Significantly enhanced drilling ability of the orthopedic drill made of Zr-based bulk metallic glass composite

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Title:	Significantly enhanced drilling ability of the orthopedic drill made of Zr-based bulk metallic glass composite
Authors:	蔡佩樺;Li, T.H.;Tsai, P.H.;Hsu, K.T.;Liu, Y.C.;Jang, J.S.C.;Huang, J.C.
Contributors:	工學院材料科學與工程研究所
Keywords:	Biomedical;Corrosion mechanical properties;Functional alloys (magnetic, electrical, biomedical), metallic glasses (or amorphous metals)
Date:	2016-11-01
Issue Date:	2026-04-23 11:44:24 (UTC+8)
Publisher:	Elsevier Ltd.;Elsevier Ltd
Abstract:	摘要： Zr-based bulk metallic glass composite (BMGC) presents superior unique properties, including high hardness, high fracture strength, high toughness, large elastic limit, excellent corrosion resistance, and was believed as a promising material for medical-tool applications. In this study, the 4 mm diameter rods of ZrCuAlAgSi-based (Zr-based) BMGC containing ex-situ Ta particles were successfully fabricated by two-step arc melting and suction casting method. These Zr-based BMGC rods was ascertained their amorphous nature by X-ray diffraction and differential scanning calorimetry analyses, and then machined into the orthopedic drill bits with 2 mm in diameter. The drilling tests of the commercial and Zr-based BMGC orthopedic drill bits were conducted by a specially designed indentation-drilling rig. The data of thrust force as a function of drilling distance between drill and porcine bone was recorded and analyzed to evaluate the drilling ability of the Zr-based BMGC made and commercial orthopedic drills, respectively. As a result, the Zr-based BMGC made drill presents 73% reduced thrust force than the commercial one, this indicates that the Zr-based BMGC made drill has less friction force and performs much better drilling ability. •The thrust force of the Zr-based BMGC drill can be significantly decreased by 73% in comparison to the commercial one.•Zr-based BMGC drill is suggested attributing to their smoother surface and sharper edge of drill head. 出版者： Elsevier Ltd 出版日期： 2016-11-01 出處： Intermetallics, 2016-11, Vol.78, p.17-20 版權： 2016 Elsevier Ltd 識別號： ISSN: 0966-9795 識別號： DOI: 10.1016/j.intermet.2016.08.001
Appears in Collections:	[Institute of Materials Science and Engineering] journal & Dissertation

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