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高温塑性流動曲線を正確に推算するための加工硬化率式の開発
http://hdl.handle.net/10232/11576
http://hdl.handle.net/10232/11576d0be47fe-94c7-422c-ad39-5b70ff1f667f
名前 / ファイル | ライセンス | アクション |
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AN00040363_v30_p13-32.pdf (1.9 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||||||
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公開日 | 2011-07-04 | |||||||||
タイトル | ||||||||||
タイトル言語 | en | |||||||||
タイトル | Development of the work-hardening rate equations for exact prediction of the flow curves at elevated temperatures : application of OFHC. Copper | |||||||||
タイトル | ||||||||||
タイトル言語 | ja | |||||||||
タイトル | 高温塑性流動曲線を正確に推算するための加工硬化率式の開発 | |||||||||
著者 |
中西, 賢二
× 中西, 賢二
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言語 | ||||||||||
言語 | eng | |||||||||
キーワード | ||||||||||
主題言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | deformation property | |||||||||
キーワード | ||||||||||
主題言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | experimental and numerical analysis | |||||||||
キーワード | ||||||||||
主題言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | work-hardening rate | |||||||||
キーワード | ||||||||||
主題言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | dynamic recovery | |||||||||
キーワード | ||||||||||
主題言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | dynamic recrystallization | |||||||||
キーワード | ||||||||||
主題言語 | en | |||||||||
主題Scheme | Other | |||||||||
主題 | flow curve prediction program | |||||||||
資源タイプ | ||||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||
資源タイプ | departmental bulletin paper | |||||||||
要約(Abstract) | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | In almost all metal forming processes, such as rolling, extrusion, swaging, and forging etc., both strain-rate and temperature vary during deformation. Experimental results reveal that many metallic materials show a remarkable strain rate dependence of flow stress at warm and hot deformation temperature. The work-hardening rate equation previously proposed by the present author, et al. is available to predict the flow curves under the conditions of varying strain-rate and varying temperature during deformation. The equation consists of the basic work-hardening rate term and the relative dynamic recovery rate term. Dynamic restoration process in high temperature deformation involves, in some cases, work-softening due to dynamic recrystallization, in addition to dynamic recovery. Then, the work-softening term is newly formulated and added to the previous equation, and some supplemental equations required for constructing the computer program of flow curve prediction are also developed by the numerical analysis regarding the experimental flow curves of annealed OFHC copper. Some flow curves are calculated by using the computer program of flow curve prediction with taking into account the effects of both varying strain-rate and varying temperature in upsetting experiments, under either isothermal or adiabatic conditions. Excellent agreement is found when the calculated flow curves are compared with those obtained experimentally. | |||||||||
内容記述言語 | en | |||||||||
収録雑誌名 |
ja : 鹿児島大学工学部研究報告 en : The research reports of the Faculty of Engineering, Kagoshima University 巻 30, p. 13-32, 発行日 1988-11 |
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作成日 | ||||||||||
日付 | 1988-11 | |||||||||
日付タイプ | Issued | |||||||||
ISSN | ||||||||||
収録物識別子タイプ | PISSN | |||||||||
ISSN | 0451212X | |||||||||
NII書誌ID(雑誌) | ||||||||||
収録物識別子タイプ | NCID | |||||||||
NC ID | AN00040363 | |||||||||
出版タイプ | ||||||||||
出版タイプ | VoR | |||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
NDC | ||||||||||
主題Scheme | NDC | |||||||||
主題 | 423 | |||||||||
公開者・出版者 | ||||||||||
出版者言語 | ja | |||||||||
出版者 | 鹿児島大学 | |||||||||
公開者・出版者 | ||||||||||
出版者言語 | en | |||||||||
出版者 | Kagoshima University |