(a) What is heat treatment? (b) Explain in details the process to produce martensite structure. (C)...
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(a) What is heat treatment? (b) Explain in details the process to produce martensite structure. (C) (d) Differentiate between annealing and normalizing. Sketch the interdiffusion and self diffusion process. (e) The diffusivity, D for the diffusion of carbon in y iron (FCC) at 927°C is 1.32 x 10-11 m²/s. If temperature-independent is 2.0 x 10-5 m²/s, and the gas constant is 8.314 J/mol.K, calculate the activation energy for diffusion. (2 marks) (6 marks) (4 marks) (4 marks) preexponential (4 marks) (a) What is heat treatment? (b) Explain in details the process to produce martensite structure. (C) (d) Differentiate between annealing and normalizing. Sketch the interdiffusion and self diffusion process. (e) The diffusivity, D for the diffusion of carbon in y iron (FCC) at 927°C is 1.32 x 10-11 m²/s. If temperature-independent is 2.0 x 10-5 m²/s, and the gas constant is 8.314 J/mol.K, calculate the activation energy for diffusion. (2 marks) (6 marks) (4 marks) (4 marks) preexponential (4 marks)
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Here are the answers to the questions provided a What is heat treatment Heat treatment is a controlled process used to alter the physical and sometimes chemical properties of a material most often met... View the full answer
Related Book For
Materials Science and Engineering An Introduction
ISBN: 978-1118324578
9th edition
Authors: William D. Callister Jr., David G. Rethwisch
Posted Date:
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