Mechanical testing of a selective laser melted superalloy

摘要：

　　Selective laser melting is an additive manufacturing technology where metal powder is melted by a laser source layer-wise, forming a solid, dense metallic component. With the selective laser meting process, near net shape components can be manufactured directly from a 3D-model. The model is sliced into thin layers and a powder is spread onto a build platform. In the next step, the powder is fused by a laser as dictated by the model. The laser energy is intense enough to permit full melting (welding) of the particles to form solid metal. The process is repeated layer by layer until the part is complete. A number of materials are available, including steel, aluminium, titanium and, in recent time, also superalloys. The material investigated in the current project is a nickel base superalloy composition-wise equivalent to Hastelloy X, a solution strengthened superalloy typically used in large welded components exposed to high temperatures in oxidizing as well as reducing environments.

关键词： Additive manufacturing Hastelloy X fatigue creep anisotropy

作者: H(a)kan Brodin Olov Andersson Sten Johansson

作者单位: Siemens Industrial Turbomachinery AB,Finsp(a)ng,Sweden;Link(o)ping University,Department of Manageme Siemens Industrial Turbomachinery AB,Finsp(a)ng,Sweden Link(o)ping University,Department of Management and Engineering,Division of Engineering Materials,58

会议类型: 国际会议

会议名称: 第13届国际断裂大会(ICF2013)

会议地点: 北京

会议语种:英文

页码: 1-11

在线出版日期: 2013-06-16（万方平台首次上网日期，不代表论文的发表时间）