Date of Last Revision

2023-05-02 19:05:26


Corrosion Engineering - Cooperative Education

Degree Name

Bachelor of Science

Date of Expected Graduation

Spring 2016


The project that was performed was stress corrosion cracking (SSC) of carbon steel in biodiesel, petroleum diesel and a mixture. The project also included the effect of Ultrasonic Nanocrystal Surface Modification (UNSM) on 304 stainless steel. It included the assembly of a slow strain rate (SSR) machine and carrying out testing using the SSR machine. The assembly of the machine will require purchasing and building a stand to house the electrical equipment which includes the computer, actuator control panel and the actuator power supply. The assembly will also include designing and purchasing the connections to connect the actuator to the samples that the testing will be performed on. Once the machine is assembled, there will need to be calibration testing done to ensure that everything is functioning properly. The slow strain rate testing involves pulling a piece of metal apart and the results can be quantified by the time, rate and maximum yield strength. The standard SSR rate will be 1x10-6 which requires a few days of continuous testing to be able to pull the sample to failure. This project allowed for a better understanding of stress corrosion cracking commonly seen in industry. This project is applicable to the fields of oil and gas because the pipelines and other major components are typically made from carbon steel and can experience stress corrosion cracking.

Research Sponsor

Hongbo Cong

First Reader

Scott Lillard

Second Reader

Rajeev Gupta



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