Evaluation of corrosion and tarnish on titanium alloy by electrochemical quartz crystal analyzer
电化学石英晶体分析仪评价钛合金的腐蚀和变色
基本信息
- 批准号:16390564
- 负责人:
- 金额:$ 6.27万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2004
- 资助国家:日本
- 起止时间:2004 至 2006
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Although well known for their superior corrosion resistance, titanium and titanium alloys are not strongly resistant to discoloration caused by peroxide and fluoride. This study investigates the tarnish and dissolution of several titanium alloys caused by peroxide or fluoride containing solutions. We found following conclusions. The reactions on titanium in a solution containing fluoride and albumin are demonstrated based on crystal phase, surface composition, released titanium concentration, and pH. The formation of an adsorbed albumin films on the passive film of specimen not only protected the specimen from attack by the fluoride but also suppressed release of titanium. The corrosion resistance of PGA and S12 decreased in iodine, and that of TI decreased in fluoride. Chromium content in Ti-Cr alloys increases the ratio of chromium oxide in surface oxide films. We suggest that oxide films which have rich chromium oxide content have greater corrosion resistance to fluoride. Alloying up to 3.5 mass % Cu to Ti-6Al-4V did not change the corrosion behavior. Specimens with ground or sandblasted surfaces were superior to specimens with as-cast surfaces. The color difference and dissolution rates were different with the two solutions. In the hydrogen peroxide containing solution, the color difference was higher for the Ti-55Ni and the Ti-6Al-4V alloys than any other alloys. Ti,Ti-0.15Pd,Ti-7Nb-6Al,Ti-6Al-4V and Ti-10Cu alloys showed remarkable color differences and dissolution in the fluoride containing solution. Ti-20Cr alloy showed the least color difference and dissolution in both solutions. We could not find significant correlation between color difference and dissolution by electrochemical quartz crystal analyzer.
尽管以优质的耐腐蚀性而闻名,但钛和钛合金并没有强烈抵抗过氧化物和氟化物引起的变色。这项研究研究了由过氧化物或含氟化溶液引起的几种钛合金的污染和溶解。我们发现了以下结论。基于晶体相,表面成分,释放的钛浓度和pH,证明了含氟化物和白蛋白溶液中钛的反应。在标本的被动膜上形成了吸附的白蛋白胶片,不仅保护标本免受氟化物的攻击,而且抑制了钛的释放。 PGA和S12的耐耐药性在碘中降低,氟化物的Ti耐药性降低。 TI-CR合金中的铬含量增加了表面氧化膜中氧化铬的比率。我们建议,氧化铬含量丰富的氧化物膜对氟化物具有更大的耐腐蚀性。将高达3.5个质量%CU合成为TI-6AL-4V不会改变腐蚀行为。地面或沙蓝色表面的标本优于带有as表面的标本。两种溶液的色差和溶解速率不同。在含有过氧化溶液的氢气中,TI-55NI和TI-6AL-4V合金的色差高于任何其他合金。 Ti,Ti-0.15pd,Ti-7NB-6AL,TI-6AL-4V和Ti-10cu合金在含氟化物的溶液中显示出显着的颜色差异和溶解。 TI-20CR合金在两种溶液中均显示出最小的色差和溶解。我们找不到通过电化学石英晶体分析仪的色差与溶解之间的显着相关性。
项目成果
期刊论文数量(11)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Corrosion resistance of experimental Ti-Cr dental casting alloys to fluoride
实验钛铬牙科铸造合金对氟化物的耐腐蚀性
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:S.Takemoto;M.Hattori;M.Yoshinari;E.Kawada;Y.Oda
- 通讯作者:Y.Oda
Corrosion behavior and surface characterization of Ti-20Cr alloy in a solution containing fluoride.
- DOI:10.4012/dmj.23.379
- 发表时间:2004-09
- 期刊:
- 影响因子:2.5
- 作者:S. Takemoto;M. Hattori;M. Yoshinari;E. Kawada;K. Asami;Y. Oda
- 通讯作者:S. Takemoto;M. Hattori;M. Yoshinari;E. Kawada;K. Asami;Y. Oda
Corrosion resistance of dental alloys in gargle solutions
牙科合金在漱口液中的耐腐蚀性
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:S.Takemoto;M.Hattori;M.Yoshinari;E.Kawada;Y.Oda
- 通讯作者:Y.Oda
Corrosion behavior of cast Ti-6A1-4V alloyed with Cu
Cu合金铸造Ti-6A1-4V的腐蚀行为
- DOI:
- 发表时间:2005
- 期刊:
- 影响因子:0
- 作者:Marie Koike;Zhuo Cai;Yutaka Oda;Masayuki Hattori;Hiroyuki Fuj ii;Toru Okabe
- 通讯作者:Toru Okabe
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ODA Yutaka其他文献
Effect of thermal wall condition on the dissimilarity of momentum and heat transfer in pulsating channel flow
热壁条件对脉动通道流动量和传热相异性的影响
- DOI:
10.1299/jtst.2020jtst0017 - 发表时间:
2020 - 期刊:
- 影响因子:1.2
- 作者:
YAMAZAKI Tatsuro;ODA Yutaka;MATSUMOTO Ryosuke;KATSUKI Masashi - 通讯作者:
KATSUKI Masashi
ODA Yutaka的其他文献
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Mechanism of antidote effect of lipid emulsion on the systemic toxicity of local anesthetics
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- 批准号:
23592261 - 财政年份:2011
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$ 6.27万 - 项目类别:
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Fast and Precise Prediction of Complex Heat and Fluid Flows by Hybrid Wind Tunnels
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20760136 - 财政年份:2008
- 资助金额:
$ 6.27万 - 项目类别:
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Regulation of the effect of anesthetics-relationships with intracerebral pharmacokinetics and adrenoceptors
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20591813 - 财政年份:2008
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$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
New electrochemical approach for evaluation of corrosion behavior of dental alloy
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- 批准号:
19390500 - 财政年份:2007
- 资助金额:
$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
RESEARCH OF THE MECHANISM OF GENEKRAL ANESTHESIA-PHARMACOKINETICS OF ANESTHETICS IN THE BRAIN AND ITS RELATION TO ANESTHETIC EFFECT
全麻机制研究——麻醉药脑内药代动力学及其与麻醉效果的关系
- 批准号:
17591648 - 财政年份:2005
- 资助金额:
$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
US-Japan Comparative Studies on Teachers' Perceptions on Early Childhood Education : Analysis through Video Stimulation Methods
美日教师幼儿教育认知比较研究:视频刺激法分析
- 批准号:
16402042 - 财政年份:2004
- 资助金额:
$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
RESEARCH OF THE MECHANISM OF GENEKRAL ANESTHESIA-ROLE OF P-GLYCOPROTEIN
全麻机制研究——P-糖蛋白的作用
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14571460 - 财政年份:2002
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$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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- 批准号:
13470420 - 财政年份:2001
- 资助金额:
$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Evaluation of corrosion resistance of free-machining titanium alloy
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- 批准号:
11671949 - 财政年份:1999
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$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
The Influence of Protein in Saliva on the Corrosion Evaluation of Dental Alloys
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- 批准号:
09672008 - 财政年份:1997
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$ 6.27万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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