TY - JOUR
T1 - Effect of active heating and cooling on microstructure and mechanical properties of friction stir–welded dissimilar aluminium alloy and titanium butt joints
AU - Patel, Prins
AU - Rana, Harikrishnasinh
AU - Badheka, Vishvesh
AU - Patel, Vivek
AU - Li, Wenya
N1 - Publisher Copyright:
© 2019, International Institute of Welding.
PY - 2020/2/1
Y1 - 2020/2/1
N2 - A butt joint configuration of AA6061–pure Ti was welded using friction stir welding (FSW) with an assisted cooling and heating conditions, aiming to attain a flawless joint. Cooling-assisted friction stir welding (CFSW) was carried out with a different cooling medium such as CO2, compressed air and water at controlled flow rate. However, heating-assisted friction stir welding (HFSW) was performed with heating source of GTAW torch just before FSW tool at different current density. Prepared specimens were subjected to optical microscopy (OM), scanning electron microscopy (SEM) and electrodischarge spectroscopy (EDS) for microstructural characterizations. The tensile strength and microhardness were significantly affected by various cooling and heating conditions, attributing to the distinct proportion of the intermetallic compounds (IMCs) evident in the microstructure. The samples prepared with cooling conditions exhibited superior joint properties as compared with the normal and heating conditions. [Figure not available: see fulltext.].
AB - A butt joint configuration of AA6061–pure Ti was welded using friction stir welding (FSW) with an assisted cooling and heating conditions, aiming to attain a flawless joint. Cooling-assisted friction stir welding (CFSW) was carried out with a different cooling medium such as CO2, compressed air and water at controlled flow rate. However, heating-assisted friction stir welding (HFSW) was performed with heating source of GTAW torch just before FSW tool at different current density. Prepared specimens were subjected to optical microscopy (OM), scanning electron microscopy (SEM) and electrodischarge spectroscopy (EDS) for microstructural characterizations. The tensile strength and microhardness were significantly affected by various cooling and heating conditions, attributing to the distinct proportion of the intermetallic compounds (IMCs) evident in the microstructure. The samples prepared with cooling conditions exhibited superior joint properties as compared with the normal and heating conditions. [Figure not available: see fulltext.].
KW - Cooling
KW - Dissimilar metal joining
KW - Heating
KW - Hybrid friction stir welding
KW - Interfacial microstructure
KW - Mechanical properties
UR - http://www.scopus.com/inward/record.url?scp=85077164027&partnerID=8YFLogxK
U2 - 10.1007/s40194-019-00838-6
DO - 10.1007/s40194-019-00838-6
M3 - 文章
AN - SCOPUS:85077164027
SN - 0043-2288
VL - 64
SP - 365
EP - 378
JO - Welding in the World
JF - Welding in the World
IS - 2
ER -