Sarah Pfeffer Email & Phone Number

Pittsburgh, Pa, Us

- Developed steel solidification prediction model and user interface using machine learning and Dash (Python) for grade development.- Supports enameling steel products- Supports annealing facilities throughout the company- Uses thermal model of batch annealing cycles- Conducts surface imperfection and cleanliness analysis of sheet steel products- Performs buried thermocouple batch annealing trials for new grade development and calibration of thermal production model- Performs data analysis on various processes using Python and Minitab

Pittsburgh, Pa, Us

Quality Engineer for Annealing Units (Continuous Annealing Line, Open Coil Annealing, High Performance Hydrogen Box Annealing)-Evaluated Continuous Annealing Line cleaner solution concentration and tape test data to ensure sufficient strip cleanliness and stabilize concentration levels-Worked in a cross functional team to create and implement a plan to evaluate a cost savings plan at the Continuous Annealing Line.-Analyzed data and worked with operations and maintenance managers to reduce straw oxide occurrences in Open Coil Annealing-Measured the surface roughness of the OCA tension drum weekly to study the wear behavior and reduce stagger

Pittsburgh, Pa, Us

-Performed continuous annealing line quality tasks including updating quality documents and procedures, investigating quality problems, and studying process parameters to maintain product quality.-Developed and implemented a system which factors in camber on the extremities of hot bands to the pickle line instructed crops in order to improve coil quality and yield-Worked with Business Planning to monitor progress and ensure completion of orders during the new Oracle ERP system transition-Designed informational displays for Irvin’s Family Day to explain and describe each of the plant’s processes to visitors

Columbus, Indiana, Us

-Performed failure analysis on pump heads, fuel injectors, and other fuel system components by identifying root causes including cavitation, erosion, abrasive wear, rough machining, and other failure modes-Applied materials knowledge to support engineering, manufacturing, quality, and other internal customers-Studied the effects of bainite on a tempered martensitic microstructure and identified and quantified bainite in fuel injector bodies-Created visual guide for inspection of needle seals for manufacturing line to identify unacceptable parts -Investigated variability in XRD master pump head data

Columbus, Indiana, Us

-Studied the effects of oil viscosities on bearing material corrosion using SEM, EDS, microscopy, and oil analysis-Conducted metallurgical failure analyses of various engine parts including a gear and piston

Master Of Science, Materials Science And Engineering

Bs, Materials Science And Engineering

Certificate, Software Development

Full Stack Web Development Certification, Computer Software Engineering