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