ISSN:
1551-2916
Source:
Blackwell Publishing Journal Backfiles 1879-2005
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
,
Physics
Notes:
Thermal expansion induced spontaneous microcracking in large-grained polycrystalline alumina was analyzed using experimental techniques as well as numerical simulations. A microstructure-based finite-element model (object oriented finite-element analysis) was used to simulate the accumulation of microcrack damage upon cooling, taking the measured real crystallographic orientations of the grains into account. Crack initiation and propagation were simulated using a Griffith-type fracture criterion. The computed evolution of Young's modulus as a function of temperature and grain size was compared with the corresponding experimental results.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1111/j.1551-2916.2005.00312.x
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