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Hydrogen gas/Pressurized storage: Difference between revisions
→Aluminum alloy 6061-T6
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==How much | ==How much material for the container: Estimating the ''absolute bare minimum'' required== | ||
Using physics, there is a general formula to estimate the theoretical minimum material-to-gas ratio, for ''any material'' containing ''any gas'' at high pressure. | |||
a = 1.5 R T D / (S M) | a = 1.5 R T D / (S M) | ||
| Line 96: | Line 96: | ||
|7.80 g/cc | |7.80 g/cc | ||
|Density (weight per volume) of 10.9 alloy steel | |Density (weight per volume) of 10.9 alloy steel | ||
|[https://matweb.com/search/datasheet.aspx?matguid=e11dcacd0b2c4cdeae2e2c1b5b0816a1&ckck=1 Ovako ISO 898 grade 10.9 34CrNiMo6 (6499) Steel, +QT] | |[https://matweb.com/search/datasheet.aspx?matguid{{=}}e11dcacd0b2c4cdeae2e2c1b5b0816a1&ckck{{=}}1 Ovako ISO 898 grade 10.9 34CrNiMo6 (6499) Steel, +QT] | ||
}} | }} | ||
{{dp | {{dp | ||
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Stainless steel contains more than just iron & carbon. It also contains nickel & chromium, which are scarcer resources. {{pn|Need to do an analysis regarding mineral reserves.}} | Stainless steel contains more than just iron & carbon. It also contains nickel & chromium, which are scarcer resources. {{pn|Need to do an analysis regarding mineral reserves.}} | ||
===Aluminum=== | |||
{{dp | |||
|aluminum.density | |||
|2.7 g/cc | |||
|Density (weight per volume) of aluminum | |||
|[http://hyperphysics.phy-astr.gsu.edu/hbase/Tables/density.html Densities of common substances - HyperPhysics] | |||
}} | |||
{{dp | |||
|aluminum.yield_strength | |||
|95 N/mm^2 | |||
|Tensile yield strength of aluminum | |||
|[http://hyperphysics.phy-astr.gsu.edu/hbase/permot3.html Young's Modulus - HyperPhysics] | |||
}} | |||
{{calc | |||
|1.5 R T aluminum.density / (aluminum.yield_strength M) | |||
||||^ Material-to-gas ratio | |||
}} | |||
===Aluminum alloy 6061-T6=== | |||
{{dp | |||
|aluminum_6061_T6.density | |||
|2.7 g/cc | |||
|Density (weight per volume) of aluminum alloy 6061-T6 | |||
|[https://asm.matweb.com/search/specificmaterial.asp?bassnum{{=}}ma6061t6 ASM Material Data Sheet] | |||
}} | |||
{{dp | |||
|aluminum_6061_T6.yield_strength | |||
|276 N/mm^2 | |||
|Tensile yield strength of aluminum alloy 6061-T6 | |||
|[https://asm.matweb.com/search/specificmaterial.asp?bassnum{{=}}ma6061t6 ASM Material Data Sheet] | |||
}} | |||
{{calc | |||
|1.5 R T aluminum_6061_T6.density / (aluminum_6061_T6.yield_strength M) | |||
||||^ Material-to-gas ratio | |||
}} | |||
This alloy is quite low in any metals that might be scarce. [https://asm.matweb.com/search/specificmaterial.asp?bassnum=ma6061t6 Alloy composition]: | |||
{|class=wikitable | |||
!Element | |||
!Percent by weight | |||
|- | |||
|Al | |||
|95.8 - 98.6 | |||
|- | |||
|Cr | |||
|0.04 - 0.35 | |||
|- | |||
|Cu | |||
|0.15 - 0.4 | |||
|- | |||
|Fe | |||
|Max 0.7 | |||
|- | |||
|Mg | |||
|0.8 - 1.2 | |||
|- | |||
|Mn | |||
|Max 0.15 | |||
|- | |||
|Other, each | |||
|Max 0.05 | |||
|- | |||
|Other, total | |||
|Max 0.15 | |||
|- | |||
|Si | |||
|0.4 - 0.8 | |||
|- | |||
|Ti | |||
|Max 0.15 | |||
|- | |||
|Zn | |||
|Max 0.25 | |||
|} | |||