Compute the volume percent of graphite VGr in a 3.8 wt% C cast iron, assuming that all the carbon exists as the graphite phase. Assume densities of 7.9 and 2.3 g/cm3 for ferrite and graphite, respectively. Answer in Vol%
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Compute the volume percent of graphite VGr in a 3.8 wt% C cast iron, assuming that all the carbon exists as the graphite phase. Assume densities of 7.9 and 2.3 g/cm3 for ferrite and graphite, respectively.
Answer in Vol%
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- - & Sketch New · C $ 7 ♡ www 1500 kg/m³ O 3000 kg/m³ 5000 kg/m³ 7000 kg/m³ 9000 kg/m³ 44 < HD E Material X has an atomic radius R = 0.125 nm, an atomic weight of A = 51 g/mol, and a body centered cubic (BCC) crystal structure. Calculate the mass density of this material. Hint: Do your calculations in SI units, as this will help avoid numerical errors from unit conversions. Choose the answer closest to your calculated value.c. The table below shows characteristics of two dopants added in Czochralski growth processes of crystalline silicon. In both, a mass M of the dopant was added to 1 kg of silicon. Growth 01 Silicon mass Dopant mass Dopant atomic weight (molar mass) Distribution coefficient (ka) 1 kg M 74.9 g/mol 0.3 1.0 x 10¹5 cm- Growth 02 1 kg M 31 g/mol 0.36 Doping concentration 22 As shown in the table above, we got doping of 1.0 x 10¹5 cm3 for the first process (Growth 01), what is the doping concentration that we will get in the second process (Growth 02) ? A) 0.5 x 10¹5 cm-3 B) 2.0 x 10¹5 cm-³ Answer C) 2.9 x 10¹5 cm-3D) 3.4 x 10¹4 cm-3Answer with true (T) or falls (F), corrects the wrong phrases, and gives short reasons for correct statements: 1- The atomic bonding is weaker than metallic bonding. من اضعف x2- The starting and finishing solidification temperatures for pure metal are the same. 3- The result of normalizing process is coarse pearlit 4- The austenite can be existed at room temperature. 5- Increasing temperature will increase the magnetization of steel.
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- A common feature in high-temperature ceramic superconductors is a Cu-O sheet that serves as a superconducting plane. Calculate the coulombic force of attraction between a Cu and an O within one of these sheets. Express your answer to three significant figures. Va AE t vec F- Submit Request AnswerSolve all put true or false, then correct the error:- 1. Mn can be extracted by pyro-metallurgical process. 2. Bauxite is the main ore of Mg. 3. The symbol of Magnatite is Fe₂O4. 4. Pig iron have high carbon content. 5. Examples of frothers is pine oil. 6. Pulverizing means increase the particle size. 7. Comminution Methods divided into two parts. 8. High Grade Ore have high impureties. 9. Au found as compined state. 10.Recycling metals used to reduces air pollution.swot analysis for saudi ceramics.
- 1. What are the principal natural processes that affect the petrophysical properties of sedimentary rocks? 2. As shown in Table 1.1, the total bulk chemical analysis of rock samples is clearly different from the surface analysis. What effect does this have on the rock properties?an empty evaporating dish weighs 25.1295 g. When unknown mixture is added, the dish and mixture weigh 29.9745 g. After removing the Fe with a magnet, the dish and remaining mixture weigh 28.2374 g. After extraction of the NaCl and drying the remaining solid, the dish and final mixture weigh 26. 8928 g. Calculate the mass and mass percent of Fe, NaCl, and SiO2 in the sample. Show all your work.B Consider a two-component alloy with components A and B, with densities of A: 8.2 g/cm³ and B: 12.4 g/cm³. The volume fraction of A is 0.30. What is the weight fraction of A? Select one: a. 0.221 Ob. 0.688 OC 0.342 d. 0.302 e. 0.846 Of 0.112