A new hollow shellformation method, the reverse bending process, is presented.
介绍了一种新型管坯成型方法——反弯成型法。
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From the point of gasification of impurity, we have analyzed the formation mechanism of bubbles in the surface of films using model of a spherical shell which endures high inner pressure.
The influence of many factors including the thickness of shell and curvature of liner on the formation of EFP is studied, and the relationship of many structural parameters is obtained.