| 加热温度对铸态Ti1100氧化及表面形貌的影响 |
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| 引用本文： | 李俊刚,;吕迎,;金云学,;王俊峰,;范尊才.加热温度对铸态Ti1100氧化及表面形貌的影响[J].佳木斯工学院学报,2008(5):589-591. |
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| 作者姓名： | 李俊刚 ;吕迎 ;金云学 ;王俊峰 ;范尊才 |
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| 作者单位： | [1]佳木斯大学材料科学与工程学院,黑龙江佳木斯154007; [2]江苏科技大学材料科学与工程学院,江苏镇江212003 |
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| 基金项目： | 黑龙江省教育厅科研项目基金资助（11511386）;佳木斯大学科研项目基金资助（0411333）. |
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| 摘 要： | 研究了铸态Ti1100在不同温度下保温5小时的氧化增重和表面形貌.结果表明,随着加热温度的升高,铸造Ti1100氧化加重.300℃基本不氧化;500℃-700℃,Ti1100试样增重0.28-0.62%;1100℃氧化增重严重,达到12.73%;钛的氧化增重为吸氧.用JSM-6360LV型扫描电子显微镜观察试样表面形貌,300-600℃氧化膜极薄且致密;700℃试样表面有少量的氧化腐蚀坑,表面较致密;900℃试样表面有较多的突起氧化层,表面不致密;1100℃氧化层为板片状TiO2.氧化过程为高温时,氧化膜晶粒粗大变得疏松,氧通过氧化膜扩散进基体.
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| 关 键 词： | Ti1100 加热温度 氧化 表面形貌 |
Effect of Temperature on Oxidation and Surface Morphology of Casting Ti1100 |
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| Affiliation: | LI Jun-gang,LU Ying,JIN Yun-xue,WANG Jun-feng,FAN Zun-cai(1.School of Materials Science and Engineering,Jiamusi University,Jiamusi 154007,China;2.School of Materials Science and Engineering,Jiangsu University of Science and Technology,Zhenjiang 212003,China) |
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| Abstract: | Oxidation and surface morphology of casting Ti1100 at different temperatures for 5 hours have been investigated.With the increase of heating temperature,the oxidation of casting Ti1100 aggravated gradually.The oxidation hardly occurred nearly at 300℃.The oxidation increased by 0.28-0.62% at 500℃-700℃,and it reached 12.73% at 1100℃ owing to the absorption of oxygen.Surface morphology of Ti1100 after oxidation was characterized by SEM.At 300℃-600℃,oxidative film was thin and dense;at 700℃,denser oxidative film with few oxidative pits formed on its surface;at 900℃,the film with a little protuberant oxide was not dense;and at 1100℃laminar TiO2 appeared.During the oxidative process at high temperature,the oxidation film became coarser due to the diffusion of oxygen into the substrate through the film. |
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| Keywords: | Ti1100 heating temperature oxidation surface morphology |
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