Essay --

BRASS MASTERS, INC. â€Å"Serving your brass needs since 1950† February 26, 2014 Ms. Sabrina Nilufar Talbot Laboratories, Inc. 104 South Wright Street Urbana, IL 61801-2958 Dear Ms. Nilufar, I am pleased to report that the testing of your brass wedges is complete. You will find included a summary of our findings along with charts and micrographs of our results. A full laboratory report is available upon request. You are free to use these results as needed and to publish them as documentation for your finished brass products. Four brass wedges were tested. Two were cold rolled to a thickness of 5.0 mm and two were cold rolled to a thickness of 2.5 mm. One wedge of each thickness was then annealed for 1 hour at 350  °C. Because the wedges varied in thickness across the length, multiple cold work values were able to be recorded. Hardness and thickness measurements were taken before and after the cold rolling and after the annealing as shown in Figure 1. Generally, as cold work increased, hardness increased. As the wedges were rolled, the width slightly increased and the length significantly i...