13th International Conference on Fracture June 16–21, 2013, Beijing, China -3- Figure 2. Morphology of the gas atomized powder used for SLM manufacturing in the current work. Figure 3. Least repetitive unit in diamond cell as used in the current work, here aligned in the 90° direction. Table 1. Nominal composition of Hastelloy X as per standard for hot rolled material. Ni Cr Fe Mo Co Si Mn W Bal. 22 18 9 1.5 <1 <1 0.6 100µm 20µm Figure 4. SLM bulk material in the as-manufactured condition. Top left (a) view parallel to build direction. Top right (b), view perpendicular to build direction. Bottom (c and d), close-up of weld-like structure after manufacturing. Build direction indicated by arrows.
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