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工艺参数对激光辅助预应力成形效率的影响
Alternative TitleEffects of Process Parameters on Efficiency of Laser-Assisted Pre-Stress Forming
彭青; 陈光南; 王明星; 吴臣武
Source Publication中国激光
2011
Volume38Issue:10Pages:1003006-1-1003006-5
ISSN0258-7025
Abstract针对激光辅助预应力成形问题,建立了相应的有限元模型,并进行了实验验证。通过无量纲参数,研究了预应力水平和激光工艺参数对激光辅助预应力成形效率的影响规律。结果表明,在弹性范围内,预应力越大,成形效率越高;在扫描速度和功率密度给定的情况下,成形效率随光斑半径增加而增加;在扫描速度和光斑半径给定的情况下,成形效率随功率增加而增加;在光斑半径、输入能量给定的情况下,成形效率随扫描速度增加而增加。
Other AbstractA finite element model(FEM) based on numerical model is established to study the process of laser-assisted pre-stress forming and further verified with experimental data.Based on the verified FEM model,the effects of pre-stress and laser parameters on forming efficiency are investigated via a set of dimensionless quantities.A higher pre-stress level results in a higher forming efficiency in the elastic range.A larger beam radius at constant scanning velocity and power density,or a higher power at constant scanning velocity and beam radius,or a faster scanning velocity at constant beam radius and injected energy,results in a higher forming efficiency
Keyword激光技术 辅助成形 预应力 成形效率
Subject Area力学
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Indexed ByEI ; CSCD
Language中文
Funding Organization国家自然基金面上项目(10872199,50901084);中国博士后基金(20090460537)资助课题
CSCD IDCSCD:4338236
DepartmentMAM表面与界面改性
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/45147
Collection先进制造工艺力学实验室
Corresponding Author彭青
Recommended Citation
GB/T 7714
彭青,陈光南,王明星,等. 工艺参数对激光辅助预应力成形效率的影响[J]. 中国激光,2011,38(10):1003006-1-1003006-5.
APA 彭青,陈光南,王明星,&吴臣武.(2011).工艺参数对激光辅助预应力成形效率的影响.中国激光,38(10),1003006-1-1003006-5.
MLA 彭青,et al."工艺参数对激光辅助预应力成形效率的影响".中国激光 38.10(2011):1003006-1-1003006-5.
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