1. Figure 3.1 shows the microstructure image of a steel with the chemical composition shown in Table 2. Identify the ph...
please explain with the figure
2 A plain plain carbon steel of unknown composition is cooled in the furnace from w oning temperature. At room temperature, the percentage of primary (proeutectoid) ferrite() monin this steel is found to be 27%. Use Figure 1 and answer the following questions. What is the concentration of carbon present in this steel? b) Which other phase or phases will you find in the structure of this steel? c) Calculate the amount of the phase...
please answer question 2,3,4
A critical feature of steel is that a considerable amount of carbon can be dissolved in the austenite, phase, (up to 2.14 w/o at 1147"C), whereas carbon is essentially insoluble in ferrite, Cooling from point d to e, just above the eutectoid but still in the an increased fraction of the +y region, will produce phase and a microstructure similar to that shown: the particles precinitates out in the form af an intermetallic.compound called iron-carbide...
The component parameters for the power system shown in Figure 2 are given in Table 1. The pre-fault voltage is 120° pu and Zx-j0.1 pu. Table 1 Ratings X2-Xi (pu)Xo (pu) 0.05 0.10 0.20 0.20 Components G1, G2 200 MVA, 20 kV 0.10 0.10 0.10 0.10 T1, T2, T3200 MVA, 20/200 kV L1 200 MVA, 200 kV し2 200 MVA, 20 kV (a) Draw the three sequence networks and determine the per-unit Thevenin impedance of each sequence network seen from...