4 g/cm3, with almost no fluidity. The FESEM graphic and XRD sample in the APM raw material are revealed in Figure 2. It can be found from Determine 2a that the APM precursor powders Have got a white flaky structure with particle dimensions ranging from 10 µm to 50 µm. https://www.facebook.com/NewTechFind/posts/pfbid0QV1fcKvgjwRuXKymvYwuEL9C2ScC7k8E2kFNB8n6czVDVotNbq8x8bw12nynaga6l