Question

In: Mechanical Engineering

Define the following questions 1. Carburisation is a heat treatment used for case hardening steels. Carbon...

Define the following questions

1. Carburisation is a heat treatment used for case hardening steels. Carbon is trapped on steel surface by:

2. Concentration gradient refers to

3. Interstitial diffusion is generally faster than diffusion by vacancy mode. This is because:

4 .Diffusion is the result of:

5 .As the temperature rises, the rate diffusion:

thank you

Solutions

Expert Solution


Related Solutions

Name and briefly explain different heat treatment operations carried on steels.
Name and briefly explain different heat treatment operations carried on steels.
Research and explain more about carbon and heat treatment effects on steel.
Research and explain more about carbon and heat treatment effects on steel.
What method of heat treatment is used for pistons in 4-stroke engines. What chemicals are used...
What method of heat treatment is used for pistons in 4-stroke engines. What chemicals are used in the process and why.
1. This case is used for questions 1 and 2. Bogart is a listed company that...
1. This case is used for questions 1 and 2. Bogart is a listed company that reports using IFRS and has a reporting date of 30 September 2020. Bogart purchased 18% of Lupin’s 100 million $1 ordinary shares for $43 million cash on 1 October 2018, gaining significant influence. Lupin had retained earnings of $85 million and no other components of equity, on the date of purchase. The investment in Lupin was accounted for correctly in Bogart’s individual financial statements...
The most common processes used in the treatment of domestic and industrial wastewater are carbon removal,...
The most common processes used in the treatment of domestic and industrial wastewater are carbon removal, nitrification, denitrification and methanogenesis processes. 1- Describe in detail how wastewater is treated in these processes. Classify the microorganisms involved in these processes by metabolic groups, carbon source, energy source, electron donor source and electron acceptors. 2- Provide information on the characteristics of the wastewater originating from these industries by giving at least three examples to the industrial wastewater sources where each process is...
Quenching is often used in the manufacturing and/or heat treatment of magnesium alloys, aluminium alloys and...
Quenching is often used in the manufacturing and/or heat treatment of magnesium alloys, aluminium alloys and steels. Explain why quenching is used for each of these three metals, and explain how this benefits the final mechanical properties.
Consider the case of three treatment status, where we have no treatment, treatment 1 and treatment...
Consider the case of three treatment status, where we have no treatment, treatment 1 and treatment 2. Let d1 be a dummy variable taking 1 for treatment 1 and 0 otherwise, and d2 be a dummy variable taking 1 for treatment 2 and 0 otherwise. We consider the following regression y = α + βd1 + γd2 + ε, where α, β and γ are parameters and ε is the error with E[ε] = 0. Using β and γ in...
suggest an explanation following- The Cr and Ni content of stainless steels used to make knife...
suggest an explanation following- The Cr and Ni content of stainless steels used to make knife blades is different from that used in the manufacture of spoons.
Analyze the following case and answer the questions: A family-owned carbon steel company from Germany has...
Analyze the following case and answer the questions: A family-owned carbon steel company from Germany has extended its business to Hong Kong. The owners bought a small traditional Chinese firm and decided to copy the successful structure they had developed at home (in Germany). This structure was headed by three general managers who equally shared the responsibilities for the business activities of the firm. The consequences were as follows. 1 Now the Chinese employees were assigned tasks by people they...
1. Complete questions: Define each of the following terms:
1. Complete questions: Define each of the following terms:a. Operating plan; financial planb. Spontaneous liabilities; profit margin; payout ratioc. Additional funds needed (AFN); AFN equation; capital intensity ratio; self-supporting growth rated. Forecasted financial statement approach using percentage of sales e. Excess capacity; lumpy assets; economies of scalef. Full capacity sales; target fixed assets to sales ratio; required level of fixed assets2. Complete problem: Premium for Financial Risk XYZ, Inc. has an unlevered beta of 1.0. They are financed with 50%...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT