Effect of grain refinement on residual strain and hot tearing in B206 aluminum alloy

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DOIResolve DOI: http://doi.org/10.4028/www.scientific.net/AMR.409.35
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TypeArticle
Journal titleAdvanced Materials Research
Volume409
Pages3540; # of pages: 6
SubjectB206 aluminum alloy; hot tearing; grain refinement; neutron diffraction; residual strain
AbstractAluminum-copper alloy B206 has an excellent potential for use in automobiles as suspension knuckles and control arms. The main shortfall of this alloy however, is its high susceptibility to hot tearing. Grain refinement has been shown to reduce hot tearing severity in Al alloys. In the present study, Ti-B grain refiner was added at two levels (0.02 and 0.05 wt% Ti) to B206 to investigate the effect on hot tearing. Residual lattice strain was measured for each condition using neutron diffraction. Equiaxed fine grains significantly reduced hot tears in the alloy, and this resulted in a lower magnitude of residual strain along the casting.
Publication date
LanguageEnglish
AffiliationNRC Canadian Neutron Beam Centre; National Research Council Canada
Peer reviewedYes
NPARC number20140149
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Record identifier70e18e7d-3c51-4f1a-b858-bd759e8afe24
Record created2012-06-14
Record modified2016-05-09
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