Effect of elevated temperature on high-cycle and very-high-cycle fatigue properties of Ni-based superalloy manufactured by selective laser melting
Source abstract
Abstract
Abstract Axial loading tests with stress ratios of −1 and 0.1 at 25 °C and 650 °C were performed to investigate the effect of elevated temperature on high-cycle and very-high-cycle fatigue properties of a Ni-based superalloy manufactured by selective laser melting. Interior fatigue failure with longer life is greatly promoted at elevated temperature, which is induced from the crystallographic facets associated with grain structure. By means of electron-backscattered diffraction and stress intensity factor evaluation, the interior failure mechanisms are elucidated. Based on the proposed microstructure-based crack nucleation life model, a good agreement between the predicted and experimental results is obtained.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Additive Manufacturing Materials and Processes · High Entropy Alloys Studies · Welding Techniques and Residual Stresses
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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