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1. Consider two materials-Aluminum and Steel. For each of these two materials, consider the surface energy...
step by step solution please 1. Consider two materials- Aluminum and Steel. For each of these...
step by step solution please
1. Consider two materials- Aluminum and Steel. For each of these two materials, consider the surface energy term as follows: Y's=1 J/m2 and ys 2 J/m2. (a) If Aluminum and Steel have no defects of any kind, calculate their fracture strengths. (b) If each of the two materials, contain circular defects of widths 1um and 1mm, calculate their fracture strengths. Discuss the trends that you observe in the calculations for the fracture strengths. (If need...
Please show work for problems 1-4 1. Calculate the activation energy for vacancy formation in aluminum,...
Please show work for problems 1-4
1. Calculate the activation energy for vacancy formation in aluminum, given that the equilibrium number of vacancies at 500°C (773 K) is 7.57 x10m3. The atomic weight and density (at 500°c) for aluminum are 26.98 g/mol and 2.62 g/cm, respectively 2. What point defects are possible for Al,0, as an impurity in Mgo? How many Al ions must be added to form each of these defects? 3. A sheet of steel 4.5 mm thick...
Consider two companies: United States steel (X) and Facebook (FB). Look at the profiles (financial statements...
Consider two companies: United States steel (X) and Facebook (FB). Look at the profiles (financial statements for 2016) of each on yahoo finance and discuss the followings (you need to calculate these values yourself and show details of your calculations): How many outstanding shares the company has? What is the market value of the company? What is the book value of the company? What is the beta for the company? How do you find the risk free rate? (consider the...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
Just 1c, cant figure out how to calculate specific heat without the heat energy 1. Consider...
Just 1c, cant figure out how to calculate specific heat without the
heat energy
1. Consider the following data for aluminum, Cu, and an unknown metal Z. metal Z 10. Metal Mass (8) Specific heat (J/8°C) Initial temperature (°C) Final temperature (Al/Cu) Final temperature (AI/2) 10.0 0.900 40.00 51.25 48.50 CU 30.0 0.385 60.00 51.25 55.00 48.50 a) When Al and Cu are placed in contact with each other, the final temperature of the metals is 51.2°C. How much heat...
4. Nickel has normal free energy (surface tension) of 2.69 /m2 s a normal melting point of 1455 "C, enthalpy of fusion of +17.47 kJ/m, and surface a. Calculate the critical radius of n...
4. Nickel has normal free energy (surface tension) of 2.69 /m2 s a normal melting point of 1455 "C, enthalpy of fusion of +17.47 kJ/m, and surface a. Calculate the critical radius of nickel (in nm) at 1000 C. (2p) 2(2(28k) (17.47 : 117 XOA b. Assunning ΔGTisnegative, whatdoes negativeAhmeanfortheformation ofstablenucles? Explain. (Ip) 5. Utilizing the lead-tin phase diagram: For a 60 wr% Sn-40 wt% Pb alloy at 150 °C: a. What phase(s) is (are present? (Ip) 2 piases Present...
can you write a conclusion for the report? Thermal Conductivity Lab Introduction The objective of this...
can you write a conclusion for the report? Thermal Conductivity Lab Introduction The objective of this lab is to explore the thermal conductivity of various materials using Fourier’s Law and a steady state system. Certain materials are more effective heat conductors than others. The effectiveness of a given material at heat conduction is influenced by many factors, including density, molecular structure, and chemical composition. Fourier’s Law takes these factors into account to calculate Q, or the joules per second rate...
summatize the following info and break them into differeng key points. write them in yojr own...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
step by step solution please
1. Consider two materials- Aluminum and Steel. For each of these two materials, consider the surface energy term as follows: Y's=1 J/m2 and ys 2 J/m2. (a) If Aluminum and Steel have no defects of any kind, calculate their fracture strengths. (b) If each of the two materials, contain circular defects of widths 1um and 1mm, calculate their fracture strengths. Discuss the trends that you observe in the calculations for the fracture strengths. (If need...
Please show work for problems 1-4
1. Calculate the activation energy for vacancy formation in aluminum, given that the equilibrium number of vacancies at 500°C (773 K) is 7.57 x10m3. The atomic weight and density (at 500°c) for aluminum are 26.98 g/mol and 2.62 g/cm, respectively 2. What point defects are possible for Al,0, as an impurity in Mgo? How many Al ions must be added to form each of these defects? 3. A sheet of steel 4.5 mm thick...
Question 1 A turning operation is carried out on aluminum. Based on the specific energy values in Table 20.2, determine material removal rate and cutting power in the operation under the following sets of cutting conditions: (a) Cutting speed 5.6 m/s, feed 0.25 mm/rev, and depth of cut 2.0 mm; and (b) cutting speed- 1.3 m/s, feed 0.75 mm/rev, and depth 4.0 mm. Question 2 Consider a turning operation performed on steel whose hardness 225 HB at a cutting speed...
Just 1c, cant figure out how to calculate specific heat without the
heat energy
1. Consider the following data for aluminum, Cu, and an unknown metal Z. metal Z 10. Metal Mass (8) Specific heat (J/8°C) Initial temperature (°C) Final temperature (Al/Cu) Final temperature (AI/2) 10.0 0.900 40.00 51.25 48.50 CU 30.0 0.385 60.00 51.25 55.00 48.50 a) When Al and Cu are placed in contact with each other, the final temperature of the metals is 51.2°C. How much heat...
4. Nickel has normal free energy (surface tension) of 2.69 /m2 s a normal melting point of 1455 "C, enthalpy of fusion of +17.47 kJ/m, and surface a. Calculate the critical radius of nickel (in nm) at 1000 C. (2p) 2(2(28k) (17.47 : 117 XOA b. Assunning ΔGTisnegative, whatdoes negativeAhmeanfortheformation ofstablenucles? Explain. (Ip) 5. Utilizing the lead-tin phase diagram: For a 60 wr% Sn-40 wt% Pb alloy at 150 °C: a. What phase(s) is (are present? (Ip) 2 piases Present...
summatize the following info and break them into differeng key points. write them in yojr own words
apartus
6.1 Introduction—The design of a successful hot box appa- ratus is influenced by many factors. Before beginning the design of an apparatus meeting this standard, the designer shall review the discussion on the limitations and accuracy, Section 13, discussions of the energy flows in a hot box, Annex A2, the metering box wall loss flow, Annex A3, and flanking loss, Annex...
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