2017/18 Taught Postgraduate Module Catalogue
MECH5410M Surface Engineering
15 creditsClass Size: 100
Module manager: Dr Tomasz Liskiewicz
Email: T.Liskiewicz@leeds.ac.uk
Taught: Semester 2 (Jan to Jun) View Timetable
Year running 2017/18
Pre-requisite qualifications
Bachelor Degree in Physical or Engineering SciencesThis module is mutually exclusive with
| MECH3410 | Surface Engineering |
This module is not approved as an Elective
Objectives
On completion of this module students should be able to:(i) understand the need for surface engineering and demonstrate a comprehensive knowledge of surface engineering technologies;
(ii) understand and appreciate the potential of surface engineering technologies for the control of wear, corrosion and fatigue of engineering components.Have a basic grasp of materials behaviour.
Syllabus
Unit 1: Introduction to surface engineering
Definition of surface engineering, diffusion techniques, deposition methods, high and low energy beam methods, surface engineering charts, elastic contact mechanics.
Unit 2: Mass transfer media
Solids, liquids, gases and plasmas, boronising - an example of thermochemical diffusion processing via four transfer media, gaseous boronising, plasma boronising, anatomy of a glow discharge plasma, industrial power supply features, pack and paste boronising, electrolytic and electroless boronising
Unit 3: The boronising response of materials
kinetics of diffusion processes, boronising response of steels, boronising of cemented carbides, applications, corrosion and wear response.
Unit 4: Physical vapour deposition technologies
ion plating, sputter deposition, reactive deposition, magnetron sputtering, general aspects of PVD (production sequence, advantages and disadvantages, microstructure), partial pressure control, summary of applications, duplex treatments.
Unit 5: Engineering Interfaces and Wear
The 4 classes of interfacial contact and case examples. Applicability of lubricants. Archard's wear equation. Wear mechanisms of untreated and surface engineered materials.
Unit 6: Corrosion-wear of surface engineered materials
The corrosion-wear synergy. Basic facts of corrosion - cathodic and anodic coatings, coating defects. The passive film and it's breakdown by mechanical action. Type I, Type II and Type III corrosion wear.
Unit 7: Introduction to Ceramics
Traditional and modern ceramics, basic ceramic families: oxides, nitrides, borides, carbides, silicides. Applications and character. Crystalline types and size factor rule. Barding character.
Unit 8: Thermal Stress
Hasselman's thermal shock equation, thermal shock damage resistance parameter. Practical example of thermal stress.
Unit 9: Fracture and defects in ceramics
Griffith's equation, minimisation of flaw size, processing methods, tensile and compressive behaviour.
Unit 10:
Methods and approaches to toughening. Cemented carbides, sialons. Hot hardness and oxidation resistance. Applications.
Teaching methods
| Delivery type | Number | Length hours | Student hours |
| Example Class | 3 | 1.00 | 3.00 |
| Lecture | 23 | 1.00 | 23.00 |
| Seminar | 8 | 1.00 | 8.00 |
| Private study hours | 116.00 | ||
| Total Contact hours | 34.00 | ||
| Total hours (100hr per 10 credits) | 150.00 | ||
Private study
- Revision for final exam: 56 hours- Background reading of recommended literature cited in module notes: 20 hours
- Assignments: 20 hours
- Seminar preparation: 5 hours
Opportunities for Formative Feedback
Major assignment in weeks 9 - 11.Seminar presentations in weeks 10 and 11.
Methods of assessment
Coursework
| Assessment type | Notes | % of formal assessment |
| Report | Maximum 5 pages | 25.00 |
| Presentation | Peer reviewed. Students will be provided with a rubric. | 5.00 |
| Total percentage (Assessment Coursework) | 30.00 | |
Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated
Exams
| Exam type | Exam duration | % of formal assessment |
| Standard exam (closed essays, MCQs etc) | 2 hr 00 mins | 70.00 |
| Total percentage (Assessment Exams) | 70.00 | |
Normally resits will be assessed by the same methodology as the first attempt, unless otherwise stated
Reading list
The reading list is available from the Library websiteLast updated: 27/10/2017
Browse Other Catalogues
- Undergraduate module catalogue
- Taught Postgraduate module catalogue
- Undergraduate programme catalogue
- Taught Postgraduate programme catalogue
Errors, omissions, failed links etc should be notified to the Catalogue Team.PROD