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en.wikipedia.org/wiki/Precipitation_hardening

Precipitation hardening, also called age hardening or particle hardening, is a heat treatment ... Elements used for precipitation strengthening in typical aluminum and titanium alloys make up about 10% of their composition. While binary alloys ...

www.lincolnelectric.com/en-us/support/welding-how-to/Pages/aluminum-design-mistakes-detail.aspx

They can only be strengthened by cold working (also called strain hardening). The 1XXX alloys, such as 1100, 1188, or 1350, are essentially pure aluminum ...

www.alloyavenue.com/vb/showthread.php?1503-Hardening-aluminum

Is there any way to harden aluminum- like quenching steel?... i want to see if i can harden the blade of my aluminum knife.

www.aluminiumindustry.org/en/aluminum-strengthening-mechanisms.html

Solid-solution hardening describes the increase in hardening attributable to foreign atoms (alloying elements) in the crystal lattice of aluminum. The foreign ...

www.thefabricator.com/article/aluminumwelding/achieving-t6-designation-for-6061

Mar 14, 2011 ... All of these alloys are heat treated by precipitation hardening. This involves two steps—solution heat treating and aging. Solution heat ...

www.thermtech.net/aluminum-heat-treatment

ThermTech can age harden several varieties of Aluminum to the T-6 or T6 condition. We've aged smaller diameter tubes up to 12' lengths and can handle many ...

www.ask.com/youtube?q=How+to+Harden+Aluminum&v=BBFBJ1zJlmA
Mar 24, 2008 ... The Federal Security Agency Heat Treatment of Aluminum - Part I NTIS AVA12784VNB1, 1945.
www.ask.com/youtube?q=How+to+Harden+Aluminum&v=Q1QC2IBN02A
May 19, 2013 ... Jones Metal is Nadcap certified in Aluminum Heat Treating Services and is proud of 99% on-time delivery. Learn more at ...

www.totalmateria.com/page.aspx?ID=CheckArticle&site=ktn&NM=235

Precipitation hardening, or age hardening, provides one of the most widely used mechanisms for the strengthening of metal alloys. The strongest aluminum ...

www.hunker.com/12569452/how-to-harden-aluminum-foil

There may be several reasons why you would want to harden aluminum foil. A sculpture made of aluminum foil can be fragile and you may wish to make it more  ...