9. The role of intergranular diffusion in superplastic creep processes
Almost all material behaviors depend on their diffusional properties: phase changes, corrosion, mechanical strength at high temperatures
The latter is particularly active in explaining the enormous creep ductility of fine-grained materials (i.e. with a high volume proportion of grain boundaries) identified as superplastic behavior. This ductility can lead to elongations of the order of 1,000 to 2,000% (i.e. twenty times the initial length) in metals, for grain sizes of...
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The role of intergranular diffusion in superplastic creep processes
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