Microstructural evolution and mechanical properties of TIG welded superalloy GH625

The tungsten inert gas welding (TIG) technique was employed to weld the nickel-based wrought superalloy GH625, and the microstructures, element distribution, grain boundary character and mechanical properties of the welded joint were investigated systematically. The results indicated that the welded...

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Veröffentlicht in:	Transactions of Nonferrous Metals Society of China 2016-01, Vol.26 (1), p.100-106
Hauptverfasser:	GU, Yu-li, TAO, Chun-hu, WEI, Zhen-wei, LIU, Chang-kui
Format:	Artikel
Sprache:	eng
Schlagworte:	Base metal Grain boundaries Heat affected zone Mechanical properties microhardness Microstructure nickel-based wrought superalloy Phases Superalloys tensile property TIG welding Welded joints
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