msepostdoc-list Seminar Notice for Jung-Ting Tsai's Preliminary Exam, Monday, August 12, at 8:30 a.m., in ARMS 1028. Review same day in ARMS 2237, at 9:30 a.m. Exam same day in ARMS 2237, at 10:00 a.m.

[Son, Rosemary E]

Please consider attending the following:

MATERIALS ENGINEERING
SEMINAR



"Direct Printing Conductive Layers onto Carbon Fiber Reinforced Polymers Substrate by Cold Spray Methodology"
By
Jung-Ting Tsai
Purdue MSE Preliminary Exam

Advisors: Professor Martin B. Jun and Professor David F. Bahr

ABSTRACT


Carbon fiber reinforced plastic (CFRP) have the advantage of lightweight and high specific strength. The low electrical conductivity of the CFRP can be fatal to lighting strike or electric current flow. Recent developments in cold spraying technology allowed to increase the electrical conductivity of CFRP. Unlike the conventional methods of attaching metal foils on CFRP, the direct printing in cold spraying (CS) method allows for a more flexible and maneuverable deposition of metallic patterns onto the surface of CFRP substrate. This research will discuss the cold spray process, the important factors determining cold spray efficiency and the advantages of cold spraying on CFRP. Literature sources reported the successful deposition of conductive particles on polymer materials. Currently, the explanation of the metal particle bonding to the CFRP is based upon the adiabatic shear instability (ASI) theory, which is widely accepted to explain the metal on metal bonding mechanism. The parameters of cold spraying process entail a specific microstructure that influences the mechanical properties of a sprayed CFRP. The implications of the control parameters of the CS process on the electrical conductivity and mechanical properties of a substrate CFRP should be further studied.


Date: Monday, August 12, 2019

Time: 8:30 A.M.
Place: ARMS 1028
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