Impact Dynamics
COURSE OVERVIEW
This 5-day course is aimed at those individuals who wish to gain an advanced understanding of impact properties of materials and structures. In particular the first two days will examine the structure of materials and how the microstructure plays a role in enhancing its impact properties. Further, this course will detail the experimental and numerical techniques available to probe the dynamic behaviour of materials including the theory behind Split Hopkinson Pressure Bar operation and plate-impact experiments. When the course is held at the Australian Defence Force Academy, a demonstration using an instrumented drop tower and compression Split Hopkinson Pressure Bar will also be provided.
Duration: 5 days
Delivery mode: Classroom
Locations
Advertised: Canberra
In-house: All states and neighbouring countries, contact the Professional Education Course Unit for more information. Recommended for groups of 10 or more.
What you will receive:
- Compresehensive set of course notes
- UNSW Canberra certificate of attendance/completion*
- Morning tea, lunch and afternoon tea
- Masters Credit: UNSW Canberra allows students who have successfully completed a minimum of 12 days of approved professional education courses to use those courses as credit in eligible postgraduate programs. For more information on postgraduate credit please visit our postgraduate credit and micro-credential page.
Affiliated course: Gun Design | Advanced (4 days)
*pending final results
WHO SHOULD ATTEND
This course is ideally aimed at individuals who hold an engineering or science degree.
COURSE OUTLINE
Materials science
Introduction to materials | The structure of materials | The mechanics of materials | Microscopy techniques | Mechanics of plasticity | Mechanics of failure
Testing techniques and equipment
The tensile test | The hardness test | The Charpy test | The instrumented drop-tower | The Split Hopkinson Pressure Bar (focussed on both compression and tension) | The plate-impact test | The dynamic extrusion test |Diagnostics (digital image correlation and high speed photography, laser-interferometry)
Stress waves and shock waves
Elastic waves | Plastic waves | Interface reflections| Rankine-Hugoniot relationships | The Hugoniot | The Isentrope | Strength measurements under shock-wave loading | Microstructural evolution during shock loading
Impact mechanics
Material failure | Penetration mechanics | 19 th C. theory |Milne de Marre |The Forrestal formulation |The Recht formulation| Hydrodynamic theory | Tate and Alekseevski |Worked examples
Armour mechanics
An introduction to armour | The survivability onion concept |Metallic materials for armour | Ceramic armour | Woven fabric and composite armour |Explosive Reactive Armour | Defensive Aid Suites
Blast and fragmentation
An introduction to explosives | Blast and fragmentation theory | Underwater blast | Improving resilience to blast-wave loading
Computational approaches
An introduction to hydrocodes | The equation of state | Constitutive models including Johnson-Cook, Johnson-Holmquist, Zerilli-Armstrong and MTS
Ammunition technology
Armour-piercing projectiles | Shaped charge mechanics and penetration | Explosively –formed projectiles | Fragmentation weapons | High-Explosive-Squash-Head (HESH)
PROFESSOR PAUL HAZELL
Paul has over 20 years of experience studying the impact behaviour of materials. He has recently moved to Canberra, Australia from the UK to take up the post of Professor of Impact Dynamics at UNSW Canberra. Before taking this position he was Head of the Centre for Ordnance Science and Technology at Cranfield University’s Shrivenham campus (at the UK Defence Academy). He has published extensively, appeared in several documentaries and presented his research work at numerous symposia. He has published two books on protection technologies with the most recent called ‘ARMOUR: Materials, Theory, and Design’ (CRC Press).
DR J. PABL O ESCOBEDO
Dr J. Pablo Escobedo has over 7 years of experience in the area of dynamic behaviour of materials with emphasis on microstructural evolution and its effects on mechanical response. After obtaining his PhD he worked in premier institutions in the USA focused on the impact behaviour of materials (Institute for Shock Physics and Los Alamos National Laboratory) before joining UNSW in August 2013. He has published extensively in the area and received a TMS-Young Leader award in 2014.
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