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1篇 您的检索式：作者名="Seungjun An"

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		题名	作者	年代	出处	被引量
	1	Decomposition behavior of yttria-stabilized zirconia and its effect on directed energy deposited Ti-based composite material显示文摘We report on the microstructure and the strengthening mechanisms of additively manufactured parts fabricated by directed energy deposition of Ti-6Al-4V(Ti64)powders blended with yttria-stabilized zirconia(YSZ)nanoparticles.These specimens showed refined microstructures as compared to bare as-deposited Ti64,where theαand columnar priorβgrain sizes decreased with increasing YSZ content.The YSZ nanoparticles decomposed during the deposition process and led to the formation of yttrium oxide and some excess oxygen in the Ti64 matrix.The decrease in the sizes of the priorβgrains could be attributed to the increasing amount of dissolved oxygen and yttrium,which promoted constitutional supercooling.Furthermore,the reduction in the size of theαgrains could be ascribed to a shift of the onset of theβ→α+βtransformation to a higher temperature and shorter time with increasing concentration of dissolved oxygen.Finally,the contributions of the underlying strengthening mechanisms for the as-deposited specimens were quantitatively determined.	Gwanghyo Choi Won Seok Choi Yoon Sun Lee Dahye Kim Ji Hyun Sung Seungjun An Chang-Seok Oh Amine Hattal Madjid Djemai Brigitte Bacroix Guy Dirras Pyuck-Pa Choi	2022	Journal of Materials Science & Technology2022，，17：	0

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