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兰州理工大学 机电工程学院,甘肃 兰州 730050
[ "宋孝宗(1981-),男,甘肃会宁人,博士,副教授,2003年、2005年、2010年于哈尔滨工业大学分别获得学士、硕士、博士学位,主要从事超光滑表面加工方面的研究。E-mail:songxiaozong@126.com" ]
[ "姚统(1995-),男,甘肃通渭人,硕士,2016年于内蒙古科技大学获得学士学位,2019年于兰州理工大学获得硕士学位,主要从事光催化纳米颗粒胶体射流抛光方面的研究。E-mail: 836398066@qq.com" ]
收稿日期:2019-05-21,
录用日期:2019-6-3,
纸质出版日期:2019-09-15
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宋孝宗, 姚统. 喷嘴型腔对光耦合胶体射流抛光能力的影响[J]. 光学 精密工程, 2019,27(9):2011-2019.
Xiao-zong SONG, Tong YAO. Effect of nozzle cavity on polishing ability of light coupled colloid jet[J]. Optics and precision engineering, 2019, 27(9): 2011-2019.
宋孝宗, 姚统. 喷嘴型腔对光耦合胶体射流抛光能力的影响[J]. 光学 精密工程, 2019,27(9):2011-2019. DOI: 10.3788/OPE.20192709.2011.
Xiao-zong SONG, Tong YAO. Effect of nozzle cavity on polishing ability of light coupled colloid jet[J]. Optics and precision engineering, 2019, 27(9): 2011-2019. DOI: 10.3788/OPE.20192709.2011.
为了实现对工件表面的超精密抛光,建立了紫外光诱导纳米颗粒胶体射流加工系统。对不同型腔结构的两种喷嘴的光耦合纳米颗粒胶体射流抛光的流体动力学特性、抛光工艺、超光滑表面形貌特性进行了研究。首先,根据光-液耦合要求设计了锥柱和余弦光液耦合喷嘴。接着,对所设计的两种光液耦合喷嘴进行了非淹没射流三相流仿真,对比分析了纳米颗粒的流动径迹及流场分布情况。然后,用TiO
2
纳米颗粒胶体作为抛光液,用两种喷嘴对同一单晶硅工件分别进行了光耦合射流抛光试验。最后,对抛光前后的表面进行了表征及对比分析。结果表明:相同条件下余弦喷嘴获得的流动速度(20.73 m/s)和动压力(2.5 MPa)均高于锥柱喷嘴的流动速度(7.12 m/s)和动压力(0.2 MPa),纳米颗粒在余弦喷嘴内的平均停留时间(0.005 s)比锥柱喷嘴的平均停留时间(0.023 s)更短。相同参数下余弦喷嘴射流抛光后的工件表面粗糙度(
Rq
=0.810 nm,
Ra
=0.651 nm)更低。光耦合纳米颗粒胶体射流抛光中利用余弦喷嘴可获得比锥柱喷嘴更低的表面粗糙度。
In order to achieve ultra-precision polishing of the workpiece surface
a UV-induced nanoparticle colloid jet processing system was established. The hydrodynamic characteristics
polishing process
and ultra-smooth surface morphology of the UV-induced nanoparticle colloid jet processing of two nozzles with different cavity structures were studied. Firstly
conical and cosine opto-hydraulic coupling nozzles were designed according to the requirements of opto-hydraulic coupling. Then
three-phase flow simulation of non-submerged jet was carried out for two kinds of opto-hydraulic coupling nozzles
and the flow track and flow field distribution of nanoparticles were compared and analyzed. Next
light-coupled colloid jet polishing experiments were carried out on the same single crystal silicon workpiece with two kinds of nozzles using titanium dioxide nanoparticle colloid as polishing fluid. Finally
the surface before and after polishing was characterized and compared. The results show that the flow velocity (20.73 m/s) and dynamic pressure (2.5 MPa) obtained by the cosine nozzle are higher than that of the conical nozzle with flow velocity (7.12 m/s) and dynamic pressure (0.2 MPa). The average residence time of nanoparticles in the cosine nozzle (0.00 5 s) is shorter than that of the conical nozzle (0.023 s). Under the same polishing parameters
the surface roughness (Rq 0.810 nm
Ra 0.651 nm) of the workpiece polished by cosine nozzle is lower than that of the conical nozzle. Using the cosine nozzle in UV-induced nanoparticle colloid jet processing can result in lower surface roughness than with the conical nozzle.
LIN B, JIANG X M, CAO Z C, et al ..Novel disc hydrodynamic polishing process and tool for high-efficiency polishing of ultra-smooth surfaces[J]. Micromachines , 2018, 9(7):333.
YIN D, NIU X H, ZHANG K, et al ..Preparation of MgO doped colloidal SiO 2 abrasive and their chemical mechanical polishing performance on c-, r-and a-plane sapphire substrate[J]. Ceramics International , 2018, 44(12):14631-14637.
LEI H, TONG K Y, WANG Z Y.Preparation of Ce-doped colloidal SiO2 composite abrasives and their chemical mechanical polishing behavior on sapphire substrates[J]. Materials Chemistry and Physics , 2016, 172:26-31.
XU Y C, LU J, XU X P, et al ..Study on high efficient sapphire wafer processing by coupling SG-mechanical polishing and GLA-CMP[J]. International Journal of Machine Tools and Manufacture , 2018, 130/131:12-19.
计时鸣, 葛江勤, 谭大鹏, 等.三相磨粒流抛光及其气泡溃灭分布特性[J].光学 精密工程, 2018, 26(2):388-398.
JI SH M, GE J Q, TAN D P, et al ..Three-phase abrasive flow polishing and distribution characteristics of bubble collapse[J]. Opt.Precision Eng ., 2018, 26(2):388-398.(in Chinese)
王星, 徐琴, 张勇, 等.纳米胶体自激脉冲空化射流抛光技术[J].光学 精密工程, 2018, 26(9):2295-2304.
WANG X, XU Q, ZHANG Y, et al ..Nanoparticle colloid self-induced pulsed cavitation jet polishing[J]. Opt.Precision Eng ., 2018, 26(9):2295-2304.(in Chinese)
ZHANG F H, SONG X Z, ZHANG Y, et al ..Figuring of an ultra-smooth surface in nanoparticle colloid jet machining[J]. Journal of Micromechanics and Microengineering , 2009, 19(5):054009.
宋孝宗, 龚俊.紫外-可见光光束在TiO 2 纳米颗粒胶体中的传输[J].强激光与粒子束, 2015, 27(2):58-61.
SONG X Z, GONG J.Properties of ultraviolet-visible beam propagation in TiO 2 nanoparticle colloid[J]. High Power Laser and Particle Beams , 2015, 27(2):58-61.(in Chinese)
宋孝宗, 高贵, 周有欣, 等.TiO 2 纳米颗粒在单晶硅表面的吸附[J].光学 精密工程, 2016, 24(7):1694-1702.
SONG X Z, GAO G, ZHOU Y X, et al ..Adsorption of TiO2 nanoparticles on monocrystalline silicon surface[J]. Opt.Precision Eng ., 2016, 24(7):1694-1702.(in Chinese)
梁钦, 高贵军, 刘邱祖.基于CFD的喷嘴轮廓对喷嘴能量损失影响分析[J].矿山机械, 2014, 42(3):94-98.
LIANG Q, GAO G J, LIU Q Z.Analysis on influence of nozzle profile on nozzle energy loss based on CFD[J]. Mining & Processing Equipment , 2014, 42(3):94-98.(in Chinese)
韩启龙, 马洋.喷嘴结构对高压水射流影响及结构参数优化设计[J].国防科技大学学报, 2016, 38(3):68-74.
HAN Q L, MA Y.Influence of nozzle structure on high pressure water jet and optimization design of nozzle structure parameter[J]. Journal of National University of Defense Technology , 2016, 38(3):68-74.(in Chinese)
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