本文選題：激光制造　切入點(diǎn)：激光加工參數(shù)　出處：《中國(guó)激光》2017年03期 　論文類型：期刊論文

【摘要】：利用皮秒激光在304不銹鋼上進(jìn)行表面著色試驗(yàn)研究。分析了皮秒激光對(duì)不銹鋼表面著色的機(jī)理,建立了表面色彩的模型。分別試驗(yàn)研究了掃描線間距、掃描速度和脈沖能量等激光工藝參數(shù)對(duì)著色效果的影響。研究結(jié)果表明,改變線間距、掃描速度和功率均能對(duì)著色效果產(chǎn)生顯著影響,在掃描速度90~300μm/s,掃描線間距0.001~0.01mm,單脈沖能量60~140mJ/cm~2的參數(shù)范圍內(nèi)能得到較好的色彩,而且三者對(duì)著色有近似的影響效果。在試驗(yàn)基礎(chǔ)上,獲得了皮秒激光參數(shù)與CIE L*a*b*色彩模型之間的關(guān)系。最后對(duì)著色后的試樣進(jìn)行了顏色老化對(duì)比試驗(yàn)。老化對(duì)比試驗(yàn)表明,不同老化時(shí)間下的激光著色試樣的色差值ΔE均很小,說明各試樣顏色接近,耐老化效果較好。
[Abstract]:The surface coloring of 304 stainless steel by picosecond laser was studied. The mechanism of surface coloration of stainless steel by picosecond laser was analyzed, and the model of surface color was established. The effects of laser parameters such as scanning speed and pulse energy on the coloring effect are studied. The results show that changing the line spacing, scanning speed and power can significantly affect the coloring effect. A good color can be obtained within the parameters of the scanning speed of 90 渭 m / s, the scan line spacing of 0.001 ~ 0.01mm, the single pulse energy of 60140mJ / cm ~ (-2), and the effect of the three factors on the coloring. The relationship between the parameters of picosecond laser and the color model of CIE has been obtained. Finally, the color aging contrast tests of the colored samples have been carried out. The results show that the color difference 螖 E of the laser colored samples at different aging times is very small. The results show that the color of each sample is close and the effect of aging resistance is better.
【作者單位】： 五邑大學(xué)機(jī)電工程學(xué)院;廣東省摩托車先進(jìn)設(shè)計(jì)與制造工程技術(shù)研究中心;
【基金】：廣東省自然科學(xué)基金(S2013010008735)
【分類號(hào)】：TG177;TN249

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