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The EBM process is ideal for applications where high strength or high temperatures are required. Medical product manufacturers can benefit from the parts' high flexural strength for bone implants requiring cycle life exceeding 10 million cycles (or movements). Automobile makers can build strong parts for high temperature testing, including under-the-hood applications. Aerospace engineers will be interested in the combination of a high strength yet light weight titanium part. And because the EBM process produces a homogenous solid, parts can be flight-certified.
"The high speed electron beam system is the next generation of additive fabrication technology for rapid manufacturing of titanium parts," says Crump. "The machine creates parts comparable to wrought titanium and better than cast titanium, with a 95 percent powder recovery yield, which is unheard of in our industry."
Two variations of titanium "six four" alloy are available for the EBM S400: Ti6AL4V and Ti6AL4V ELI. Titanium parts created on the system are accurate near-net shape and are HIP heat treatable. The system builds parts up to approximately 8 x 8 x 7 in. (200 x 200 x 180 mm), with a layer thickness range of 0.002 to 0.008 in. (0.05 - 0.2 mm).