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Titolo:
Deep drawing with internal air-pressing to increase the limit drawing ratio of aluminum sheet
Autore:
Moon, YH; Kang, YK; Park, JW; Gong, SR;
Indirizzi:
Pusan Natl Univ, Engn Res Ctr Net Shape & Die Mfg, Pusan 609735, South Korea Pusan Natl Univ Pusan South Korea 609735 Mfg, Pusan 609735, South Korea
Titolo Testata:
KSME INTERNATIONAL JOURNAL
fascicolo: 4, volume: 15, anno: 2001,
pagine: 459 - 464
SICI:
1226-4865(200104)15:4<459:DDWIAT>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
PREDICTION;
Keywords:
deep drawing; internal air-pressing; limit drawing ratio (LDR); Al-1050;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Moon, YH Pusan Natl Univ, Engn Res Ctr Net Shape & Die Mfg, Pusan 609735, South Korea Pusan Natl Univ Pusan South Korea 609735 an 609735, South Korea
Citazione:
Y.H. Moon et al., "Deep drawing with internal air-pressing to increase the limit drawing ratio of aluminum sheet", KSME INT J, 15(4), 2001, pp. 459-464

Abstract

The effects of internal air-pressing on deep drawability are investigated in this study to increase the deep drawability of aluminum sheet. The conventional deep drawing process is limited to a certain limit drawing ratio(LDR) beyond which failure will occur. The intention of this work is to examine the possibilities of relaxing the above limitation through the deep drawing with internal air-pressing, aiming towards a process with an increased drawing ratio. The idea which may lead to this goal is the use of special punch that can exert high pressure on the internal surface of deforming sheetduring the deep drawing process. Over the ranges of conditions investigated for Al-1050, the local strain concentration at punch nose radius area wasdecreased by internal air-pressing of punch, and the deep drawing with internal air-pressing was proved to be very effective process for obtaining higher LDR.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 09:56:29