@article{oai:jaxa.repo.nii.ac.jp:00034329,
 author = {福井, 伸二 and 工藤, 英明 and 清野, 次郎 and FUKUI, Shinji and KUDO, Hideaki and SEINO, Jiro},
 issue = {9},
 journal = {東京大學理工學研究所報告},
 month = {Mar},
 note = {The blanks of non-ferrous metals such as aluminum and its alloys, copper,yellow brass, zinc and lead, were formed into cylindrical shells by statical backward extrusion under a material testing machine and by dynamical backward extrusion under a mechanical crank press, mainly at room temperature. Thereby, the effects of various working conditions, that is, the dimension and shape of extruding tool and blank, the working temperature and speed, applied lubricant and the degree of surface finish of tool, on the extruding force or pressure were examined. From the results, an empirical formula for the estimation of the maximum extruding pressure was developed. Moreover, the effects of working conditions on the hardness, failures and surface state of extruded shell were observed., 資料番号: SA1511732000},
 pages = {91--119},
 title = {Study on Impact Extrusion Method for Non-Ferrous Metals},
 volume = {11},
 year = {1957}
}