Alternative Strain Aging Effect for Fatigue of Ductile Bulk Glassy Alloys

Effect of Dynamic Strain Aging on Isothermal (473K) Low Cycle Fatigue of Ferritic Ductile Cast Iron

The ferritic ductile iron (FCD400) is widely used as industrial material. As regards to its high temperature application, fatigue at elevated temperature, and advanced mechanical properties has been investigated and clarified. In low cycle fatigue (LCF), the S-N curve is presented by the relation of plastic strain to the number of cycles as fatigue life, which can be predicted by the Manson-Cof...

Ductile bulk metallic glass.

We report on experimental evidence of pronounced global plasticity measured in monolithic Pt57.5Cu14.7Ni5.3P22.5 bulk metallic glass under both bending and unconfined compression loading conditions. A plastic strain of 20% is measured, never before seen in metallic glasses. Also, permanent deformation and a strain exceeding 3% before failure is observed during bending of 4 mm thick samples. To ...

The effect of nitrogen on the strain aging and brittle-ductile transition of vanadium

The purposes of this investigation were to determine the effect of nitrogen on the strain aging and brittle ductile transition of iodide vanadium and to determine the basic mechanisms responsible for the occurrence of these results. Disciplines Ceramic Materials | Metallurgy | Other Materials Science and Engineering This report is available at Iowa State University Digital Repository: http://li...

Entropies in Alloy Design for High-Entropy and Bulk Glassy Alloys

High-entropy (H-E) alloys, bulk metallic glasses (BMGs) and high-entropy BMGs (HE-BMGs) were statistically analyzed with the help of a database of ternary amorphous alloys. Thermodynamic quantities corresponding to heat of mixing and atomic size differences were calculated as a function of composition of the multicomponent alloys. Actual calculations were performed for configurational entropy (...

Effect of Alloying Elements on the Microstructure and Mechanical Properties of Austempered Ductile Iron Alloys