AN APPROACH FOR SYSTEMATIC EVALUATION OF MATERIALS FOR STRUCTURAL APPLICATION
NATIONAL MATERIALS ADVISORY BOARD (NAS-NAE) WASHINGTON DC
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An approach is discussed which will enable the Services, the producers and materials engineers to decide upon the type of material evaluation tests which need to be performed for the purposes of obtaining screening, selection and design data. The necessary tests are indicated by a system which takes into account the system, vehicle, component, environment, and operational criteria. The system is based upon the preparation of a large number of applications case histories, the data from which must be recorded according to a rigid format. The compilation of the case histories makes up what is called the Applications Analysis Data Bank. The system can be coded so that the case history data can be computer-analyzed to answer a number of pertinent questions for which answers are not easily obtainable at present. A complete materials evaluation system will consist of three data banks 1 Applications Analysis, 2 Material Properties these now exist, and 3 Material Evaluation Techniques. Examples are shown to demonstrate the workings of the proposed system and the many types of questions which can be answered. The necessary steps for the further development of the system are recommended.
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