【摘要】：在復合材料通用性極強的大背景下,碳纖維復合材料由于其優(yōu)越的力學性能備受關(guān)注,而隨著對碳纖維復合材料研究的深入與廣泛應用,其在電磁學與熱力學特性的改進與優(yōu)化也迫在眉睫。本文就通過了解與制作碳纖維復合材料,考慮影響碳纖維復合材料光學特性的影響因素,并在本實驗室允許的條件下,考慮設(shè)計研究此類材料的一般性方法。本文通過了解光學常數(shù)間存在的關(guān)系,由于微觀領(lǐng)域上原子和分子間的能量與能級躍遷的變化,使得所有材料的光學常數(shù)間都存在固定的光學常數(shù)關(guān)系——kramers-kronig關(guān)系,菲涅爾定律等。又由于不同材料的微觀特性,不同種類的材料也存在著一定的色散關(guān)系。從而依此建立起了研究碳纖維材料的光學常數(shù)間的模型,并且通過對kramers-kronig關(guān)系的研究也延伸出了直接通過該關(guān)系結(jié)合反射光譜研究材料光學常數(shù)的方法。而由于使用通過色散模型和kramers-kronig關(guān)系式建立起的光學常數(shù)模型解不唯一,且直接通過kramers-kronig關(guān)系求解也存在測量光譜與所需的計算光譜不統(tǒng)一的矛盾。從而引入數(shù)學方法,來將本文所建立的兩種光學常數(shù)模型轉(zhuǎn)化為可以求解的數(shù)學模型進行求解,并通過引入其他文獻數(shù)據(jù)對所建立的完整的兩種數(shù)學模型進行驗證。并在此基礎(chǔ)上,使用兩種數(shù)學模型對制作的樣片的光學常數(shù)進行計算。在此基礎(chǔ)上,作者自行制作了結(jié)構(gòu)、厚度、膠體含量不同的樣片。并對對碳纖維材料的光譜數(shù)據(jù),對不同因素對光學常數(shù)的影響進行了分析。并得出結(jié)論,碳纖維布料較薄時,可視其為多孔半透明介質(zhì);而不同角度編織結(jié)構(gòu)對材料的光學常數(shù)有一定的影響;環(huán)氧樹脂作為基體材料,其吸收特性會使碳纖維樣片相比碳纖維布料的光學常數(shù)有所下降。
[Abstract]:Under the background of high versatility, carbon fiber composites (CFRP) have attracted much attention because of their superior mechanical properties. However, with the development and application of CFRP, carbon fiber composites (CFRP) have been widely used. It is urgent to improve and optimize the electromagnetic and thermodynamic properties. In this paper, the influence factors of the optical properties of carbon fiber composites are considered through understanding and making carbon fiber composites, and a general method of designing and studying this kind of materials is considered under the conditions permitted by our laboratory. In this paper, by understanding the relationship between optical constants, because of the changes of energy and energy level transitions between atoms and molecules in the microscopic field, there is a fixed optical constant relation between optical constants of all materials, that is, Kramers-kronig relation. Fresnel's law and so on. Because of the microcosmic characteristics of different materials, there is a certain dispersion relationship among different kinds of materials. Thus, a model for studying the optical constants of carbon fiber materials is established, and the method of studying the optical constants of carbon fiber materials directly through the study of the kramers-kronig relationship is also extended. Because the optical constant model established by dispersion model and kramers-kronig relation is not unique, and the measurement spectrum is inconsistent with the calculated spectrum directly through the kramers-kronig relation. Then the mathematical method is introduced to transform the two optical constant models established in this paper into mathematical models that can be solved, and the complete two mathematical models are verified by introducing other literature data. On this basis, two mathematical models are used to calculate the optical constants of the samples. On this basis, the author made samples with different structure, thickness and colloid content. The influence of different factors on optical constants was analyzed. It is concluded that when carbon fiber cloth is thin, it can be seen as porous translucent medium, and different angle braiding structure has certain influence on the optical constant of the material, epoxy resin is used as matrix material, The absorption properties of the carbon fiber sample will decrease the optical constant of the carbon fiber fabric compared with that of the carbon fiber cloth.
【學位授予單位】：哈爾濱工業(yè)大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TB332

【引證文獻】

相關(guān)會議論文 前2條

1 武文明;成來飛;王廣;;高溫熱處理對C/SiC復合材料熱輻射性能的影響[A];第十五屆全國復合材料學術(shù)會議論文集（下冊）[C];2008年

2 殷小瑋;成來飛;張立同;徐永東;;C/SiC—Cr-Si復合材料的結(jié)構(gòu)與性能[A];復合材料的現(xiàn)狀與發(fā)展——第十一屆全國復合材料學術(shù)會議論文集[C];2000年

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本文編號：2208789