Mohammed Alzayer Edward Bruns Brady Horner Tyler Schlueter Mat E 413 December 16 th, 2014

Outline Problem Statement Materion Project Objectives Plan Methods Project Outline Design of Experiment Materials Instrumentation Costs Time Money

Problem Statement: Materion Founded: 1931 (83 years ago) Former Name: Brush Engineered Materials (-2011) Specialty: High performance metals Mostly known for Be and Be alloys Industries: Electronics, defense, aerospace Figure 1: State of Ohio flag [1] Figure 2: Mobile phone [2]

Problem Statement: Project Material: Cu-15Ni-8Sn (wt%) (ToughMet) Best for: High strength, wear resistance Used in:  Aerospace components  Bushings  Oil and gas equipment components  Components prefer non-Be material Figure 3: ToughMet bearings [3] Figure 4: Use in aerospace [2]

Problem Statement: Project Figure 5: Phase diagram and TTT curve for Cu-15%Ni-Sn alloy [4]

Problem Statement: Objectives Spring 2014:  Homogenizing temperature (T) and time (t)  Effect on microstructure and hardness Now:  Cold work, as well as:  Microstructure  Hardness Figure 6: Former group interesting finding [5]

Plan: Methods Get in depth w/:  Literature  S14 work To achieve objectives:  Group  Weekly updates  DOE based on S14  Notebook Figure 7: Literature work [4]

Plan: Project Outline Receive & Cut samples Solutionize  Varying times & temperatures Quench Cold Roll  Varying amounts Age Hardness Testing Optical Microscopy

Plan: DOE Solutionizing time:  12 hrs  24 hrs  48 hrs Solutionizing Temp:  816°C  860°C Quenchant:  Severe brine solution Figure 8: Solutionizing, previous study [5] Figure 9: Quenching, previous study [5]

Plan: DOE Reduction in thickness (Rolling):  25%  50%  75%  90% Aging:  393°C for 16 hours Figure 10: Aging, previous study [5]

Plan: Materials ToughMet:  1/2” bar  1/8” sheet Brine:  3 L water  167 mL Dawn dish soap  mL Jet-Dry surfactant  398 g salt Nitol Etchant Figure 11: Brine solution recipe

Plan: Instrumentation Cold working:  Rolling mill (Ames Lab) Cutting:  Abrasive saw Solutionizing and aging:  Furnaces Microscopy:  Polishing wheels  Mounting press  Optical microscope Hardness:  Rockwell Hardness tester Figure 12: Ames Lab Figure 13: Optical microscope

Costs: Time Pre-Spring Break: 30-Mar – 27-Apr: Analyze results, final report

Costs: Money OperationCostUnitQuantity/ TimeSum Metallography Diamond saw cuts $5per sample48$240 Mounting, polishing* $5per sample48$240 Etchant ( nitol ) $30250 mL1$30 Microscopy Optical microscopy $10hr5$50 Furnaces Low temp ( 900 °C )** $10per run96 hrs$172 Mechanical Hardness tests $1per sample64$64 Rolling ( cold work ) $206per hr2 hrs$412 Misc Quench ( salt ) $1per lb1$1 Total $1,209 * includes entire mount, polish, etch ** extra charge after 10 hr ($2 per hr) Allotted budget: $5K ($1K goal)

Conclusions Material: ToughMet (Cu-15Ni-8Sn) Spring 2014: Solutionizing T, t on hardness, microstructure Spring 2015: Cold working on solutionizing T, t Acknowledgments: Faculty Mentor: Dr. Chumbley, Tim Prost Materion Contact: Dr. Grensing, Dr. Trybus

Questions

Works Cited [1] Eisenmann, Josh."The flag of the U.S. state of Ohio." Wikimedia Commons. Web. 11 Dec [2] "MATERION Corp" Getfilings.com. Web. 11 Dec [3] "ToughMet alloy outperforms other bushing & bearing materials." MATERION Corp. Web. 11 Dec [4] Zhao, J.C. "Spinodal Decomposition.....In a Cu-15Ni-8Sn Alloy." Acta Metallurgica 1998: Print. [5] Ding, Zhenpei, Lee, Victor, Meiszberg, Andrew, Schlueter, Tyler. "Effect of homogenization on Cu-Ni-Sn." ISU. Web. 11 Dec