An effective way to solve the abnormal oxidation behavior of Fe in Ti(C,N)-304ss cermet
Source abstract
Abstract
Abstract WC and TiB2 were added into Ti(C,N)-304ss cermet to relieve an abnormal oxidation behavior of Fe in this cermet. During high-temperature oxidation (650 °C), the volume swelling of WO3 eliminated the gap led by the volume shrinkage of TiO2. Liquid B2O3 covered the oxidation surface or filled in cracks, forming a dense oxidation layer. As a result, the abnormal oxidation behavior was relieved. The oxidation mechanism was investigated using FESEM, XRD, LSCM, and AFM. Fe atoms outward diffused to the surface along with the TiO2/304ss boundary forming ring-structure oxide and across the TiO2 generating aggregated oxide on TiO2 surface.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced materials and composites · Aluminum Alloys Composites Properties · Advanced ceramic materials synthesis
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