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An overview of Metallic Additive Manufacturing

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Additive Manufacturing (AM), sometimes referred to as three-dimensional (3D) printing, encompasses a variety of processes wherein a 3D object is produced from a digital model by adding successive layers of material to create the object.

 

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An overview of Metallic Additive Manufacturing: technologies, barriers and future trends

Ruihua Zhang1, 3, Chao Lu2, Yan Yin2, 3, Pengyu Liu2, Zilin Li3, Mengzhi Xiao2, Weijun Cai2, Yuebo Qu3

1. China Iron & Steel Research Institute Group, Beijing 100081, China; 2. State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals, Lanzhou University of Technology, Lanzhou 730050,China; 3. Hardware Knife Cut Industrial Technology Research Institute Yangjiang, Yangjiang 529533, China

 

   Abstract / 摘 要    

Additive Manufacturing (AM), sometimes referred to as three-dimensional (3D) printing, encompasses a variety of processes wherein a 3D object is produced from a digital model by adding successive layers of material to create the object. Additive Manufacturing of functional metal components received more and more attention in recent years because of the ability to rapidly produce parts directly from a digital data and has been widely applied to many areas, such as aerospace, automotive, medical, mold, jewelry. The principle of metallic additive manufacturing is similar to the traditional sense of the surfacing technology. The important difference is that the droplet size of AM is much smaller than that of surfacing technology. Metallic additive manufacturing is also called micro-welding technology. In this paper, the existing metallic additive manufacturing technologies are classified by the types of different delivery methods of the processing materials. The schematics of different metallic additive manufacturing technology are detailed. At the same time, the obstacles and challenges of the development and extensive application of existing metallic additive manufacturing technology are summarized. In addition, the future development trends of the metallic AM are summarized to get a global overview through the engineering and manufacturing process.

   Key words / 关键词    

Metallic Additive Manufacturing, Technical classification, Future trends

 

 

   About the author / 作者简介    

Ruihua Zhang, professor, Ph.D.tutor, engaged in welding equipment,welding physics, active welding, laser processing. In 1994 and 2005, he graduated from the Gansu University of Technology and received Ph.D. from Lanzhou University of Technology. During the 2005 and 2006 periods, He was a visiting scholar at the institute of Connection Science at Osaka University in Japan. In March 2009, with Academician named Pan Jiluan, Ruihua Zhang participate postdoctoral research in Tsinghua University. In 2012, he transferred to the Group Co., Ltd. that called China Iron Steel Research Technology. By the end of 2014, he is department head in Yangjiang Hardware Scissors Industrial Technology Research Institute.

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