Structure and Properties of Ti-7.5Mo-xFe Alloys

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Title:	Structure and Properties of Ti-7.5Mo-xFe Alloys
Authors:	林殿傑(Dan-Jae, Lin);陳瑾惠(Jiin-Huey, Chern Lin)*;朱建平(Chien-Ping, Ju)
Contributors:	健康照護學院口腔衛生學系
Keywords:	Titanium molybdenum iron alloy;Structure;Mechanical properties
Date:	2002-04
Issue Date:	2009-08-19 17:00:25 (UTC+8)
Abstract:	The present work is a study of a series of Ti-7.5Mo-xFe alloys, with the focus on the effect of iron addition on the structure and mechanical properties of the alloys. Experimental results indicate that alpha" phase-dominated binary Ti-7.5Mo alloy exhibited a fine, acicular martensitic structure. When 1 wt% or more iron was added, the entire alloy became equi-axed beta phase structure with a grain size decreasing with increasing iron content. A thermal omega phase was formed in the alloys containing iron of roughly between 0.5 and 3 wt%. The largest quantity of omega phase and highest microhardness were found in Ti-7.5Mo-1Fe alloy. The binary Ti 7.5Mo alloy had a lower microhardness, bending strength and modulus than all iron-containing alloys. The largest bending strength was found in Ti-7.5Mo-2Fe alloy. The present alloys with iron contents of about 2-5 wt% seem to have a great potential for use as an implant material.
Relation:	BIOMATERIALS23(8):1723~1730
Appears in Collections:	[Department of Dental Hygiene] Journal articles

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