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V3
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Join Date: Nov 2007
Posts: 15

Young Module For 2618A

11/12/2007 3:09 PM

Hi, I have small problem. I cannot find functionality young module E on temperature ( I need from 20degC to 350 degC ) for material aluminum alloy 2618A. I will satisfied with similar chemistry material.

Thank very much for information

Vaclav
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Pathfinder Tags: alluminium alloy
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CSM Engineer
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Join Date: Sep 2007
Location: Reno, NV (USA)
Posts: 608
Good Answers: 66
#1

Re: Young Module For 2618A

11/12/2007 3:37 PM

This site claims to have the information in their database. I believe it's around 74,000 at room temp, but I have never seen the full curve.

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V3
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Join Date: Nov 2007
Posts: 15
#2
In reply to #1

Re: Young Module For 2618A

11/12/2007 4:09 PM

Thank CSM Engineer for info
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nick name
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Join Date: Mar 2007
Location: City of Light
Posts: 3943
Good Answers: 183
#3

Re: Young Module For 2618A

11/14/2007 7:36 AM

I know that for Al-alloys dE/dθ= - (600± 50) ppm/°C.

For a high resistance al the value is about -680 ppm/°C.

The indicated address gives not values in the demo variante. (1ppm = 1E-6)
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nick name
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Location: City of Light
Posts: 3943
Good Answers: 183
#4

Re: Young Module For 2618A

11/14/2007 7:40 AM

I forgot to mention that the 350°C is a very high temperature for al-alloys. Usually over 200-250°C there are creep problems. For temperature so high the value I gave is i think too low and variable strongly from the temperature value.
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V3
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Join Date: Nov 2007
Posts: 15
#5
In reply to #4

Re: Young Module For 2618A

11/14/2007 3:33 PM

To Nick Name

Thank you very much.It looks great. This is material for pistons. I need solve it by FEA but measuring on piston shows above first ring temperature more than 320degC. FEA results give temperature in center of piston temperature around 350degC. Could you say me where I can find more info about this mat. creep properties ? I will be very happy :-))

Thank again

Vaclav
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