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Use of Strain Energy Density W and Qo as Quality Indices to Study the Effect of Hipping on Cast Aluminium Alloy 354 under Different Aging Conditions
Babu G.D, Sibal P,
Published in Trans Tech Publications, Ltd.
Volume: 941-944
Pages: 66 - 71
Cast aluminium alloy 354 has become an important industrial material owing to its excellent mechanical properties and good castability. It finds widespread use in the manufacture of compressor wheel castings. Castings have been studied since long and different approaches have been attempted to improve their quality. One such approach is Hot Iso-static Pressing (Hipping). This paper studies the effect of Hipping on the strength, ductility, strain energy density W and quality rating Qo of the alloy 354. The study shows that Hipped samples have better % elongation to fracture, higher W and Qo values as compared to non-Hipped samples. This behavior is consistent across different aging conditions of the alloy. Hipping also results in a reduction in scatter of ultimate tensile strength of 354, thus making it valuable to industries that demand high material consistency.
About the journal
JournalAdvanced Materials Research
PublisherTrans Tech Publications, Ltd.
Open Access0