【摘要】：材料的成分分布直接影響材料的質(zhì)量和性能,因此材料的面掃描分析對(duì)改進(jìn)其性能、保證其質(zhì)量以及拓展其應(yīng)用等方面起著十分重要的作用。傳統(tǒng)的面掃描分析技術(shù),因存在著需要真空環(huán)境、樣品制備繁瑣及樣品尺寸受限等不足,而不能滿足實(shí)時(shí)、在線的分析需求。近幾十年發(fā)展起來(lái)的基于激光探針的面掃描分析技術(shù)有望克服上述不足,成為應(yīng)用范圍更廣的面掃描分析技術(shù)。然而,現(xiàn)有的激光探針技術(shù)面掃描分析技術(shù)尚未得到廣泛應(yīng)用,其面掃描分析軟件的開(kāi)發(fā)更是鮮有報(bào)道。本文依托自行搭建的激光探針平臺(tái),基于Windows系統(tǒng),采用Qt開(kāi)發(fā)應(yīng)用程序框架,以C/C++和Python為開(kāi)發(fā)語(yǔ)言,對(duì)激光探針面掃描分析軟件進(jìn)行了設(shè)計(jì)和實(shí)現(xiàn),并在此基礎(chǔ)上實(shí)現(xiàn)了激光探針面掃描分析軟件的初步應(yīng)用。主要研究成果如下:(1)該軟件實(shí)現(xiàn)了對(duì)激光探針平臺(tái)的全自動(dòng)控制功能,包括平臺(tái)各硬件裝置的控制、數(shù)據(jù)采集、存儲(chǔ)和結(jié)果顯示等功能,解決了平臺(tái)的關(guān)鍵裝置光譜儀的標(biāo)定問(wèn)題,保證光譜數(shù)據(jù)的準(zhǔn)確度。(2)設(shè)計(jì)并實(shí)現(xiàn)了激光探針面掃描分析方法,并采用全景圖技術(shù)完成了樣品全貌的拍攝及顯示,通過(guò)建立全貌圖與實(shí)際樣品間的坐標(biāo)映射關(guān)系,完成了面掃描分析應(yīng)用軟件的開(kāi)發(fā),實(shí)現(xiàn)了樣品的精確定位及對(duì)選定區(qū)域進(jìn)行面掃描分析功能。(3)利用該軟件分別對(duì)自制樣品及標(biāo)準(zhǔn)鐵礦石樣品表面進(jìn)行了分析,測(cè)試了軟件各模塊的性能和驗(yàn)證了軟件的實(shí)用性。通過(guò)對(duì)天然鐵礦石樣品進(jìn)行分析,得到其表面Ca、Al、Ti和Mn元素的分布情況。結(jié)果表明,本文所開(kāi)發(fā)的面掃描分析軟件,可對(duì)激光探針平臺(tái)進(jìn)行全自動(dòng)控制,實(shí)現(xiàn)光譜數(shù)據(jù)的采集、存儲(chǔ)及顯示的功能;同時(shí),可對(duì)樣品進(jìn)行全貌圖的拍攝及對(duì)選定區(qū)域進(jìn)行面掃描分析,從而得到樣品的表面成分分布情況。相關(guān)成果有望為激光探針面掃描分析技術(shù)的推廣應(yīng)用奠定基礎(chǔ)。
[Abstract]:The composition distribution of materials directly affects the quality and properties of materials, so the surface scanning analysis of materials plays an important role in improving their properties, ensuring their quality and expanding their applications. The traditional surface scanning analysis technology can not meet the real-time and on-line analysis requirements because of the shortcomings of vacuum environment, tedious sample preparation and limited sample size. The surface scanning analysis technology based on laser probe developed in recent decades is expected to overcome the above shortcomings and become a more widely used surface scan analysis technology. However, the existing laser probe technology surface scanning analysis technology has not been widely used, and the development of surface scanning analysis software is rarely reported. Based on the self-built laser probe platform, based on the Windows system, the application framework is developed by Qt, and the software of scanning and analyzing the laser probe surface is designed and implemented with C / C and Python as the development language. On this basis, the preliminary application of laser probe surface scanning analysis software is realized. The main research results are as follows: (1) the software realizes the automatic control function of the laser probe platform, including the control of each hardware device of the platform, data acquisition, storage and result display, etc. The calibration problem of the spectrometer, the key device of the platform, is solved, and the accuracy of the spectral data is guaranteed. (2) the method of scanning and analyzing the laser probe surface is designed and realized, and the panoramic technique is used to complete the shooting and display of the whole sample. By establishing the coordinate mapping relationship between the panoramic map and the actual sample, the application software of surface scanning analysis is developed. The precise location of samples and the analysis of selected areas are realized. (3) the surface of self-made samples and standard iron ore samples are analyzed by using the software. The performance of each module of the software is tested and the practicability of the software is verified. The distribution of Ca,Al,Ti and Mn elements on the surface of natural iron ore was obtained by analyzing the samples. The results show that the software developed in this paper can automatically control the laser probe platform and realize the functions of spectral data acquisition, storage and display. The surface composition distribution of the sample can be obtained by taking the panorama of the sample and scanning the selected area. The related results are expected to lay a foundation for the popularization and application of laser probe surface scanning analysis technology.
【學(xué)位授予單位】：華中科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：TN249;TP311.52

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