Pulsed Laser Cutting of Magnesium-Calcium for Biodegradable Stents

被引：21
|
作者：
Sealy, M. P. [1 ]
Guo, Y. B. [2 ]
Liu, J. F. [2 ]
Li, C. [2 ]
机构：
[1] Univ Nebraska, Dept Mech & Mat Engn, W342 Nebraska Hall, Lincoln, NE 68588 USA
[2] Univ Alabama, Dept Mech Engn, 359 HM Comer Hall, Tuscaloosa, AL 35401 USA
来源：
18TH CIRP CONFERENCE ON ELECTRO PHYSICAL AND CHEMICAL MACHINING (ISEM XVIII) | 2016年 / 42卷
关键词：
Laser cutting; surface integrity; magnesium; stent; biodegradable implant; ALLOY;
D O I：
10.1016/j.procir.2016.02.190
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
There is growing interests in the use of biodegradable magnesium implants for cardiovascular and pulmonary applications such as stents. Magnesium is a metal that has the ability to gradually dissolve and absorb into the human body after implantation. There is very little work discussing the relationship between process parameters and cut quality of magnesium stents by laser cutting. The objective of this research is to determine the effect of laser cutting conditions including peak laser power and cutting speed of a millisecond range pulsed laser on kerf geometry, surface topography, surface roughness, and microstructure. An assessment on the experimental work discussing laser cutting of magnesium alloys is also presented. (C) 2016 The Authors. Published by Elsevier B.V.
引用
收藏
页码：67 / 72
页数：6
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