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热爆合成Al-Ni2O3-Cu基复合材料

时间:2019-02-21 16:41来源:毕业论文
以Cu作为基体,利用Al与Ni2O3的剧烈反应在基体内产生Al2O3以及Al-Ni金属间化合物等一系列产物作为增强体。分别制作了10%、20%以及40%三个样品观察它们在扫描电镜下的显微组织

摘要Cu作为在有色金属中消费仅仅低于Al的金属。Cu广泛地应用于电力系统、车辆工程、炮弹制造、房屋建造等领域,在人们的生活中不可或缺。但是由于Cu的一些性能缺陷阻止了它的进一步应用。Cu的强度不高,在锻造的时候,内部容易产生偏析,产生断裂。加热温度过高的时候,容易引起过热过烧。因此,科学家们开始着手于一Cu为基体制作复合材料。Cu基复合材料主要能够提高材料的耐高温和高强度性能,并且要不破坏Cu原有的高导电和高导热的性能。在实际使用过程中,Cu基复合材料能够更好的去抵抗摩擦磨损,提高使用寿命。    33450
  本课题以Cu作为基体,利用Al与Ni2O3的剧烈反应在基体内产生Al2O3以及Al-Ni金属间化合物等一系列产物作为增强体。分别制作了10%、20%以及40%三个样品观察它们在扫描电镜下的显微组织。并以20% 的试样为例,测取它在不同升温速率下的DSC曲线。通过分析10K/min、20K/min、25K/min、30K/min升温速率下的DSC曲线,了解不同升温速率对Al-Ni2O3反应起爆温度的影响。最后对20% 的样品做XRD,测取样品中所包含的物质,对试样进行分析。
关键词:热爆合成   Cu基复合材料   试样分析
毕业论文设计说明书外文摘要
Title    Copper Composite Thermal Explosion Synthesis
Abstract
Cu as a consumer in the non-ferrous metals in just below Al. Cu is widely used in the field of systems, vehicle engineering, artillery manufacturing, housing construction and other power, indispensable in people's lives. However, due to some performance deficiencies Cu prevents its further application. Cu intensity is not high, the forging of time, internal prone to segregation, have a fracture. When the heating temperature is too high, prone to overheating over-burning. Therefore, scientists have begun to make a Cu as matrix composites. Cu-based composite material is mainly to improve the high-temperature and high-strength properties of the material, and Cu or else destroy the original high conductivity and high thermal performance. In actual use, Cu matrix composites are better able to resist friction and wear, improve life.

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The issue with Cu as a base, the use of violent reaction produces Al and Al2O3 and Ni2O3 Al-Ni intermetallic compound and a series of product as a reinforcement in the matrix. They were produced by 10%, 20% and 40% of the three samples of their microstructure was observed under a scanning electron microscope. And 20% of the sample, for example, take it DSC curves measured at different heating rates. By analyzing the 10K / min, 20K / min, 25K / min, 30K / min heating rate DSC curve to understand the impact of different reaction initiation temperature heating rate of Al-Ni2O3. Finally, 20% of the sample do XRD, test taking substances contained in the sample, the sample is analyzed.
Keywords: Hot blast method,  Manufacture of metal matrix composites, Sample analysis
目   次
1  绪论    1
1.1引言    1
1.2颗粒增强金属基复合材料    1
1.3原位合成法    3
1.4本课题研究的主要目的及内容    7
2 实验方法和复合材料制备    9
2.1实验设备    9
2.2实验流程    9
3  Al-Ni2O3-Cu系复合材料实验结果分析    14
3.1  Al-Cu DSC曲线分析    14
3.2扫描电镜下显微组织的观察    16
3.3  X射线衍射分析    17
3.4 不同升温速率下的DSC曲线分析    18
结  论    19
致  谢    21
参考文献22
1  绪论
1.1  引言 热爆合成Al-Ni2O3-Cu基复合材料:http://www.lwfree.cn/cailiao/20190221/30570.html
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