|
|||||
|
|
| 锭坯双喷嘴扫描喷射成形雾化锥沉积轨迹及其耦合研究 | |
| 引用本文： | 徐玉冰,马万太,张豪,张捷.锭坯双喷嘴扫描喷射成形雾化锥沉积轨迹及其耦合研究[J].粉末冶金技术,2009,27(6). |
| 作者姓名： | 徐玉冰 马万太 张豪 张捷 |
| 作者单位： | 1. 南京航空航天大学机电学院,南京,210016 2. 上海交通大学金属基复合材料国家重点实验室,上海,200030 3. 江苏豪然喷射成形合金有限公司,江苏镇江,212001 |
| 摘 要： | 双喷嘴扫描喷射成形是提高生产效率和制备大直径锭坯的主要工艺方式.研究了双喷嘴扫描喷射成形工艺雾化锥扫描沉积轨迹及其耦合产生条件.建立了雾化锥沉积轨迹坐标及扫描沉积区域数学模型,分析了工艺参数对沉积轨迹的影响规律,从理论上推导了沉积轨迹耦合条件.对沉积轨迹模型和耦合特性进行了图形仿真.研究表明:沉积轨迹呈"花瓣"形状,由喷嘴偏心距、初始倾斜角、扫描范围角、喷射高度、扫描频率、沉积盘旋转速度确定.通过喷射成形试验对建立的理论模型和研究结论进行了验证,表明了其正确性. |
| 关 键 词： | 喷射成形 双扫描喷嘴 沉积轨迹 耦合 |
Research on deposition track and its coupling in spray forming billet with two scanning nozzles |
|
| Xu Yubing,Ma Wantai,Zhang Hao,Zhang Jie.Research on deposition track and its coupling in spray forming billet with two scanning nozzles[J].Powder Metallurgy Technology,2009,27(6). | |
| Authors: | Xu Yubing Ma Wantai Zhang Hao Zhang Jie |
| Affiliation: | Xu Yubing1),Ma Wantai1),Zhang Hao2),Zhang Jie3)1)(College of Mechanical and Electrical Engineering,Nanjing University of Astronautics & Aeronautics,Nanjing 210016,China) 2)(State Key Laboratory of Metal Matrix Composites,Shanghai Jiaotong University,Shanghai 200030,China) 3)(HaoRan Spray Forming Alloy Co.,Ltd,Zhenjiang Jiangsu 212001,China) |
| Abstract: | In spray forming,two scanning nozzles may be used simultaneously to increase the throughput and to prepare large size billets.The scanning deposition track of atomizing cone and its coupling conditions were studied.The mathematical models of scanning deposition trajectory coordinates and scanning deposition region were established.The effects of parameters on scanning deposition track were analyzed and the coupling conditions were deduced with theory.Based on the theoretic models,a graphic program was devel... |
| Keywords: | spray forming two scanning nozzles deposition track coupling |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |