new developments in allvar alloys · 2018. 2. 28. · material development alloy 16 alloy 16....
TRANSCRIPT
![Page 1: New Developments in Allvar Alloys · 2018. 2. 28. · Material Development Alloy 16 Alloy 16. Mechanical Properties Invar ... Ti64 Alloy 16. 500 um 500 um Alloy 16 Ti64 500 um Alloy](https://reader034.vdocuments.site/reader034/viewer/2022052019/6032900e7993c142582cf3b4/html5/thumbnails/1.jpg)
Presenter: James A. Monroe
ALLVAR: Jay Zgarba, Jeremy McAllister
Texas A&M University: Ibrahim Karaman, Xavier Huerta
New Developments in Allvar Alloys
![Page 2: New Developments in Allvar Alloys · 2018. 2. 28. · Material Development Alloy 16 Alloy 16. Mechanical Properties Invar ... Ti64 Alloy 16. 500 um 500 um Alloy 16 Ti64 500 um Alloy](https://reader034.vdocuments.site/reader034/viewer/2022052019/6032900e7993c142582cf3b4/html5/thumbnails/2.jpg)
Traditional
Alloys
Technical
Ceramics
CuW
Thermal Conductivity, λ [Wm-1K-1]
Th
erm
al E
xp
ansio
n, |α
| [1
0-6
K-1
]
0.1
1
10
100
1000
0.01 0.1 1 10 100 1000
Composites and
Silicate Glasses
Natural
Materials
Polymer
Foams
Polymers
1
10
100
Expands with Heat
Contracts with Heat0.1
Invar
Traditional
Alloys
Technical
Ceramics
CuW
Thermal Conductivity, λ [Wm-1K-1]
Th
erm
al E
xp
ansio
n, |α
| [1
0-6
K-1
]
0.1
1
10
100
1000
0.01 0.1 1 10 100 1000
Composites and
Silicate Glasses
Natural
Materials
Polymer
Foams
Polymers
1
10
100
Expands with Heat
Contracts with Heat0.1
Invar
ALLVAR
Alloys
Introduction
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Potential Application Areas
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Example Athermal Problem
Single Stabilizing
Ring
Thermal Stabilizing
Rings
Fo
cu
s S
hift
Temperature
Thermal Focus Shift
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Alloy 16
![Page 6: New Developments in Allvar Alloys · 2018. 2. 28. · Material Development Alloy 16 Alloy 16. Mechanical Properties Invar ... Ti64 Alloy 16. 500 um 500 um Alloy 16 Ti64 500 um Alloy](https://reader034.vdocuments.site/reader034/viewer/2022052019/6032900e7993c142582cf3b4/html5/thumbnails/6.jpg)
Material Development
Alloy 16
Alloy 16
![Page 7: New Developments in Allvar Alloys · 2018. 2. 28. · Material Development Alloy 16 Alloy 16. Mechanical Properties Invar ... Ti64 Alloy 16. 500 um 500 um Alloy 16 Ti64 500 um Alloy](https://reader034.vdocuments.site/reader034/viewer/2022052019/6032900e7993c142582cf3b4/html5/thumbnails/7.jpg)
Mechanical Properties
Invar
σµy = 70 MPa
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Other Metal ALLVAR
LOther LALLVAR
LTotal
𝐿𝐴𝑉𝑜
𝐿𝑡𝑜𝑡𝑜 =
𝛼𝑡𝑜𝑡 − 𝛼𝑂𝑡ℎ𝑒𝑟𝛼𝐴𝑉 − 𝛼𝑂𝑡ℎ𝑒𝑟
𝛼𝑡𝑜𝑡 =𝐿𝐴𝑉𝑜
𝐿𝑡𝑜𝑡𝑜 𝛼𝐴𝑉 − 𝛼𝑂𝑡ℎ𝑒𝑟 + 𝐿𝑡𝑜𝑡
𝑜 𝛼𝑂𝑡ℎ𝑒𝑟
A New Design Paradigm
Ti64 Alloy16
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500 um 500 um
Alloy16
Ti64500 um
Alloy16
Ti64
Welding
Ti64Alloy
16Ti64
Alloy16
Seam Bevel
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Welding
~𝟐𝟓%
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Other Component Geometries
R
ID OD ID OD
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Conclusions
Other Metal ALLVAR
LOther LALLVAR
LTotal
![Page 13: New Developments in Allvar Alloys · 2018. 2. 28. · Material Development Alloy 16 Alloy 16. Mechanical Properties Invar ... Ti64 Alloy 16. 500 um 500 um Alloy 16 Ti64 500 um Alloy](https://reader034.vdocuments.site/reader034/viewer/2022052019/6032900e7993c142582cf3b4/html5/thumbnails/13.jpg)
Presenter: James A. Monroe
ALLVAR: Jay Zgarba, Jeremy McAllister
Texas A&M University: Ibrahim Karaman, Xavier Huerta
New Developments in Allvar Alloys