| 1 | Cutting Characteristics of Zr-Based Bulk Metallic Glass显示文摘Cutting behavior exerts a considerable influence on the fabrication of bulk metallic glass(BMG) components. In this study,the influences of machining parameters(i.e.,depth of cutting,feed rate,and spindle rate) on the turned surface of a Zr-based BMG after observing the 3D morphologies of this surface were characterized.The results showed that the influence of the spindle rate on the surface morphologies is more substantial as compared to the depth of cutting and the feed rate. Nanoscratch tests were conducted to further characterize the separation mechanism of the chips,which revealed that the chips are torn off the surface of a BMG because of inhomogeneous localized maximum shear stress. | D.X.Han G.Wang J.Li K.C.Chan S.To F.F.Wu Y.L.Gao Q.J.Zhai | 2015 | Journal of Materials Science & Technology2015，31，2： | 2 |
| 2 | Osteogenesis and angiogenesis of a bulk metallic glass for biomedical implants显示文摘Implantation is an essential issue in orthopedic surgery.Bulk metallic glasses(BMGs),as a kind of novel materials,attract lots of attentions in biological field owing to their comprehensive excellent properties.Here,we show that a Zr_(61)Ti_(2)Cu_(25)Al_(12)(at.%)BMG(Zr-based BMG)displays the best cytocompatibility,pronounced positive effects on cellular migration,and tube formation from in-vitro tests as compared to those of commercial-pure titanium and poly-ether-ether-ketone.The in-vivo micro-CT and histological evaluation demonstrate the Zr-based BMG can significantly promote a bone formation.Immunofluorescence tests and digital reconstructed radiographs manifest a stimulated effect on early blood vessel formation from the Zr-based BMG.Accordingly,the intimate connection and coupling effect between angiogenesis and osteogenesis must be effective during bone regeneration after implanting Zr-based BMG.Dynamic gait analysis in rats after implanting Zr-based BMG demonstrates a tendency to decrease the pain level during recovery,simultaneously,without abnormal ionic accumulation and inflammatory reactions.Considering suitable mechanical properties,we provide a realistic candidate of the Zr61Ti2Cu25Al12 BMG for biomedical applications. | K.Sun R.Fu X.W.Liu L.M.Xu G.Wang S.Y.Chen Q.J.Zhai S.Pauly | 2022 | Bioactive Materials2022，7，2： | 1 |
您所在的机构暂未开通此部分的功能，请联系管理员