微小粒径アルミナ多結晶体の高温変形に及ぼすマグネシアとジルコニアの添加効果

For alumina polycrystals doped with MgO and ZrO2 (1000 ~ 10000 ppm), compression and four-point bending tests were carried out. In the early stages of deformation of alumina doped with MgO, diffusional creep controlled by the grain boundary diffusion was dominant deformation mechanism at higher stre...

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