Journal
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE
Volume 48, Issue 6, Pages 3270-3280Publisher
SPRINGER
DOI: 10.1007/s11663-017-1100-z
Keywords
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Funding
- Department of Science and Technology, Govt. of India [SR/FST/ETII-049/2011]
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In this work, a cast magnesium alloy AZ91D was friction stir processed. Detailed microstructural studies and Gleeble hot ductility tests were conducted on the as-cast and the FSPed samples to comparatively assess their heat-affected zone liquation cracking behavior. The results show that the use of FSP as a pretreatment to fusion welding can strikingly improve the heat-affected zone liquation cracking resistance of alloy AZ91D by reducing the amount and size of the low-melting eutectic beta (Mg17Al12) as well as by refining the matrix grain size.
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