نتایج جستجو برای: softening kinetics
تعداد نتایج: 102549 فیلتر نتایج به سال:
Compression creep tests were performed on the ternary 91.84Sn-3.33Ag-4.83Bi (wt.%, abbreviated Sn-Ag-Bi) Pb-free alloy. The test temperatures were: −25 °C, 25 °C, 75 °C, 125 °C, and 160 °C (± 0.5 °C). Four loads were used at the two lowest temperatures and five at the higher temperatures. The specimens were tested in the as-fabricated condition or after having been subjected to one of two air a...
Study of the Mechanical Behaviour of a Zr-Based Metallic Glass Rod Using Micro- and Nano-Indentation
The mechanical properties of a Zr55Cu30Al10Ni5 metallic glass rod are investigated by Vickers microhardness and depth-sensing nanoindentation. The alloy exhibits a relatively large hardness which decreases when increasing the maximum applied load. Serrated flow is also observed during nanoindentation. Both effects are related to deformationinduced mechanical softening.
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It is not rare to observe an inverse relationship between hot strength determined from rolling load of the finishing stands of the hot strip mill and strain. This situation was already described in the literature and is explained by the use of inverse rolling load models that assumes sticking friction in the determination of hot strength. The aim of this work was to show that this “work softeni...
This research work aims to study the effect of 2wt%Mo on bainitic transformation kinetics and bainite morphology in 0.6wt%C-1.2wt%Si-1.0wt%Mn-0.2wt%Cr steel. Specimens are austenitized at 950°C rapidly cooled salt bath isothermally treated between 200°C–300°C for different time intervals. Another set specimens oil after an austenitization treatment then tempered temperature range 200°C–550°C. I...
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