Microstructural characteristics and low cycle fatigue properties at 230 °C of different weld zone materials from a 100 mm thick dissimilar weld of ultra-supercritical rotor steel
Source abstract
Abstract
Abstract The low cycle fatigue properties at 230 °C and the microstructures of the material in different zones of 100-mm thick dissimilar joint made of ultra-supercritical rotor steels were studied. The microstructures, failure path and the fatigue fracture surfaces were characterized by scanning electron microscope and transmission electron microscopy. The relationship between strain level and fatigue life of 30Cr1Mo1V (BM-1), weld-seam (SAW) and 30Cr2Ni4MoV (BM-2) at 230 °C were obtained, respectively. The effects of microstructural characteristics on low cycle fatigue performance at 230 °C were discussed based on the morphology of dislocation cells in fatigued samples.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: High Temperature Alloys and Creep · Microstructure and Mechanical Properties of Steels · Fatigue and fracture mechanics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (17)
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