http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
- 中文 을 입력하시려면 zhongwen을 입력하시고 space를누르시면됩니다.
- 北京 을 입력하시려면 beijing을 입력하시고 space를 누르시면 됩니다.
RISS 인기검색어
- 검색키워드
- 저자 : Mukul Shukla (검색결과 2 건)
- 무료
- 기관 내 무료
- 유료
-
Surface Design Using Laser Rapid Manufacturing for Ti64-Hopeite Orthopedic Implants
Ashish Das,Mukul Shukla 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.7
Although hopeite bioceramic coatings have already proven efective for achieving better osseointegration and antibacterialcharacter, but the detachment of hopeite coatings during implanting of coated implants can negatively afect the hopeitebioactivity in the physiological environment. To overcome this issue, the present research work proposes a new processroute of laser rapid manufacturing (LRM) for depositing hopeite coatings with the metallurgical bond. Microstructure, phasecomposition, microhardness, antibacterial efcacy, and bioactivity were evaluated using scanning electron microscope, X-raydifraction, Vickers microhardness tester, fuorescence-activated cell sorting technique, simulated body fuid immersion testrespectively. The promising results obtained from these characterizations and testing establishes a new process route LRMas an efective alternative to deposit multifunctional hopeite coatings on metallic prosthetic–orthopedic implants.
-
Tarun Bhardwaj,Mukul Shukla,Nisheeth K. Prasad,C. P. Paul,K. S. Bindra 대한금속·재료학회 2020 METALS AND MATERIALS International Vol.26 No.7
In this study, the direct laser deposition-additive manufacturing (DLD-AM) process is employed to fabricate Ti–15Mobiomedical alloy along two build directions. The aim is to analyse the effect of induced surface topography on corrosionand in-vitro bioactivity, motivated towards ultimate reduction in post-fabrication surface modifications. The effectof surface roughness on corrosion resistance is analysed in-vitro in simulated body fluid (SBF) by electrochemical study. Owing to higher surface roughness in the vertical build samples (Ra = 52.70 ± 11.40 μm) than the horizontal build samples(Ra = 27.10 ± 4.17 μm), upto 75% higher corrosion resistance is found for horizontally built samples. The double passivebarrier layer formed in horizontal build higher surface finish samples results in lower corrosion. Further, wettability testconfirms that both the build orientations exhibit a hydrophilic surface nature, leading to improved cell attachment. SEM–EDSanalysis establishes the in-vitro apatite formation on immersion in SBF, for both build orientation samples. This study leadsto understand the role of build orientation induced surface topography for production of minimal post-surface treatmentTi–15Mo bio-implants by the DLD-AM process.
연관 검색어 추천
이 검색어로 많이 본 자료
활용도 높은 자료
