Laser additive manufactured WC reinforced Fe-based composites with gradient reinforcement/matrix interface and enhanced performance
Source abstract
Abstract
Abstract Laser additive manufacturing has been proved to be a new technology for production of high-performance metal matrix composites with tailored interfacial structures. The WC particle reinforced Fe-based composites were manufactured by selective laser melting to investigate the effects of laser processing parameters on densification , microstructure and mechanical properties. The densification level increased with increasing laser power and decreasing scanning speed. The novel gradient interface formed around WC particles due to the in-situ reaction between WC particle and Fe-based matrix. After the optimization of laser processing conditions, the micro-hardness enhanced to 511.6 HV 0.2 and a low friction coefficient of 0.30 was achieved with a low wear rate of 3.1 × 10 −5 mm3 /(Nm). The improvement in wear performance attributed to the synergistic effect of gradient interface, enhanced densification and novel microstructure.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Additive Manufacturing Materials and Processes · High Entropy Alloys Studies · Advanced materials and composites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (37)
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