Microstructural analysis and mechanical properties of biodegradable Mg-1.3Ca-5.5Zr alloy

被引：0
|
作者：
Istrate, B. [1 ]
Munteanu, C. [1 ]
Matei, M. N. [2 ]
Oprisan, B. [3 ]
Moisei, M. [2 ]
Earar, K. [2 ]
机构：
[1] Gheorghe Asachi Tech Univ Iasi, Fac Mech Engn, 43 D Mangeron St, Iasi 700050, Romania
[2] Dunarea de Jos Univ Galati, Fac Med, Dent Med, Al I Cuza 35 St, Galati, Romania
[3] Gr T Popa Med Univ Iasi, Fac Gen Med, Univ St 16, Iasi, Romania
来源：
MODTECH INTERNATIONAL CONFERENCE - MODERN TECHNOLOGIES IN INDUSTRIAL ENGINEERING IV, PTS 1-7 | 2016年 / 145卷
关键词：
MAGNESIUM; CORROSION;
D O I：
10.1088/1757-899X/145/7/072003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnesium based alloys begin to be known as biodegradable materials used in medical field. Zirconium and Calcium as alloying elements, improve mechanical strength, creep resistance and refine microstructure. Also, Ca is the most spread mineral in the human body, which contributes to the osteosynthesis phenomenon. The aim of this paper is developing two original Mg-Zr-Ca biodegradable alloys, characterizing from the point of view of the microstructure, X-ray diffraction, Young modulus and scratch test. Results show evenly distributed clusters of zirconium and Mg2Ca arranged at Mg grains boundary. Also, values of Young modulus are between 25-27 GPa similar to bones Young modulus, thus avoiding the formation of "stress shield effect".
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页数：6
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