- Arts & Culture 6249
- Business & Economics 672
- Computers 320
- Dictionaries & Encyclopedias 75
- Education & Science 76327
- Abstracts 73
- Astrology 3
- Biology 8
- Chemistry 4267
- Coursework 15612
- Culture 7
- Diplomas 316
- Drawings 1596
- Ecology 5
- Economy 77
- English 80
- Ethics, Aesthetics 3
- For Education Students 17172
- Foreign Languages 11
- Geography 3
- Geology 1
- History 86
- Maps & Atlases 5
- Mathematics 12624
- Musical Literature 2
- Pedagogics 21
- Philosophy 22
- Physics 15122
- Political Science 5
- Practical Work 52
- Psychology 64
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sociology 9
- Summaries, Cribs 84
- Test Answers 161
- Tests 8323
- Textbooks for Colleges and Universities 32
- Theses 7
- To Help Graduate Students 13
- To Help the Entrant 35
- Vetting 386
- Works 13
- Информатика 8
- Engineering 800
- Fiction 707
- House, Family & Entertainment 84
- Law 131
- Website Promotion 70
Garbuzova KR1 Option 27
Refunds: 0
Uploaded: 15.05.2017
Content: mat_v27.rar 198,26 kB
200 $ | the discount is | 15% |
show all discounts | ||
1 $ | the discount is | 1% |
Seller will give you a gift certificate in the amount of
Product description
Option 27
1. Describe the phenomenon of polymorphism in the application to zirconium. Draw the elementary
Crystalline cells, specify their parameters and coordination number.
2. What is the essence of the work hardening and how does it have practical use?
3. Draw a diagram of the iron-iron carbide state, indicate the structural
Components in all areas of the diagram, describe the transformations and construct a curve
Cooling (using the phase rule) for an alloy containing 1.1% C. What is the structure of this
Alloy at room temperature and how such an alloy is called?
4. What is the difference between the carburizing process in a solid carburizer from the gas
Carburization? How can we fix the coarse-grained structure of overheating of cemented
Products?
5. The gears of steel 45 are hardened: the first - from the temperature of 740 ° C, and the second - from 820 ° C.
Using the iron-cementite state diagram, apply the selected heating temperatures and
Explain which of these gears has a higher hardness and better performance
Properties and why.
Feedback
0Period | |||
1 month | 3 months | 12 months | |
0 | 0 | 0 | |
0 | 0 | 0 |