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http://dx.doi.org/10.5228/KSPP.2007.16.2.144

Process Design of Superplastic Forming/Diffusion Bonding by Using Design of Experiment  

Song, J.S. (충남대학교 대학원, BK21 메카트로닉스사업단)
Kang, Y.K. (국방과학연구소)
Hong, S.S. (국방과학연구소)
Kwon, Y.N. (한국기계연구원)
Lee, J.H. (한국기계연구원)
Kim, Y.H. (충남대학교, BK21 메카트로닉스사업단)
Publication Information
Transactions of Materials Processing / v.16, no.2, 2007 , pp. 144-149 More about this Journal
Abstract
The superplastic forming/diffusion bonding(SPF/DB) is widely used in the automotive and aerospace industry because it has great advantage to produce complex, light and strong parts. But the superplastic forming process requires much forming time and generates excessive thinning in the thickness distribution of formed part. It is necessary to minimize trial and error for SPF/DB Process. Finite element analysis using $L_{18}$ orthogonal may table of Taguchi method for 3-Sheet D/B process is carried out. Through the study, effect of process parameters, such as DH region size, thickness and friction coefficient, is evaluated and the optimum condition is derived.
Keywords
Superplastic Forming/Diffusion Bonding(SPF/DB); Finite Element Analysis; Design Of Experiment(DOE); Taguchi Method; Orthogonal Array Table;
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