Course description
This course provides new scientific insights of nanoscale manufacturing in the context of molecular phenomena’s and will shed light on what happens at the atomic scale when surfaces collide during various scientific problems spanning from nano-machining, nanoindentation, nanotribology, AFM and even imaging contacts.
The course will also equip delegates with the knowledge on how to make use of the atomic simulations to study such unique problems spanning from materials science to manufacturing.
Upcoming start dates
Suitability - Who should attend?
- Executives, engineers and researchers from manufacturing, service and government organizations especially for those involved in R&D.
- Students at all levels (BEng/MEng/PhD) or Faculty from reputed academic and technical institutions.
Outcome / Qualification etc.
What you will learn
- To learn the latest advancement in ultra-precision manufacturing methods meant for achieving high precision accuracies, tighter tolerances and reduced energy bills.
- To understand the effectiveness of various manufacturing methods and the challenges of applicability of these across different classes of materials.
- To understand how and why materials behave in a certain way.
- Gain an understanding of the atomic mechanisms at the heart of the frontiers of manufacturing.
- To equip yourself with the skills to design and structure newer class of materials used in various sectors including defence, aerospace, biomedical and energy.
- To acquire hands-on experience of a simulation toolbox designed to study a range of fundamental scientific problems which are not suited to the scale of FEA.
- Develop problem solving skills for nano-level applications for your ‘real’ design and manufacturing problems which requires fundamental investigations.
Training Course Content
Core content
- Lab tour, introduction and overview of the course (Survey of market, trends and growing demands in various sectors).
- History, evolution and trends in ultra-precision manufacturing, Classification of ultra-precision manufacturing processes, size effects and scaling issues.
- Taniguchi’s early predictions, Moore’s law and its relevance, Comparison of cutting vs grinding vs polishing.
- Fundamentals of material science and fracture criterions, stress-strain behaviour, bond rupturing, incipient plasticity, plane stress vs plane strain.
- Nanoindentation and nanoscratching and material characterisation.
- Introduction to Diamond machining, applications and limitations, brittle-ductile transition, Introduction to ductile-regime machining.
- An introduction to textured diamond tools, tool nomenclature and specifications.
- Crystal anisotropy and influence of microstructure, high pressure phase transformation and dislocation nucleation.
- Important variables in diamond machining (uncut chip thickness, feed, tool geometry).
- Tool wear and its characterisation.
- Concept of minimum quality lubrication (MQL) and nanoparticle/multi-atomised lubrication.
- Non-conventional manufacturing process – Waterjet, RAPT, LASER, EDM, Ion-beam.
- Introduction and principle of molecular dynamics simulation and comparisons with FEA.
- Boundary conditions, Periodic and non-periodic boundaries, Ensemble, Microcanonical ensemble (NVE), Canonical ensemble (NVT), Isothermal-isobaric ensemble (NPT).
- Post-processing tools : Introduction to the measure of coordination number, radial distribution function, angular distribution functions, stress distribution, various stress measures.
- Introduction to the potential energy functions / force fields.
- Practical sessions on high performance computing service.
Course delivery details
Course structure
The course comprises thirty five hours of lectures and practical sessions. Various course notes, references, PDF’s and HTML links will all be available to download. Online support is provided and delegates will be able to contact the lecturers through an online portal.
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Cranfield University
Cranfield is a specialist postgraduate university that is a global leader for education and transformational research in technology and management. We have many world-class, large-scale facilities, including our own global research airport, which offers a unique environment for transformational education...