Hydrostatic extrusion of round and shaped tubes

Matsushita, Tomiharu; Yamaguchi, Yoshihiro; Noguchi, Masataka; Nishihara, Masao

doi:10.1016/0378-3804(78)90013-x

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…As already stated by Pugh [20) the results obtained by several authors are in good agreement when small differences in the properties of the aluminium used and the different extrusion conditions are considered. This holds true also of the results by the authors which, in particular for reductions ý > 4, are the same as those reported by Matsushita [17).…”

Section: Experimental and Resultssupporting

confidence: 84%

On the Hydrostatic Extrusion of Non-Ferrous Metals

et al. 1983

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The growing interest in the process of hydrostatic extrusion is reflected by numerous publications on experimental results, fundamental researches and theoretical studies (e. g., [1] to [20]). In recent years it was the increasing demand for new materials and semiproducts with special cross-section dimensions and properties that substantiated the necessity of defining the application of hydrostatic extrusion in the field of non-ferrous metallurgy. Thus, it is the aim of the researches carried out with the experimental hydrostatic extrusion press type QEH 12 recently installed by the Swedish company ASEA in the Forschungsinstitut für NE-Metalle Freiberg of the VEB Mansfeld Kombinat “Wilhelm Pieck” to solve problems of materials and deformation engineering and to develop new technologies of producing special semiproducts from non-ferrous metals.

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Section: Experimental and Resultssupporting

confidence: 84%

On the Hydrostatic Extrusion of Non-Ferrous Metals

et al. 1983

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Umformen mit hohen hydrostatischen Drücken, hydrostatisches Strang- und Fließpressen

Geiger¹

1993

Umformtechnik Handbuch Für Industrie Und Wissenschaft

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Application of Hydrostatic Extrusion to Fabrication of Zircaloy Tubing

Nagai

Kakuma

Matsushita

et al. 1982

Zirconium in the Nuclear Industry

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Preliminary experiments in the extrusion of Zircaloy tubing using both cold and hot hydrostatic extrusion processes were carried out. In the cold hydrostatic extrusion, a maximum extrusion ratio of five could be obtained, but it should be limited to a maximum of three to prevent the occurrence of galling. When the cold hydrostatic extrusion process was applied to the final pass of cold reducing, the properties of the obtained tubes were nearly identical to those of the current boiling water reactor cladding tubes in spite of the difference of the crystallographic texture of the tubes. Application of the newly developed hot hydrostatic extrusion process to the extrusion of tube shells resulted in an increase of the extrusion ratio to three times that of the conventional direct extrusion. The tubing processed from hydrostatically extruded tube shells at the higher extrusion ratios showed higher strength and lower ductility than those of lower extrusion ratios in the tension tests. In the case of the burst tests, however, the ductility was higher in the tubes processed from the tube shells of the higher extrusion ratios.

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Hydrostatic extrusion of round and shaped tubes

Cited by 3 publications

References 4 publications

On the Hydrostatic Extrusion of Non-Ferrous Metals

On the Hydrostatic Extrusion of Non-Ferrous Metals

Umformen mit hohen hydrostatischen Drücken, hydrostatisches Strang- und Fließpressen

Application of Hydrostatic Extrusion to Fabrication of Zircaloy Tubing

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