Fretting Fatigue Behavior of Amorphous Alloy in Simulated Body Fluid
非晶合金在模拟体液中的微动疲劳行为
基本信息
- 批准号:14550694
- 负责人:
- 金额:$ 2.37万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2002
- 资助国家:日本
- 起止时间:2002 至 2004
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Fretting fatigue tests were carried out in a simulated body fluid using a Zr-based bulk amorphous alloy and its fretting fatigue behavior was studied. The fretting fatigue limits were compared with those of conventional metallic materials in air and in the simulated body fluid and the fretting fatigue crack nucleation mechanism was discussed using SEM observation of the fracture surfaces and XPS analysis of the fretted areas on the specimen surface. Corrosion behavior of Zr-based bulk amorphous alloys was also studied in various simulated body fluids.The results obtained are as follows.1) The tensile strength of a Zr-based bulk amorphous alloy was similar to that of pure Ti. However, the amorphous alloy exhibited the unique behavior that the fretting fatigue strength is higher in the simulated body fluid than that in air, while the fretting fatigue strength of Ti-6Al-4V was lower in the simulated body fluid than in air.2) The effect of environment on the fretting fatigue strength for t … More he Zr-based bulk amorphous alloy could be explained as follows. SEM observation showed that the morphology of the fretted area on the specimen surface was different between the specimens tested in air and in the simulated body fluid, and the fretting damage in the simulated body fluid was induced uniformly within the contact area of the fretting pad, while the damage in air was induced locally. Thus, the fretting damage induced locally in air introduced the stress concentration on the specimen surface and decreased the fretting fatigue strength. The difference between oxide films formed on the specimen surface in air and in the simulated body fluid seemed to affect the morphology of the fretting damage.3) We also studied the polarization behavior of a Zr based amorphous alloy in various simulated body fluids such as Hanks' solution and cell culture medium in order to examine the corrosion resistance in simulated body fluids. We found that the amorphous alloy has higher resistance to general corrosion and pitting corrosion in the fluids containing amino acid or protein.In addition, Zr based amorphous alloys have the lower Young's modulus of about 75 MPa, compared with that of conventional crystalline alloys and therefore, they are suitable for medical applications, if their plastic deformability at room temperature is improved. Less
在模拟体液中对锆基大块非晶合金进行了微动疲劳试验,并对其微动疲劳行为进行了研究。将微动疲劳极限与常规金属材料在空气和模拟体液中的微动疲劳极限进行了比较,并通过断口的扫描电子显微镜观察和试件表面微动区域的XPS分析,探讨了微动疲劳裂纹的形核机制。研究了锆基大块非晶合金在不同模拟体液中的腐蚀行为,结果表明:1)锆基大块非晶合金的抗拉强度与纯钛相似。非晶态合金在模拟体液中的微动疲劳强度高于空气中的微动疲劳强度,而Ti-6Al-4V在模拟体液中的微动疲劳强度低于空气中的微动疲劳强度。2)环境对t-…微动疲劳强度的影响更多的氦-锆基大块非晶合金可以解释如下。扫描电子显微镜观察表明,在空气中和模拟体液中,试件表面微动区域的形貌不同,模拟体液中的微动损伤是均匀地在微动垫的接触区内引起的,而在空气中的损伤是局部引起的。因此,在空气中局部产生的微动损伤在试件表面引入了应力集中,降低了微动疲劳强度。样品表面在空气和模拟体液中形成的氧化膜的差异似乎影响了微动损伤的形貌。3)为了考察其在模拟体液中的耐蚀性,研究了锆基非晶态合金在不同模拟体液中的极化行为。研究发现,在含有氨基酸或蛋白质的流体中,非晶态合金具有较高的抗一般腐蚀和点蚀能力。此外,与传统晶态合金相比,锆基非晶态合金具有较低的杨氏模数,约为75 Mpa,因此,如果改善其室温塑性变形能力,则适合于医疗应用。较少
项目成果
期刊论文数量(22)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Fretting Fatigue Properties of Zr-Based Bulk Amorphous Alloy in Phosphate Saline Solution
锆基大块非晶合金在磷酸盐溶液中的微动疲劳性能
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:Norio Maruyama;Sachiko Hiromoto;Masato Ohnuma;Takao Hanawa
- 通讯作者:Takao Hanawa
Fretting Fatigue Properties of Zr-Based Amorphous Alloy in Phosphate-Buffered Saline Solution
锆基非晶合金在磷酸盐缓冲盐溶液中的微动疲劳性能
- DOI:
- 发表时间:2004
- 期刊:
- 影响因子:0
- 作者:N.Maruyama;S.Hiromoto;M.Ohnuma;T.Hanawa
- 通讯作者:T.Hanawa
Norio Maruyama, Kozo Nakazawa, Takao Hanawa: "Fatigue Properties of Zr-Based Bulk Amorphous Alloy in Phosphate Buffered Saline Solution"Mater. Trans.. Vol.43.No.12. 3118-3121 (2002)
Norio Maruyama、Kozo Nakazawa、Takao Hanawa:“磷酸盐缓冲盐溶液中锆基大块非晶合金的疲劳性能”硕士。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Norio Maruyama, Sachiko Hiromoto, Masato Ohnuma, Takao Hanawa: "Fretting Fatigue Properties of Zr-Based Bulk Amorphous Alloy in Phosphate Buffered Saline Solution"Mater.Trans.. 45巻4号. (2004)
Norio Maruyama、Sachiko Hiromoto、Masato Ohnuma、Takao Hanawa:“Zr 基大块非晶合金在磷酸盐缓冲盐溶液中的微动疲劳特性”Mater.Trans.. 第 45 卷,第 4 期(2004 年)
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
Fretting Fatigue Properties of Zr-Based Bulk Amorphous Alloy in Phosphate Buffered Saline Solution
- DOI:10.2320/jinstmet.69.481
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:N. Maruyama;S. Hiromoto;M. Ohnuma;T. Hanawa
- 通讯作者:N. Maruyama;S. Hiromoto;M. Ohnuma;T. Hanawa
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MARUYAMA Norio其他文献
MARUYAMA Norio的其他文献
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{{ truncateString('MARUYAMA Norio', 18)}}的其他基金
Fretting fatigue behaviour of Ni-free high-nitrogen stainless steel in a simulated body fluid
无镍高氮不锈钢在模拟体液中的微动疲劳行为
- 批准号:
20360319 - 财政年份:2008
- 资助金额:
$ 2.37万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
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