|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Characterization of Minerals, Metals, and Materials
||Application of AFM in Morphology Determination of Powder Material
||Jian Wu, Ping Long, Yaochun Yao
|On-Site Speaker (Planned)
Atomic force microscope (AFM) is widely used for determining of surface performance of materials with smoother surface. In this research, atomic force microscope was used in morphology determination of powder material. Samples were dispersed in aqueous system by ultrasound wave and prepared on mica sheet. Multiple mappings of different powder samples, such as ferrous oxalate, lithium carbonate, barium carbonate, boron powder, ferric oxide and zinc oxide, were investigated and analyzed in detail. Results showed as follow: ferrous oxalate sintered in different processes and conditions presented different morphology characteristics both in shape and size. Ferrous oxalate obtained special process presented two-dimension lamella structure and self-assembly phenomenon. The shape and size of lithium carbonate particles were uniform. Defects of mappings on boron powder, ferric oxide and zinc oxide reflected problems of the preparation process before scanning. Determination experiences of powder material in AFM technology could be obtained.
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