Mohammed AlzayerEdward BrunsBrady Horner

Tyler Schlueter

Mat E 413December 16th, 2014

Outline • Problem Statement

MaterionProjectObjectives

• PlanMethodsProject OutlineDesign of ExperimentMaterialsInstrumentation

• CostsTimeMoney

Problem Statement: Materion• Founded:

1931 (83 years ago)

• Former Name:Brush Engineered Materials (-2011)

• Specialty:High performance metalsMostly 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 E-mail 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 41.68 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

Operation Cost Unit Quantity/ Time SumMetallography

Diamond saw cuts $5 per sample 48 $240 Mounting, polishing* $5 per sample 48 $240 Etchant (nitol) $30 250 mL 1 $30

Microscopy Optical microscopy $10 hr 5 $50

FurnacesLow temp (900 °C)** $10 per run 96 hrs $172

Mechanical Hardness tests $1 per sample 64 $64 Rolling (cold work) $206 per hr 2 hrs $412

MiscQuench (salt) $1 per lb 1 $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 ProstMaterion 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. 2014.[2] "MATERION Corp" Getfilings.com. Web. 11 Dec. 2014.[3] "ToughMet alloy outperforms other bushing & bearing materials." MATERION Corp. Web. 11 Dec. 2014.[4] Zhao, J.C. "Spinodal Decomposition.....In a Cu-15Ni-8Sn Alloy." Acta Metallurgica 1998: 4203-4218. Print.[5] Ding, Zhenpei, Lee, Victor, Meiszberg, Andrew, Schlueter, Tyler. "Effect of homogenization on Cu-Ni-Sn." ISU. Web. 11 Dec. 2014.