| 摘要: |
| 采用传统的工艺成形钛合金比较困难，因而探索钛合金板材成形的新工艺和新技术具有十分重要的意义。利 用激光冲击波技术对钛合金板料进行了成形试验，所采用的激光波长为1.064 jim，脉宽约23仙，能童35 J左右，有 效光斑直径为8脉冲的重复率为0,5 Hz.探讨了激光连续冲击条件下板料成形深度、成形轮廓与激光参数、约束边界条件和冲击路径之间的变化规律。研究结果表明，激光冲击路径不同，产生的最大变形量不同;受冲击区域 表面光洁度有明显提高;随激光冲击次数的增加,板料塑性变形越大,成形深度越深。 |
| 关键词: 纯钛板料 激光冲压 小曲率 塑性成形 |
| DOI： |
| 分类号: |
| 基金项目:国家自然科学基金项目(2002AA421120) |
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| Study on little curvature forming of titanium sheet under laser shock |
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YU Jia-yang
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(Department of M^chxmkal Engineering，CcIUge 263061, Shmdong ProvinceTCfUna)
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| Abstract: |
| Ab a result of the difficultly of titanium sheet forming by conventional technologyt it ie important to research the new technology of forming titanium sheet, A neodymium glass laser was used with pulse energy of 35 J, pulse width of 23 nst laser wavelength of 1. 064 , effective spot diameter of 8 mmt pulse repetitious rate of 0. 5 Hi. The effects of laser parame- |
| Key words: pure tit&nium sheet Laser shock little curvature plastic forming |
