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1篇 您的检索式：作者名="Homam Naffakh Moosavy"

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		题名	作者	年代	出处	被引量
	1	New approach for assessing the weldability of precipitation-strengthened nickel-base superalloys显示文摘A new procedure was proposed for evaluating the weldability of nickel-base superalloys.The theory is on the basis of two microstructural patterns.In pattern I,the weld microstructure exhibits severe alloying segregation,many low-melting eutectic structures,and low weldability.The weld requires a weaker etchant and a shorter time for etching.In pattern II,the weld microstructure displays less alloying segregation,low quantity of eutectic structures,and high weldability.The weld needs a stronger etchant and a longer time for etching.Five superalloys containing different amounts of Nb and Ti were designed to verify the patterns.After welding operations,the welds were etched by four etchants with different corrosivities.The weldability was determined by TG-DSC measurements.The metallography and weldability results confirmed the theoretic patterns.Finally,the etchant corrosivity and etching time were proposed as new criteria to evaluate the weldability of nickel-base superalloys.	Homam Naffakh Moosavy Mohammad-Reza Aboutalebi Seyed Hossein Seyedein Meisam Khodabakhshi Carlo Mapelli	2013	International Journal of Minerals,Metallurgy and Materials2013，20，12：	1

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