Title page for ETD etd-110899-095334

Type of Document Master's Thesis
Author Steward, Scott D
URN etd-110899-095334
Title The Effect of Salt Splash on Nylon 6,6
Degree Master of Science
Department Materials Science and Engineering
Advisory Committee
Advisor Name Title
Kander, Ronald G. Committee Chair
Loos, Alfred C. Committee Member
Love, Brian J. Committee Member
  • Moisture Absorption
  • Nylon
  • Salt Exposure
Date of Defense 1999-10-14
Availability unrestricted
Abstract: One of the most common environmental exposures that nylon undergoes, when used for automotive applications, is that of salt splash, which commonly occurs during winter driving. This study looks at the effect of various salts (NaCl, KCl, CaCl2) on the thermal and mechanical properties of nylon when exposed to one and four molar aqueous salt solutions. It was found that the diffusion of salt solutions into nylon 6,6 occurred in a pseudo-Fickian manner. Also, it was found that the presence of salt had an effect on the rate of decrease of yield stress with increasing exposure time. The presence of residual salt was found to accelerated deterioration of nylon 6,6, possibly via hydrolysis. In addition, it was found that residual salt was left after water was removed from the system and that this salt was removable.
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