[1]邢键,孙晓刚,周琛,等.红外激光烧结瞬态温度场的模拟和测量[J].哈尔滨工程大学学报,2011,(07):965-968.[doi:doi:10.3969/j.issn.1007-7043.2011.07.023]
 XING Jian,SUN Xiaogang,ZHOU Chen,et al.Simulation and testing of the transient temperature field of infrared laser sintering[J].hebgcdxxb,2011,(07):965-968.[doi:doi:10.3969/j.issn.1007-7043.2011.07.023]
点击复制

红外激光烧结瞬态温度场的模拟和测量(/HTML)
分享到:

《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2011年07期
页码:
965-968
栏目:
出版日期:
2011-07-25

文章信息/Info

Title:
Simulation and testing of the transient temperature field of infrared laser sintering
文章编号:
1006-7043(2011)07-0965-04
作者:
邢键孙晓刚周琛黄宗军孙晶华
1. 哈尔滨工程大学理学院,黑龙江哈尔滨150001; 2.哈尔滨工业大学自动化测试与控制工程系,黑龙江哈尔滨150001;3.黑龙江鑫正投资担保有限责任公司,黑龙江哈尔滨150001
Author(s):
XING JianSUN XiaogangZHOU ChenHUANG Zongjun SUN Jinghua
1.College of Sciences, Harbin Engineering University, Harbin 150001, China; 2. Department of Automation Measurement & Control, Harbin Institute of Technology, Harbin 150001, China;3.Heilongjiang Xinzheng Investment Co., Ltd., Harbin 150001,China
关键词:
激光烧结瞬态烧结温度有限元法CCD测温
分类号:
TN249
DOI:
doi:10.3969/j.issn.1007-7043.2011.07.023
文献标志码:
A
摘要:
针对在利用红外激光烧结快速成型的过程中瞬态温度场直接影响成型质量的问题.在充分考虑热物性参数的变化和材料固、液态间的转化的实际情况下,采用有限元方法,利用ANSYS软件对CO2红外激光束与Al2O3覆膜陶瓷粉末的瞬态温度场进行了三维数值模拟.利用高速CCD成像测温系统对瞬态烧结温度进行了测量,实现了烧结瞬态温度场的三维重建.数值模拟和实测结果显示,两者吻合较好.结果表明:Al2O3覆膜陶瓷粉末的烧结温度远小于Al2O3的熔点(1 500℃),当光束折返后多次经过观测点附近时,出现利于成型质量的二次峰值温度,这与实际覆膜陶瓷粉末的烧结机理一致.

参考文献/References:

[1]胥橙庭,沈以赴,顾冬冬,等.选区激光烧结成型温度场的研究进展[J].铸造,2004, 53(7):511-514. XU Chengting, SHEN Yifu, GU Dongdong, et al. Progress in temperature field research into selective laser sintering process [J]. Foundry,2004, 53(7):511-514.
[2]王维夫,孙凤久,王茂才.激光熔覆铜基合金涂层中的液相分离行为[J].哈尔滨工程大学学报,2008,19(7):735-739. WANG Weifu, SUN Fengjiu, WANG Maocai. Liquid phase separation behaviors in Cu-base alloy coatings formed by laser cladding[J]. Journal of Harbin Engineering University, 2008,19(7):735-739.
[3]BAI Peikang, CHENG Jun, LIU Bin, et al. Numerical simulation of temperature field during selective laser sintering of polymer-coated molybdenum powder[J]. Transactions of Nonferrous Metals Society of China, 2006, 16(B02):603-307.
[4]FISCHER P, LOCHER M, ROMANS V, et al. Temperature measurements during selective laser sintering of titanium powder[J]. Int J. Mach Toos Manu, 2004(44):1293-1296.
[5]GAO Yiqing, JIAN Xing, JIAN Zhang, et al. Research on measurement method of selective laser sintering (SLS) transient temperature[J]. Optik-International Journal for Light and Electron Optics,2008,119(13): 618-623.
[6]KOLOSSOV S, BOILLAT E, GLARDON R,et al. 3D FE simulation for temperature evolution in the selective laser sintering process[J]. Int J Mach Toos Manu, 2004(44):117-123.
[7]汪子君, 刘俊岩,戴景民,等.相位法红外无损检测的传热学分析与有限元仿真[J].红外与毫米波学报 ,2008,27(5) :361-364. WANG Zijun, LIU Junyan, DAI Jingmin, et al. Heat transfer analysis and finite element simulation of phase infrared nondestructive testing[J]. Infrared Millim Waves,2008,27(5) :361-364.
[8]赵保军,施法中,冯涛,等.选择性激光烧结聚苯乙烯粉末成形温度场的数值模拟研究[J].激光杂志, 2002, 23(2):66-69. ZHAO Baojun, SHI Fazhong, FENG Tao, et al. Studies on numerical simulations of temperature field in selective laser sintering of polystyrene powders[J]. Laser Journal, 2002, 23(2):66-69.
[9]CHILDS T H C, BERZINS M, RYDER G R, TONTOWI A E. Selective laser sintering of an amorphous polymersimulations and experiments[J]. Proc Inst Mech Eng, 1999.213B:333-349.
[10]WILLIAMS J D,DECKARD C R.Advances in modeling the effects of selected parameters on the SLS process[J]. Rapid Prototyping J,1998, 4: 90-100.
[11]戴景民,孙晓刚,卢小冬,等.多光谱辐射测温理论与应用[M].北京:高等教育出版社,2002:21-22. DAI Jingmin, SUN Xiaogang, LU Xiaodong, et al. Theory and practice of multi-spectral thermometry[M]. Beijing:Higher Education Press, 2002:21-22.

备注/Memo

备注/Memo:
教育部博士点基金资助项目(20070217011)
更新日期/Last Update: 2011-09-08