Materials at High Temperature

A total of 14 two hour lectures will be taught (number of two hour lectures between brackets):

Part A: High Temperature Mechanical Behaviour

Creep in crystalline solids (metals and ceramics) (3)

- creep testing

- creep mechanisms

- deformation mechanism maps

- extrapolation procedures

- creep resistant materials

- creep fracture

High temperature fatigue (metal alloys) (1)

- testing

- creep-fatigue interactions

- effect of environment

-Thermomechanical fatigue (metal alloys) (2)

- definitions

- role of mechanical constraint

- elastic / plastic shakedown

- thermal ratcheting

- testing

- TMF in super alloys: effects of phasing, crystal orientation, time, environment

- lifetime prediction models

Part B: High Temperature oxidation and processing

Introduction of high temperature oxidation (1)

- cases, applications

- methods of investigation

- accelerated test

- lifetime prediction

High temperature processing of thin film materials (1½)

- atomic layer deposition (ALD)

- chemical vapor deposition (CVD)

- physical vapor deposition (PVD)

High-temperature surface engineering using (1½)

- monolayer deposition (MLD)

- high temperature doping

- rapid thermal annealing

Part C: High Temperature Materials (4)

- Ceramics and composites

- Thermal barrier coatings

- Self-healing in Coatings at High Temperatures

- Additive manufacturing and design of high temperature materials

In addition to the lectures, exercises will be made and assignments will be given, for example:

- prediction of creep lifetime

- calculation of creep strain rate

- assessing thermomechanical fatigue lifetime

- assessment of thermal shock behaviour