**4. Conclusions**

The densification behavior, phase composition, microstructure, tensile properties, and microhardness of 90W-7Ni-3Fe samples fabricated by SLM were investigated in this work. The main conclusions can be drawn as follows:


**Author Contributions:** Conceptualization, J.L.; Data curation, Z.W., S.-G.C. and Z.S.; Investigation, B.Z. and Y.W.; Methodology, J.L., B.Z., and Y.W.; Writing—original draft, J.L.; Writing—review & editing, Z.W. and S.-G.C.

**Funding:** This research was funded by Science Challenge Project (TZ2018006-0301-01), Guangdong Scientific and Technological Project (2017B090911015) and Dongguan University of Technology High-level Talents (Innovation Team) Research Project (KCYCXPT2016003).

**Conflicts of Interest:** The authors declare no conflict of interest.
