msepostdoc-list Seminar Notice for Duo Huang's Preliminary Exam: Seminar, Friday, Dec. 8, at 1:30, in HAMP 1113; Exam, same day, at 3:00, in ARMS 3001. "Fe-Mn Alloys as Biodegradable Metallic Materials"

[Son, Rosemary E]

Please consider attending the following:

MATERIALS ENGINEERING
SEMINAR


"Fe-Mn Alloys as Biodegradable Metallic Materials"


By
Duo Huang
Purdue MSE Ph.D. Preliminary Exam

Advisors: Professors David Johnson and Professor Matthew J. M. Krane



ABSTRACT


Biodegradable metallic materials are considered promising candidates to replace traditional permanent implants. Among all the metallic materials studied, Fe-Mn alloys show their potential to be a new type of biodegradable alloys. In this study, the design strategy of Fe-Mn alloys and the factors affecting Fe-Mn alloys' biodegradation behavior as well as mechanical properties are discussed.  For alloy designing, adding less noble elements to form a solid solution and adding nobler elements to form intermetallic phases can both accelerate corrosion rates. The mechanical properties of Fe-Mn alloys are also discussed in the study. The effect of Mn concentration and intermetallic phases can modify alloys' mechanical properties. Considering all the factors discussed, a type of high manganese steel, Hadfield steel with 1.0 - 1.4 wt.% C and 10 - 14 wt.% Mn is proposed. Its unique properties make it possible to improve corrosion rate and mechanical properties at the meantime.





Date: Friday, December 8, 2017

Time: 1:30 P.M.
Place: HAMP 1113

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