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Problem 5.09 A sheet of steel 3.6 mm thick has nitrogen atmospheres on both sides at...
5.09 Problem 5.09 A sheet of steel 1.5 mm thick has nitrogen atmospheres on both sides...
5.09
Problem 5.09 A sheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 12 OC and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 5.5 × 10-11 m2/s and the diffusion flux s found to be 4.)× 10 7 kg/m2-s Also, t is known that the concentration of nit ogen in the steel at the high pressure surface s 60 kg m3 Ho far into...
A sheet of steel 3.8 mm thick has nitrogen atmospheres on both sides at 1200°C and...
A sheet of steel 3.8 mm thick has nitrogen atmospheres on both sides at 1200°C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 5.1 × 10-11 m2/s, and the diffusion flux is found to be 4.8 × 10-7 kg/m2-s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 4.7 kg/m3. How far into the sheet from this high-pressure side will...
A sheet of steel 2.2 mm thick has nitrogen atmospheres on both sides at 1200°C and...
A sheet of steel 2.2 mm thick has nitrogen atmospheres on both sides at 1200°C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 6.8 × 10-11 m2/s, and the diffusion flux is found to be 2.5 × 10-7 kg/m2-s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 5.1 kg/m3. How far into the sheet from this high-pressure side will...
A sheet of steel 1.7 mm thick has nitrogen atmospheres on both sides at 1200°C and...
A sheet of steel 1.7 mm thick has nitrogen atmospheres on both sides at 1200°C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 6.8 x 10-11 m/s, and the diffusion flux is found to be 1.4 x 10 kg/m2-s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 5.5 kg/m. How far into the sheet from this high-pressure side will...
9. (4 Marks) A sheet of steel 3 mm thick has nitrogen atmospheres on both sides...
9. (4 Marks) A sheet of steel 3 mm thick has nitrogen atmospheres on both sides at 900°C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 1.85 x 10-10 m2/s, and the diffusion flux is found to be 1.0 x 10-7 kg/m2.s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 2 kg/m3. How far into the sheet from this...
Current Attempt in Progress Support A sheet of steel 3.7 mm thick has nitrogen atmospheres on...
Current Attempt in Progress Support A sheet of steel 3.7 mm thick has nitrogen atmospheres on both sides at 1200 C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 6.5x 1011 ms. and the diffusion flux is found to be 34x 10 kg/m2-s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 5.8 kg/m. How far into the sheet from...
Nitrogen is sometimes diffused into the surface of a steel component in a process called case...
Nitrogen is sometimes diffused into the surface of a steel component in a process called case hardening. Consider a sheet of steel (1.416x10A0) mm thick which has nitrogen atmospheres on both sides at a temperature of 1200°C. The system is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is (6.735x10A-11) m2/s. The diffusion flux is found to be (2.52x10A-7) kg/m2-s. It is also known that the concentration of nitrogen at the...
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...
A differential nitrogen pressure exists across a 2-mm-thick steel furnace wall. After some time, steady-state diffusion...
A differential nitrogen pressure exists across a 2-mm-thick steel furnace wall. After some time, steady-state diffusion of the nitrogen is established across the wall. Given that the nitrogen concentration on the high-pressure surface of the wall is 5 kg/m3kg/m3 and on the low-pressure surface is 0.3 kg/m3 , calculate the flow of nitrogen through the wall (in kg/m2.h) if the diffusion coefficient for nitrogen in this steel is 1.0 ×10−10m2/s at the furnace operating temperature. Express your answer to three...
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...
5.09
Problem 5.09 A sheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 12 OC and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 5.5 × 10-11 m2/s and the diffusion flux s found to be 4.)× 10 7 kg/m2-s Also, t is known that the concentration of nit ogen in the steel at the high pressure surface s 60 kg m3 Ho far into...
A sheet of steel 1.7 mm thick has nitrogen atmospheres on both sides at 1200°C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 6.8 x 10-11 m/s, and the diffusion flux is found to be 1.4 x 10 kg/m2-s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 5.5 kg/m. How far into the sheet from this high-pressure side will...
9. (4 Marks) A sheet of steel 3 mm thick has nitrogen atmospheres on both sides at 900°C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 1.85 x 10-10 m2/s, and the diffusion flux is found to be 1.0 x 10-7 kg/m2.s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 2 kg/m3. How far into the sheet from this...
Current Attempt in Progress Support A sheet of steel 3.7 mm thick has nitrogen atmospheres on both sides at 1200 C and is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is 6.5x 1011 ms. and the diffusion flux is found to be 34x 10 kg/m2-s. Also, it is known that the concentration of nitrogen in the steel at the high-pressure surface is 5.8 kg/m. How far into the sheet from...
Nitrogen is sometimes diffused into the surface of a steel component in a process called case hardening. Consider a sheet of steel (1.416x10A0) mm thick which has nitrogen atmospheres on both sides at a temperature of 1200°C. The system is permitted to achieve a steady-state diffusion condition. The diffusion coefficient for nitrogen in steel at this temperature is (6.735x10A-11) m2/s. The diffusion flux is found to be (2.52x10A-7) kg/m2-s. It is also known that the concentration of nitrogen at the...
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...
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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