msepostdoc-list Seminar Reminder for Greg Scofield's Preliminary Exam. Today, Wednesday, November 28, at 2:00, in HAMP 1252

[Son, Rosemary E]

Please consider attending the following:


MATERIALS ENGINEERING
SEMINAR



"Investigation into the Role of Oxidation on Static Fatigue Behavior of Siliconized Silicon Carbide"

By


Gregory C. Scofield
Purdue MSE Ph.D. Preliminary Exam

Advisors: Professor Kenneth Sandhage and Professor Michael Sangid

ABSTRACT


Silicon carbide based ceramics matrix composites (CMCs) seek to replace nickel superalloys in gas turbine components due to their comparatively low density and high strength at elevated temperatures, however, the introduction of these new composite materials can only be achieved after failure mechanisms are properly understood.  Harsh combustion environments are known to decrease fatigue life of these composite materials, though the effect of oxidation on mechanical properties is still not fully understood, leading to unpredictable failure of components.  A review of the current literature relating to static fatigue of siliconized silicon carbide is presented with emphasis given to oxidation mechanisms within the composite system.  Gaps within literature are addressed and a plan for continued research into the effects of oxidation on static fatigue behavior in siliconized silicon carbide is proposed.







Date: Wednesday, November 28, 2018

Time: 2:00 P.M.
Place: HAMP 1252


School of Materials Engineering
Purdue University
Neil Armstrong Hall of Engineering
701 West Stadium Ave. Room 2200
West Lafayette, IN 47907
765-494-4105

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