研究了超塑性变形薄壳件的现象学方面，并考虑到结构参数的变化。
Phenomenology of super plastic forming shell is studied and the changes of structure parameters are also considered.
针对先进结构陶瓷介绍了国内外超塑性的研究状况，比较系统地介绍了氧化物陶瓷、氮化物陶瓷、碳化物陶瓷的超塑性。
Researches on the superplasticity of advanced structural ceramics were systematically reviewed, emphasising on three kinds of ceramics:oxide ceramics, nitride ceramics and carbide ceramics.
随着塑性弯曲而发生的挠度和刚度大的变化常会使结构内部发生显著地内力重分布，特别是超静定梁中。
The large deflections and stiffness changes usually associated with plastic bending can significantly change the internal load distribution, particularly in statically indeterminate beams.
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