kleberrios Posted October 7, 2016 Posted October 7, 2016 This is My casting magnalium operating Since 1997 here in Rio de Janeiro Brazil https://www.youtube.com/watch?v=sR3N8Rr0QJQ
OldMarine Posted October 7, 2016 Posted October 7, 2016 Can you possibly post a video of the smelting process? We've had numerous discussions on several sites on how this is done. One member has it down to a tee and I love his MgAl but I'd still like to know how to process the metal in case he dies or something! (Yeah, you. August!)
kleberrios Posted October 7, 2016 Author Posted October 7, 2016 It's okay to post a video of the whole process for you forum, the problem is the competitors here from Brazil who would give everything to learn the process that is a fully industrial secret, have any suggestions so that they take no knowledge of the process?
OldMarine Posted October 7, 2016 Posted October 7, 2016 Post the video as private, then you'll have the option to invite people to see it. That keeps prying eyes out of your process.
austar Posted October 10, 2016 Posted October 10, 2016 O work in an aluminum casting factory in Australia, i have been casting my ownnon a as needed basis gor the last 13 mths
Arthur Posted October 10, 2016 Posted October 10, 2016 I know this has been done in England. BUT I know that there are some wild assumptions about the purity of the metals that people come by for use. ONLY if you can get some assurance of the metals going in can you have any assurance of the alloy coming out. Should hot magnalium liquid catch fire it's hard to extinguish!
memo Posted October 10, 2016 Posted October 10, 2016 i have had a hard time to find the alloy of scrap magnesium. the only scrap I have found that is very hi in magnesium is anodes for water heaters. they are hard to find as scrap. for the best magnalium 50/50 mix of magnesium and aluminum . that is impossible to get using scrap. memo
Arthur Posted October 10, 2016 Posted October 10, 2016 With some checking, damaged automotive alloy wheels seem to be the easiest source of magnesium, Magnesium anodes are available for steel boats in some salt and fresh waters but these come at new price not scrap price. Some bits of the VW beetle and camper engine were magnesium but these are probably more valuable as car parts now!
kleberrios Posted October 11, 2016 Author Posted October 11, 2016 (edited) Yesterday arrive in my factory 3ton of AZ91 Mg alloy scrap to make about 5 ton of magal https://www.youtube.com/watch?v=DyVcri3jdjQ Edited October 11, 2016 by kleberrios
MrB Posted October 12, 2016 Posted October 12, 2016 With some checking, damaged automotive alloy wheels seem to be the easiest source of magnesium, Magnesium anodes are available for steel boats in some salt and fresh waters but these come at new price not scrap price. Some bits of the VW beetle and camper engine were magnesium but these are probably more valuable as car parts now! Carparts in general is "probably" the best source for chunks of magnesium, or rather magnalium. Everything from transfer-boxes to gearboxes, and internal support brackets for instrumentation, is made of the stuff.Of course, not all are, but brands with premium models tend to use it in some parts, and figuring out which parts, makes it "easy" to get the right bits, from trashed parts. Around here i've been lucky enough to be able to snag Mercedes transmission cases for the 7G-tronic. I know BMW has a 6 cylinder "hybrid" aluminium / magnesium engine block, and bits that bolts on to it made from magnesium, and so on. For people over in the US... Try looking for chrysler intake manifolds, since they have been using magnesium alloys there for quite some time.A lot of wheel rims were magnesium "back in the days of old", but now all the "alloy wheels" pretty much is aluminum.Probably the worst part is that it IS alloys. And a lot of the time there isn't really a way to know WHAT alloy. It can be anything from 40 to 95% magnesium, with "most" of the other stuff being aluminum, and stuff like manganese, silicone, zirkonium, zink... Well, to much to list really, making up a small chunk of the last few %.It might be something exotic like something like WE43, which is a 93.6%, and the rest is yttrium, neodymium and zirconium. More likely it's something related to AZ91DT which is 9% aluminium, and 1 % zink. (typical for transmission casings) Also... If you find a good set of magnesium rim's, you might be better of selling them, and buying all the magnalium you want.B!
August Posted October 19, 2016 Posted October 19, 2016 Can you explain why the molten ingots are not catching on fire when exposed to air? I've only cast a few thousand pounds of MgAl, but it always burns when exposed to air as a liquid. Have to keep a lid on the crucible to keep the mix from burning. Sure that's not just aluminum ingot being cast?
kleberrios Posted October 20, 2016 Author Posted October 20, 2016 Your oven is gas, oil, electricity, coal, induction or electric?
August Posted October 24, 2016 Posted October 24, 2016 Personally using coal, not sure how that's relative. The burning coal helps keep oxygen away from the mix, but it still requires a lid to prevent it from catching fire. For materials, I use Mg ingot and clean 6061 aluminum. Tried to find scrap Mg but couldn't.
kleberrios Posted October 25, 2016 Author Posted October 25, 2016 Liquid Mg, ready to put Scrap Al, to make 200 kg Magnalium https://www.youtube.com/watch?v=Vp2RH5GLv4w
kleberrios Posted October 25, 2016 Author Posted October 25, 2016 Here, put scrap Al https://www.youtube.com/watch?v=NJ7Z5yQGvKc
Recommended Posts