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| 1 | A comprehensive review on biocompatible Mg-based alloys as temporary orthopaedic implants:Current status,challenges,and future prospects显示文摘Mg and its alloys are drawing huge attention since the last two decades as a viable option for temporary implants applications.A commendable progress has already been made in the development of these alloys.The biodegradable nature of Mg,appreciable biocompatibility of elemental Mg,and its close resemblance to natural bone in terms of density and elastic modulus make them highly preferable option amongst other available alternatives in this field.This review article presents an overview covering the recent advancements made in the field of Mg-based biodegradable implants for orthopaedic implant applications.The paper focuses on alloy development and fabrication techniques,the state of the art of important Mg-based alloy systems in terms of their mechanical properties,in-vitro and in-vivo degradation behaviour and cytotoxicity.Further,the paper reviews the current progress achieved in the clinical transition of Mg-based alloys for orthopaedic fixtures.The review also includes the degradation mechanisms of the alloys in physiological environment and highlights the mismatch existing between the rate of bone healing and alloy degradation due to rapid corrosion of the alloys in such environment,which has still restricted their widespread application.Finally,the surface coating techniques available for the alloys as an effective way to reduce the degradation rate are reviewed,followed by a discussion on the future research prospects. | Darothi Bairagi Sumantra Mandal | 2022 | Journal of Magnesium and Alloys2022，10，3： | 5 |
| 2 | Ti对铸造镁合金晶粒细化的研究进展显示文摘由于Ti在Mg中的固溶度小,在镁合金中添加Ti十分困难,极大地限制了Ti在镁合金的应用。本文综述了Ti对铸造镁合金晶粒细化的研究进展,重点归纳了Ti单独添加、含Ti变质剂以及Ti与稀土元素复合添加对镁合金晶粒细化的效果及其细化机理,指出了当前研究中存在的局限性,并提出了进一步的研究和应用方向。 | 袁光宇 游国强 郭伟 | 2018 | 热加工工艺2018，47，11： | 2 |
| 3 | Improved tensile properties of Mg-8Sn-1Zn alloy induced by minor Ti addition显示文摘In this study, the influence of minor titanium(Ti) addition on the microstructure and tensile properties of Mg-8Sn-1Zn based alloys were investigated by means of optical microscopy, X-ray diffraction, scanning electron microscopy, energy dispersive spectrometry, and tensile tests. The results showed that Ti can decrease the secondary dendrite arm spacing(SDAS). The tensile strength of the Mg-8Sn-1Zn-Ti alloys is initially increased by increasing the Ti content up to 0.09 wt.%, but subsequently decreased for further increase of Ti content. The improved tensile properties are attributed to the decreased SDAS and refi ned Mg_2Sn phases, as well as the increased fraction of tin(Sn) segregated regions. The tensile fracture surface of the studied alloys shows mixed characteristics of cleavage and quasi-cleavage fracture. Adding Ti does not significantly change the fracture mode of the studied alloys. | Wei-li Cheng Quan-wei Tian Rui Huo Liang Tian Shou-fan Rong | 2016 | China Foundry2016，13，3： | 1 |
| 4 | Ti对Mg-Er-Ni合金组织和力学性能的影响显示文摘在LPSO结构增强Mg_(97.75)Er_(1.5)Ni_(0.75)合金中添加Ti,研究Ti含量对合金凝固组织和力学性能的影响。结果表明,添加Ti能够显著细化合金的晶粒尺寸。随着Ti含量增加,合金的晶粒尺寸呈先降低后增加的趋势,当添加(质量分数,下同)0.6%的Ti时,合金平均晶粒尺寸仅为235μm,与未添加Ti的合金相比降低了67.6%。随着Ti含量增加,合金的抗拉强度和伸长率均呈先提高后降低的趋势,当添加0.6%的Ti时,合金的抗拉强度和伸长率均达到最大值,分别为213 MPa和7.9%,相比未添加Ti的合金提高了20.3%和54.9%。 | 邱志文 刘长灵 周益环 | 2022 | 特种铸造及有色合金2022，42，8： | 0 |
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