Additive Manufacturing of Functional Elements on Sheet Metal
Additive Manufacturing of Functional Elements on Sheet Metal
复制标题
金属板材上功能元件的增材制造
DOI：
10.1016/j.phpro.2016.08.082
复制
发表时间：
2016
期刊：
影响因子：
--
通讯作者：
M. Merklein
中科院分区：
文献类型：
--
作者：
A. Schaub;B. Ahuja;L. Butzhammer;J. Osterziel;M. Schmidt;M. Merklein
激光熔化(LBM)工艺具有设计灵活性高、制造方法自由等优点，与传统制造工艺相比，由于生产率低、不适合大批量生产，其应用往往受到限制。为了克服这些局限性，开发了一种将激光熔化的附加制造工艺与板材成形工艺相结合的混合制造方法。随着对航空航天和医疗行业的兴趣，重点关注的材料是Ti-6Al-4V。尽管Ti-6Al-4V是一种商业化的材料，其在LBM工艺中的应用也得到了广泛的研究，但Ti-6Al-4V的LBM与金属板材的结合仍有待研究。高温梯度和热应力等过程动力学导致了薄板与LBM结构之间相互作用区域的复杂应力状态。在本论文中，混合部件的机械特性将通过剪切测试进行。通过分析LBM过程中不同能量输入下杂化几何结构的内部结构，进一步研究了剪切强度与工艺参数之间的关系。为了将混合制造方法与传统制造方法进行比较，本工作对传统方法减法加工和激光熔化技术进行了评估。将通过确定每种情况的建造时间和原材料消耗来分析这些工艺的机械特性和生产率。本文最后介绍了混合制造方法与替代制造技术相比的特点。
Laser Beam Melting (LBM) process with its advantages of high design flexibility and free form manufacturing methodology is often applied limitedly due to its low productivity and unsuitability for mass production compared to conventional manufacturing processes. In order to overcome these limitations, a hybrid manufacturing methodology is developed combining the additive manufacturing process of laser beam melting with sheet forming processes. With an interest towards aerospace and medical industry, the material in focus is Ti-6Al-4V. Although Ti-6Al-4V is a commercially established material and its application for LBM process has been extensively investigated, the combination of LBM of Ti-6Al-4V with sheet metal still needs to be researched. Process dynamics such as high temperature gradients and thermally induced stresses lead to complex stress states at the interaction zone between the sheet and LBM structure. Within the presented paper mechanical characterization of hybrid parts will be performed by shear testing. The association of shear strength with process parameters is further investigated by analyzing the internal structure of the hybrid geometry at varying energy inputs during the LBM process. In order to compare the hybrid manufacturing methodology with conventional fabrication, the conventional methodologies subtractive machining and state of the art Laser Beam Melting is evaluated within this work. These processes will be analyzed for their mechanical characteristics and productivity by determining the build time and raw material consumption for each case. The paper is concluded by presenting the characteristics of the hybrid manufacturing methodology compared to alternative manufacturing technologies.
DOI：
--
发表时间：
2013
期刊：
影响因子：
--
作者：
A. Gebhardt
通讯作者：
A. Gebhardt
高功率激光束熔化成形金属板上的 Ti6Al4V 以实现混合结构
DOI：
--
发表时间：
2015
期刊：
Photonics West - Lasers and Applications in Science and Engineering
影响因子：
--
作者：
B. Ahuja;Adam Schaub;M. Karg;R. Schmidt;M. Merklein;Michael Schmidt
通讯作者：
Michael Schmidt
影响因子：
5.6
作者：
Matena J;Petersen S;Gieseke M;Kampmann A;Teske M;Beyerbach M;Murua Escobar H;Haferkamp H;Gellrich NC;Nolte I
通讯作者：
Nolte I