- Arts & Culture 6213
- Business & Economics 674
- Computers 316
- Dictionaries & Encyclopedias 74
- Education & Science 76877
- Abstracts 73
- Astrology 4
- Biology 8
- Chemistry 4046
- Coursework 15549
- Culture 8
- Diplomas 316
- Drawings 1595
- Ecology 5
- Economy 76
- English 80
- Ethics, Aesthetics 3
- For Education Students 17573
- Foreign Languages 11
- Geography 3
- Geology 1
- History 88
- Maps & Atlases 5
- Mathematics 12624
- Musical Literature 2
- Pedagogics 19
- Philosophy 22
- Physics 15120
- Political Science 5
- Practical Work 59
- Psychology 63
- Religion 4
- Russian and culture of speech 8
- School Textbooks 7
- Sociology 9
- Summaries, Cribs 87
- Test Answers 160
- Tests 8747
- Textbooks for Colleges and Universities 32
- Theses 7
- To Help Graduate Students 14
- To Help the Entrant 38
- Vetting 385
- Works 13
- Информатика 8
- Engineering 893
- Fiction 706
- House, Family & Entertainment 84
- Law 129
- Website Promotion 68
Garbuzova KR2 Option 33
Refunds: 0
Uploaded: 15.05.2017
Content: КР2 Вариант 33.doc.rar 132,97 kB
| 200 $ | the discount is | 15% |
| show all discounts | ||
| 1 $ | the discount is | 1% |
Михаил_Перович
seller information
Seller will give you a gift certificate in the amount of
Product description
Option 33
1. Select carbon steel for making drills. Assign a thermal mode
Processing, describe the essence of the transformations that occur, the structure and properties of the instrument.
2. Copies should have minimal deformation and high wear resistance.
Surface layer with a hardness of 750 ... 1000 HV. For their manufacture, steel 38ХВФЮА is chosen.
Specify the composition and determine the steel group for its intended use. Assign and justify the thermal regime
And chemical-thermal treatment, explaining the effect of doping on transformations,
Occurring at all stages of processing this steel. Describe the structure and properties of steel after
Processing.
3. For the production of a permanent magnet with a section of 50x50 mm, the alloy EX9K15 is chosen.
Decode the composition and specify the alloy group for the intended purpose. Assign a thermal mode
And describe the structure and properties after treatment. Explain why in this case
You can not use U12 carbon steel.
4. As a material for casting liners of bearings of sliding the alloy
B16. Specify the composition and determine the alloy group for the intended purpose. Describe the microstructure of the alloy
And the basic requirements for alloys of this group.
5. Thermoplastic plastics, their features and scope. Give examples
The most important thermoplastics.
Feedback
0| Period | |||
| 1 month | 3 months | 12 months | |
| 0 | 0 | 0 | |
| 0 | 0 | 0 | |
