary to model the test environment, and a special representation of time ensures that the physical reality of the experimental procedure is fully apparent. Further issues may demand extensions to the model. However, along with other solutions for the flexible representation of materials information, the MSAPPM attempts to achieve a sufficiently rich and accurate description of data. Global sharing of information will depend heavily on such descriptive capabilities.
data management, materials modeling, data modeling, experimental data, large data volumes, computerized material property databases, computers, data systems, materials databases
STA fellow, National Research Institute for Metals (NRIM), TSUKUBA,
HTM-DB project leader, Commission of the European Communities, JRC IAM, ZG PETTEN,
Professor of engineering materials, Imperial College, LONDON,