Numerical and experimental study of preforming stage in tube hydroforming

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Proceedings titleKey Engineering Materials
Conference17th Conference of the European Scientific Association on Material Forming, ESAFORM 2014, 7 May 2014 through 9 May 2014, Espoo
Pages11321138; # of pages: 7
SubjectComputer simulation; Experiments; Finite element method; Laser heating; Tubes (components); Unattended sensors; Aerospace alloys; Deformation measurements; Generic shapes; Numerical and experimental study; Preforming process; Process development; Selective laser sintering; Tube hydroforming; Preforming
AbstractThe preforming stage in hydroforming of an aerospace generic shape was investigated using a combination of experimentation and numerical modeling. The preform die was manufactured using a rapid prototyping method, namely the selective laser sintering (SLS) process. The preforming experiments were conducted on 0.9 mm and 1.2 mm thick stainless steel 321 (SS321) tubes. To evaluate the preforming process, an automated deformation measurement system, ARGUS®, was used to measure the 3-dimensional (3D) strains on the deformed tubes. Data collected from the experiments were used to validate the simulation of the preforming stage. The simulation and experimental results were found to be in good agreement, indicating that the preform model can be used as a starting point for simulating the tube hydroforming (THF) process. In addition, the SLS approach was found to be very promising, as it reduced greatly the lead time and cost of process development for THF. © 2014 Trans Tech Publications, Switzerland.
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AffiliationNational Research Council Canada (NRC-CNRC); Aerospace
Peer reviewedYes
NPARC number21272141
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Record identifiercb4c6fc2-8f23-4b17-b995-5a995c45c676
Record created2014-07-23
Record modified2016-05-09
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