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金属学报  2006, Vol. 42 Issue (4): 379-382     
  论文 本期目录 | 过刊浏览 |
Zr41.25Ti13.75Ni10Cu12.5Be22.5多孔块体非晶合金的制备
任英磊 索忠源 邱克强
沈阳工业大学材料科学与工程学院
FABRICATION OF Zr41.25Ti13.75Ni10Cu12.5Be22.5 BULK METALLIC GLASS FOAM
QIU K Q
沈阳工业大学材料科学与工程学院
引用本文:

任英磊; 索忠源; 邱克强 . Zr41.25Ti13.75Ni10Cu12.5Be22.5多孔块体非晶合金的制备[J]. 金属学报, 2006, 42(4): 379-382 .
, , . FABRICATION OF Zr41.25Ti13.75Ni10Cu12.5Be22.5 BULK METALLIC GLASS FOAM[J]. Acta Metall Sin, 2006, 42(4): 379-382 .

全文: PDF(758 KB)  
摘要: 利用NaCl颗粒作为预制型,U形石英管作为坩埚,在双室加热炉中通过快速渗流、水淬和盐型滤除方法制备出直径为8.1mm,高70mm的Zr基泡沫块体非晶合金,这是目前所报道的尺寸最大的Zr基泡沫非晶合金。X射线衍射(XRD)分析表明,所制备的样品由单一的非晶相组成。扫描电镜观察表明,孔隙之间具有良好的连通性,孔隙直径和孔棱均小于1mm,泡沫非晶合金密度为3.63g/cm3, 孔隙率为40.5%。 泡沫非晶合金是一种具有潜在应用前景的生物移植材料。
关键词 泡沫非晶合金渗流铸造    
Abstract:A bulk metallic glass foam with a diameter of 8.1 mm and a length of 70 mm was fabricated by infiltrating Zr-based liquid metal into NaCl powder as a pattern in a few seconds and water quenching the pattern. Both the powders and the prealloyed charges were sealed in a U-turn quartz tube as a crucible and heated in two different temperature regions respectively in the electric resistance furnace. The sample fabricated is the largest in diameter up to now according to the literature. The X-ray diffraction and the scanning electron microscopy were used to check the amorphous nature and structure of the porous samples. The results show that the samples are consisted of amorphous phase and have good connectivity among the cells in the foam. The sizes of struts and the holes are largely smaller than 1mm. The density and porosity of the open-cellular bulk metallic glass are 3.63g/cm3 and 40.5% respectively. Porous bulk metallic glass is the most potential materials that will be used as biologic-transplant materials.
Key wordsporous metallic glass    infiltrating casting
收稿日期: 2005-07-21     
ZTFLH:  TG139  
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