Trial Manufacture of a Testing Machine and Establishment of a Testing Method for Long-Term, Long-Period Creep-Fatigue.

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In the research project, co-laborative works on the investigation of testing machines and testing methods for long-term, long-period creep-fatigue were conducted, and the following items were analyzed and argued.1. Fundamental characteristics of high temperature low cycle fatigue (LCF):Cyclic deformation behaviors, Fracture or crack behaviors, Factors affecting fatigue failure life2. Estimating methods of failure life of high temperature LCF:Many kinds of estimating methods, Their concepts and subjects of question3. Examples of high temperature fatigue design:Power electric plants, Nuclear energy plants, Shipping diesel engines, The present situation of fatigue design4. Testing methods of long-term, long-period LCF:Objectives and methods of LCF testing, Testing machines for long-term, long-period LCFThese were published in a report as a joint statement.