Talk:Metal foam

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I've added an image of an open cell foam and a mention of closed cell foams - as they're also quite a widespread material. This does not sit easily in the structure of the 'foams' page, where metal foams are currently listed as a subset of open cell foams - maybe worth rearranging.

The Defining Characteristic[edit]

"The defining characteristic of metal foams is a very high porosity: typically 75-95% of the volume consists of void spaces." I was thinking that the defining characteristic would be: "Being made out of metal, and also a foam". —Preceding unsigned comment added by (talk) 09:50, 21 April 2011 (UTC)

Aluminum foams and the Oklo reactor[edit]

the article says: "naturally formed Aluminum foams have been found in the Oklo reactor... " This information seems incorect. Aluminum is highly unstable in geological formation, and never found in metallic form. This looks like somebody wanted to make a joke... —Preceding unsigned comment added by (talk) 05:18, 10 December 2007 (UTC)

Definitely seems to be purposefully injected false info. —Preceding unsigned comment added by (talk) 14:32, 14 June 2009 (UTC)

More uses?[edit]

The article in this iste: [Aluminum Foam] talks about this subject, talking about the use of Aluminum Foam to armour and impact absorvers.Agre22 (talk) 03:13, 23 May 2009 (UTC)agre22

Latticed metal foam?[edit]

I recall reading about former-Soviet classified technologies entering the workplace, one of them was described as a technique to foam metal with the bubbles forming a perfect grid structure for extremely high structural strength ... urban legend?

Hobart (talk) 15:33, 11 March 2010 (UTC)


The introduction states "metal foams cannot be considered a commodity". For a reader unfamiliar with the subject, what is the meaning of this statement? Arbitrarily0 (talk) 18:43, 15 April 2014 (UTC)