THE BRIEF/INSTRUCTIONS
- The course work aims to address all the module learning outcomes by focussing on the quantitative descriptions on Structures and Mechanical Properties of Engineering Materials and by incorporating a comprehensive understanding of the various failure modes and design criteria for materials selection.
- The module learning outcomes are provided in the resit coursework brief (Page Number – 5).
- University requests all student to use a uniform coursework cover sheet for submission. Please use the assessment cover sheet provide in the Blackboard (File name: MP4702_Assessment e-coversheet) to submit the coursework as a single document.
- Please look into the resit coursework brief for the questions (Page Number – 7 to 12).
PREPARATION FOR THE ASSESSMENT
- The entire coursework is based on the taught lectures and tutorial sessions for the module. Read through the lecture materials, exercise and tutorial problems and supplementary materials provided in the Module Material area in the Blackboard space for the module.
- Reading List : http://readinglists.central-lancashire.ac.uk/index
RELEASE DATES AND HAND IN DEADLINE
Please note that this is the final time you can submit – not the time to submit!
Your feedback/feed forward and mark for this assessment will be provided on 04/05/2021.
Page 1 of 12
| Question with Answers to the Course Work will be uploaded in the Blackboard after the submission deadline. Detailed discussion of the solutions to the Course Work will be discussed in the class during the revision lecture session for the module. |
| SUBMISSION DETAILS The coursework should be your own work and should be properly type-written in your own words. Your assignment must be submitted electronically via blackboard by the submission time or before. Drawings can be done by hand or electronically but at the same time students are not allowed to copy paste the images from different e-resources directly. They can either be scanned / copied into your Word or pdf document Please see the instructions to candidates for more information (Page Number – 4). |
| HELP AND SUPPORT Any questions arising from this assessment brief will be discussed in the class, online forum during the lectures/tutorial session. Please contact Dr. Arun Natarajan (Module Leader/Module Tutor) if you have any further queries. E-mail: apnatarjan@uclan.ac.uk For support with using library resources, please contact Mr Bob Frost, E-mail: RSFrost@uclan.ac.uk or SubjectLibrarians@uclan.ac.uk. You will find links to lots of useful resources in the My Library tab on Blackboard. If you have not yet made the university aware of any disability, specific learning difficulty, long-term health or mental health condition, please complete a Disclosure Form. The Inclusive Support team will then contact to discuss reasonable adjustments and support relating to any disability. For more information, visit the Inclusive Support site. To access mental health and wellbeing support, please complete our online referral form. Alternatively, you can email wellbeing@uclan.ac.uk, call 01772 893020 or visit our UCLan Wellbeing Service pages for more information. If you have any other query or require further support you can contact The <i>, The Student Information and Support Centre. Speak with us for advice on accessing all the University services as well as the Library services. Whatever your query, our expert staff will be able to help and support you. For more information , how to contact us and our opening hours visit Student Information and Support Centre. If you have any valid mitigating circumstances that mean you cannot meet an assessment submission deadline and you wish to request an extension, you will need to apply online prior to the deadline. https://www.uclan.ac.uk/students/support/extension-request-form.php |
| Disclaimer: The information provided in this assessment brief is correct at time of publication. In the unlikely event that any changes are deemed necessary, they will be communicated clearly via e-mail and a new version of this assessment brief will be circulated. | Version: 1 |
UNIVERSITY OF CENTRAL LANCASHIRE SCHOOL OF ENGINEERING
RESIT COURSE WORK
MODULE CODE: MP4702
MODULE TITLE: ADVANCED MATERIALS AND MATERIALS
SELECTION
Time Allowed: STUDENTS SHOULD NOT SPEND MORE THAN
THIRTY HOURS ON THIS COURSE WORK
INSTRUCTIONS TO CANDIDATES: VALUE
This assignment constitutes 30% of the grade for this module.
SUBMISSION DATE AND TIME:
INSTRUCTIONS
- The coursework should be your own work and should be properly type-written in your own words. Marks will be reduced for the typo-errors and missing units. The assignment will be checked for plagiarism using TURN-IT-IN software. Any plagiarism or copying from others will be dealt through the university’s plagiarism procedures.
Similarity (plagiarism) level higher than 10% is highly suspicious.
- The assignment is divided into two sections, Section A and Section B. Section A and Section B constitutes equal weightage (50%) of the total marks with no choices. Answer all parts of the questions from each section. The whole report should be 1500 words plus any relevant material (figures, calculations, tables, etc.,). Any references to materials should be given in standard Harvard or Vancouver form.
- Your assignment must be submitted electronically via blackboard by the submission time or before. The report should be contained in a Word document or pdf document. No other means of submission will be accepted.
- Drawings can be done by hand or electronically but at the same time students are not allowed to copy paste the images from different e-resources directly. They can either be scanned / copied into your Word or pdf document.
- Any assignment submitted late, but within 5 working days of the deadline, will be given a maximum mark of 50%. Assignments submitted more than 5 working days after the deadline will not be marked, and a mark of 0% will be recorded.
- Students with special needs will be addressed on individual basis.
(Candidates that may require any special requirement will be dealt with on a one-on-one basis which must be discussed with the module tutor/lead before the due date).
Learning Outcome to be assessed:
| 1. | Able to communicate effectively on material selection with material scientists |
| 2. | Able to understand the implications of different modes of material failure |
| 3. | To understand the effects of composition and heat treatment on the properties of different types of material |
| 4. | To select materials to minimise the likelihood of component failure |
2020/2021 MODULE CODE: MP 4702
ADVANCED MATERIALS AND MATERIALS SELECTION RESIT COURSE WORK – SEMESTER 2
REG / ID NUMBER:
DATE:
By submitting electronically, I confirm that this piece of submitted work is all my own work (unless indicated otherwise within the assignment) and that all references and quotations from both primary and secondary sources have been fully identified and properly acknowledged in the body of the writing, with full references at the end. RESIT COURSEWORK BRIEF SECTION A (This section weighs 50 % of the total marks)
The entire world is moving towards the renewable energy and one type of renewable energy is use of solar technology. As a material scientist in the solar company it is important for you to know the basics of how solar power works and installation procedure. This piece of information is important to be known by all the material scientists to make a right decision of the material selection for the solar panel application. A typical residential or light commercial solar power system consists of the photovoltaic cells, inverter, mounting hardware and data acquisition system.Figure 1 shows the photographic image of the solar panel mounted on a single pole.
Figure 1: Solar panel mounted on a single pole
ASSIGNMENT BRIEF FOR SECTION A:
You have been asked to design the structure of a solar panel and a pole (mounting for the solar panel) for power transmission. The designed material needs to be light, strong, stiff and as cheap as possible. The cross section of the PANEL is specified as rectangular cross-section with b as breadth and h as height of the panel. The cross section of the POLE is specified as a COLUMN of circular cross-section, d. The designed panel and column have a length, L. Write down an equation for the material cost of the panel and column in terms of its dimensions, the price per kg of the material, Cm, and the material density, ρ.
Provide a detailed, professional report that contains the following items mentioned below:
1. Definition and translation of the problem.
Hint 1: You have to document the whole selection process.
Hint 2: The dimensions of the panel and column are not given. You can decide your own realistic dimensions and the constraints for both the panel and column.
Hint 3: You will need to decide extra constraints and find out the equations for a panel and a column.
Hint 4: You will need to decide your objective and to compare the results with real world materials.
Hint 5: You will need to provide a clear definition of the problem and write down the necessary equations used in the problem.
Hint 6: You will need to translate the problem based of the definition and equation provided in the previous steps.
- Derive the performance index or indexes.
- Use GRANTA EduPack to select some screening constraint and select the actual material graphically.
ASSESSMENT CRITERIA
| 1 | Definition of the problem | 8 marks (4* + 4**) |
| 2 | Translation of the problem | 8 marks (4* + 4**) |
| 3 | Derive the performance and material indices | 20 marks (10* + 10**) |
| 4 | Selection of the material graphically using GRANTA EduPack 2020 | 14 marks (7* + 7**) |
Note: * QUESTION A1 – Solar Panel;
** QUESTION A2 – Column
Reminder, as it is an open exercise, each student is expected to have a unique solution as definition of the problem will be unique.
(Total: 50 marks) SECTION B (This section weighs 50 % of the total marks)
Jet engines are combustion engines and it is a type of reaction engine discharging a fast-moving jet that generates thrust by jet propulsion. While this broad definition can include rocket, water jet, and hybrid propulsion, the term jet engine typically refers to an airbreathing jet engine such as a turbojet, turbofan, ramjet, or pulse jet. Airbreathing jet engines typically feature a rotating air compressor powered by a turbine, with the leftover power providing thrust through the propelling nozzle – this process is known as the Brayton thermodynamic cycle. Jet aircraft use such engines for long-distance travel. Early jet aircraft used turbojet engines that were relatively inefficient for subsonic flight. Most modern subsonic jet aircraft use more complex high-bypass turbofan engines. They give higher speed and greater fuel efficiency than piston and propeller aeroengines over long distances. A few air-breathing engines made for high speed applications (ramjets and scramjets) use the ram effect of the vehicle’s speed instead of a mechanical compressor. The thrust of a typical jet liner engine went from 22,000 N (de Havilland Ghost turbojet) in the 1950s to 510,000 N (General Electric GE90 turbofan) in the 1990s, and their reliability went from 40 in-flight shutdowns per 100,000 engine flight hours to less than 1 per 100,000 in the late 1990s. This, combined with greatly decreased fuel consumption, permitted routine transatlantic flight by twin-engine airliners by the turn of the century, where previously a similar journey would have required multiple fuel stops.
https://www.youtube.com/watch?v=LolwC_Bytz0https://www.youtube.com/watch?v=x8DK4rM6Y90
https://www.intechopen.com/books/gas-turbines-materials-modeling-andperformance/the-importance-of-hot-corrosion-and-its-effective-prevention-forenhanced-efficiency-of-gas-turbines QUESTION B1
- Draw the Time Temperature Transformation T-T-T diagram for nickel-based superalloy (Inconel 718) used in jet engines and show on the diagram the critical cooling curve, the transformation lines, the phases, the axis.
(6 marks)
- Explain the change of structure with martensitic transformation in steels used in jet engines.
(4 marks)
- With help of a phase diagram illustrate the various phase transformation occurring in the commercial titanium alloys (Ti – 6Al – 4V) used in the jet engines.
(6 marks)
- With help of a phase diagram discuss the following phase transformation reaction occurring in the commercial Titanium alloys (Ti – 6Al – 4V) used in the jet engines
- Peritectic reaction and Peritectic point
- Peritectoid reaction and Peritectoid point
(4 marks)
(Total: 20 marks) QUESTION B2
Using suitable industrial examples, explain creep and oxidation of nickel based super alloys used in jet engines at high temperatures. Discuss three strategies to reduce creep and three strategies to reduce oxidation in jet engines at high temperatures.
(10 marks) QUESTION B3
An aluminium alloy for an airframe component used in jet planes were tested in the laboratory under an applied stress which varied sinusoidally with time about a mean stress of zero. The alloy failed under a stress range Δσ of 300 MPa after 105 cycles. Under a stress range of 220 MPa, the alloy failed after 108 cycles. Assume that the fatigue behaviour of the alloy can be represented by
∆
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