WebJan 18, 2024 · The influence of finish rolling temperatures (FRTs∼950 °C and 900 °C) and tempering temperatures (600°C–700 °C) on microstructure and mechanical properties was investigated. Fully recrystallized austenite was formed at 950 °C FRT, but partially at 900 °C FRT. The quenched microstructure consisted of lath bainite, granular bainite ... WebThe finish rolling temperature (FRT) was varied in the range 820-950°C leading to a final thickness of 6 mm (Steel A; without Nb) and 8 mm (Steel B; with 0.04Nb
Effect of finish rolling temperature on microstructures and …
WebJun 5, 2024 · June 5, 2024. Rolling in metalworking is a metal forming process that helps to reduce the thickness of metal and make the thickness uniform. The metal stock is passed through one or more pairs rolls to reduce the material. Rolling is classified according to the temperature of the metal rolled, it is a hot rolling if the temperature of the metal ... WebAug 15, 2011 · During rolling, finish rolling temperature (FRT) were varied between 800 and 1000 °C to study the effect of finish rolling temperature on the resultant microstructure. The rolled plates were subsequently quenched and tempered by two different regimes; some plates were air cooled, reheated to austenitisation temperature, … gujarat news in english language
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Webfinish rolling temperature was 950˚C (Fig. 1(a)). The ferrite grain sizes of specimen 1 and 3 are 36.12μm and 38.47 μm, respectively. And the ferrite grains are coarse, despite it is difficult to measure the ferrite grain sizes of specimens at the finish rolling temperature of 900˚C and 800˚C for the presence of pearlite and widmanstätten. WebDec 20, 2016 · When the finish rolling temperature is 810 °C, M/A constituent disperses at the ferrite boundaries and its size becomes smaller (Figure 8c). When the finish rolling … WebNov 20, 2024 · Pavement temperature is very important to the roller operators to let them know when they need to do the initial or breakdown rolling. Monitoring temperatures … bowen medical centre