Development of Novel High Strength Biodegradable Metals for Temporary Biomedical Implants
开发用于临时生物医学植入物的新型高强度可生物降解金属
基本信息
- 批准号:1607942
- 负责人:
- 金额:$ 31.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-09-01 至 2023-02-28
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Non-Technical Abstract: A dream of the biomedical devices industry is to replace permanent endovascular stents with stents that can perform their function in the first few months and then dissolve in the host body, eliminating harmful long-term effects experienced with current permanent stents. This work seeks to overcome one of the most challenging aspects of biodegradable implant materials, controlling the microstructure, through processing, for enhancing the mechanical behavior and controlling the lifetime in physiological environments. The broader impacts of this work include use of the advanced thermomechanical processing methods to improve the mechanical properties of zinc-based biodegradable metals. This approach has the potential to change how biodegradable implants are processed and can initiate a revolution in the biomedical industry by implementing new processes for manufacturing biodegradable implants materials. Other broader impacts of the proposed work include producing modules on processing-microstructure-property relationships of zinc alloys, expanding an established K-12 hands-on SEM-based outreach program at Michigan State University (MSU), and providing research opportunities for graduate and undergraduate students. The modules and outreach program are intended to help promote K-12 students to enter Science, Technology, Engineering and Math (STEM) disciplines. Overall, this work is intended to make a lasting effect by understanding processing-microstructure-property relationships of zinc alloys.Technical Abstract:Because they exhibit near-ideal biocorrosion and biocompatibility behavior, zinc (Zn) and its alloys show promise for biomedical applications such as biodegradable stents. However, a primary drawback of pure Zn as an absorbable stent material is the lack of mechanical strength. The strengths of Zn alloys can be significantly improved through severe plastic deformation (SPD) techniques such as high-pressure torsion and equal channel angular pressing, both of which result in a significantly refined microstructure. The application of SPD techniques, such as these, is especially promising for metal matrix nanocomposites (MMNCs). Although MMNCs containing Zn as a matrix is in its infancy, they have the potential to result in biodegradable materials with enhanced strengths, while maintaining biocorrosion behavior and biocompatibility attractive for biodegradable implants. Overall, this program will evaluate the viability of Zn-matrix MMNCs as biodegradable implants and will test the novel SPD approach for grain refinement. A focus of this work will be to understand processing-microstructure-property relations of these materials. In addition, an understanding of the corrosion behavior and mechanisms and the nature of the biocompatibility of these materials in comparison to standard biodegradable Zn alloys will be obtained.
非技术摘要:生物医学设备行业的一个梦想是用支架取代永久性血管内支架,支架可以在最初几个月内发挥功能,然后溶解在宿主体内,消除目前永久性支架所经历的有害长期影响。 这项工作旨在克服生物可降解植入材料最具挑战性的方面之一,通过加工控制微观结构,以增强机械行为并控制生理环境中的寿命。 这项工作的更广泛的影响包括使用先进的热机械加工方法来改善锌基生物降解金属的机械性能。 这种方法有可能改变生物可降解植入物的加工方式,并通过实施制造生物可降解植入物材料的新工艺,引发生物医学行业的革命。 拟议工作的其他更广泛的影响包括生产锌合金的加工-微观结构-性能关系模块,扩大密歇根州立大学(MSU)已建立的K-12动手SEM为基础的推广计划,并为研究生和本科生提供研究机会。 这些模块和推广计划旨在帮助促进K-12学生进入科学,技术,工程和数学(STEM)学科。 总的来说,这项工作的目的是通过了解锌合金的加工-微观结构-性能关系,使一个持久的效果。技术摘要:因为他们表现出接近理想的生物腐蚀和生物相容性行为,锌(Zn)及其合金显示生物医学应用的前景,如生物降解支架。 然而,纯Zn作为可吸收支架材料的主要缺点是缺乏机械强度。 锌合金的强度可以通过剧烈塑性变形(SPD)技术显著提高,例如高压扭转和等通道角挤压,这两种技术都导致显著细化的显微组织。 SPD技术的应用,如这些,是特别有前途的金属基纳米复合材料(MMNC)。 虽然含有Zn作为基质的MMNC处于起步阶段,但它们有可能产生具有增强强度的可生物降解材料,同时保持生物腐蚀行为和生物相容性,对可生物降解植入物有吸引力。 总体而言,该计划将评估锌基质MMNC作为可生物降解植入物的可行性,并将测试用于晶粒细化的新型SPD方法。 这项工作的重点将是了解这些材料的加工-微观结构-性能关系。 此外,还将了解这些材料与标准可生物降解锌合金相比的腐蚀行为和机制以及生物相容性的性质。
项目成果
期刊论文数量(10)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Strength enhancement of an aluminum alloy through high pressure torsion
- DOI:10.1016/j.msea.2019.05.102
- 发表时间:2019-07
- 期刊:
- 影响因子:0
- 作者:Uchechi Okeke;H. Yilmazer;S. Sato;C. Boehlert
- 通讯作者:Uchechi Okeke;H. Yilmazer;S. Sato;C. Boehlert
Composition-Dependent Microstructure-Property Relationships of Fe and Al Modified Ti-12Cr (wt.%)
成分相关%20显微组织-性能%20关系%20of%20Fe%20和%20Al%20改性%20Ti-12Cr%20(wt.%)
- DOI:10.1007/s11837-019-03467-y
- 发表时间:2019
- 期刊:
- 影响因子:2.6
- 作者:Ballor, J.;Ikeda, M.;Kautz, E. J.;Boehlert, C. J.;Devaraj, A.
- 通讯作者:Devaraj, A.
Lattice Parameter Evolution during the β-to-α and β-to-ω Transformations of Iron- and Aluminum-Modified Ti-11Cr(at.%)
晶格%20参数%20演化%20期间%20the%20β-to-α%20和%20β-to-α%20转变%20of%20Iron-%20and%20Aluminum-Modified%20Ti-11Cr(at.%)
- DOI:10.3390/cryst14020145
- 发表时间:2024
- 期刊:
- 影响因子:2.7
- 作者:Ballor, JoAnn;Poplawsky, Jonathan D.;Devaraj, Arun;Misture, Scott;Boehlert, Carl J.
- 通讯作者:Boehlert, Carl J.
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Carl Boehlert其他文献
Plutonium: A reactive nuclear metal
- DOI:
10.1007/s11837-003-0021-2 - 发表时间:
2003-09-01 - 期刊:
- 影响因子:2.300
- 作者:
Robert J. Hanrahan;Carl Boehlert;Sean McDeavitt - 通讯作者:
Sean McDeavitt
Unveiling asymmetric precipitation strengthening during tension and compression via statistical slip activity analysis for an untextured Mg-10Gd-3Y-0.5Zr alloy
通过对非织构 Mg-10Gd-3Y-0.5Zr 合金进行统计滑移活动分析,揭示拉伸和压缩过程中的不对称沉淀强化
- DOI:
10.1016/j.ijplas.2025.104354 - 发表时间:
2025-06-01 - 期刊:
- 影响因子:12.800
- 作者:
Ran Ni;Zhiwei Jiang;Carl Boehlert;Jiang Zheng;Hao Zhou;Qudong Wang;Dongdi Yin - 通讯作者:
Dongdi Yin
Carl Boehlert的其他文献
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{{ truncateString('Carl Boehlert', 18)}}的其他基金
IRES Track I: Characterization and Modeling of Grain Boundaries in Hexagonal and Body Centered Cubic Alloys: Linking Processing and Properties
IRES 轨道 I:六方合金和体心立方合金晶界的表征和建模:连接加工和性能
- 批准号:
2153316 - 财政年份:2022
- 资助金额:
$ 31.7万 - 项目类别:
Standard Grant
Materials World Network: Understanding the Microstructural Evolution and Deformation Behavior in Mg-Mn-RE Alloys
材料世界网络:了解 Mg-Mn-RE 合金的微观结构演变和变形行为
- 批准号:
1107117 - 财政年份:2011
- 资助金额:
$ 31.7万 - 项目类别:
Continuing Grant
CAREER: Understanding Elevated-Temperature Grain Boundary Deformation Processes of High-Temperature Structural Alloys through Grain Boundary Engineering
职业:通过晶界工程了解高温结构合金的高温晶界变形过程
- 批准号:
0533954 - 财政年份:2005
- 资助金额:
$ 31.7万 - 项目类别:
Continuing Grant
IMR: Acquisition of a MATE Thermo-Mechanical Testing System for Research and Education in Materials Science and Engineering
IMR:采购 MATE 热机械测试系统,用于材料科学与工程的研究和教育
- 批准号:
0455467 - 财政年份:2004
- 资助金额:
$ 31.7万 - 项目类别:
Standard Grant
IMR: Acquisition of a MATE Thermo-Mechanical Testing System for Research and Education in Materials Science and Engineering
IMR:采购 MATE 热机械测试系统,用于材料科学与工程的研究和教育
- 批准号:
0415019 - 财政年份:2004
- 资助金额:
$ 31.7万 - 项目类别:
Standard Grant
CAREER: Understanding Elevated-Temperature Grain Boundary Deformation Processes of High-Temperature Structural Alloys through Grain Boundary Engineering
职业:通过晶界工程了解高温结构合金的高温晶界变形过程
- 批准号:
0134789 - 财政年份:2002
- 资助金额:
$ 31.7万 - 项目类别:
Continuing Grant
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