Nov 20, 2017 #1 123Cat Mechanical Jul 16, 2003 67 0 0 AU I need a pill 2mm Dia by 1 thick with a 1 hole thru , pure I have manganese powder can it be vacuum melted in say a 3mm pyrex tube , then machined to size I hear its hard and brittle , what Rc would that be Thanks
I need a pill 2mm Dia by 1 thick with a 1 hole thru , pure I have manganese powder can it be vacuum melted in say a 3mm pyrex tube , then machined to size I hear its hard and brittle , what Rc would that be Thanks
Nov 20, 2017 #2 moltenmetal Chemical Jun 5, 2003 5,504 0 36 CA Molybdenum melts at 2623 C. Pyrex melts well below that. Upvote 0 Downvote
Nov 20, 2017 #3 racookpe1978 Nuclear Feb 1, 2007 5,968 0 36 US 2 mm OD, 1 mm ID, and only 1 mm high? Can you make it from powdered metal MN? And even that would be very very difficult considering the size of most of the powdered metal you can buy for 3D manufacturing. Ask in the Additive Manufacturing forum. Upvote 0 Downvote
2 mm OD, 1 mm ID, and only 1 mm high? Can you make it from powdered metal MN? And even that would be very very difficult considering the size of most of the powdered metal you can buy for 3D manufacturing. Ask in the Additive Manufacturing forum.
Nov 20, 2017 Thread starter #4 123Cat Mechanical Jul 16, 2003 67 0 0 AU I guess my question is can you somehow get a bar of pure , manganese for machining I read it oxidises easily and burns at a low temp And the Rockwell ?? and its brittle ? I would imagine 3D print out of the question unless its done in a good vacuum Upvote 0 Downvote
I guess my question is can you somehow get a bar of pure , manganese for machining I read it oxidises easily and burns at a low temp And the Rockwell ?? and its brittle ? I would imagine 3D print out of the question unless its done in a good vacuum
Nov 20, 2017 Thread starter #5 123Cat Mechanical Jul 16, 2003 67 0 0 AU I have an Electron beam welder , could I melt the powder in an aluminium oxide crucible ? Upvote 0 Downvote
Nov 21, 2017 #6 hendersdc Mechanical Feb 27, 2008 526 0 16 US You can buy 2mm diameter rod on Sigma Aldrich, not very cheap though: [URL unfurl="true"]https://www.sigmaaldrich.com/catalog/product/aldrich/gf29823734?lang=en®ion=US[/url] [URL unfurl="true"]https://www.sigmaaldrich.com/catalog/product/aldrich/gf97094650?lang=en®ion=US[/url] I don't know how machineable this stuff is but at least the rod is a good starting point. Upvote 0 Downvote
You can buy 2mm diameter rod on Sigma Aldrich, not very cheap though: [URL unfurl="true"]https://www.sigmaaldrich.com/catalog/product/aldrich/gf29823734?lang=en®ion=US[/url] [URL unfurl="true"]https://www.sigmaaldrich.com/catalog/product/aldrich/gf97094650?lang=en®ion=US[/url] I don't know how machineable this stuff is but at least the rod is a good starting point.
Nov 22, 2017 Thread starter #7 123Cat Mechanical Jul 16, 2003 67 0 0 AU Thanks so much for that But the question is can I drill a 1mm hole thru it and part or wirecut it off to 1mm wide or is the material too brittle to withstand this Thanks Upvote 0 Downvote
Thanks so much for that But the question is can I drill a 1mm hole thru it and part or wirecut it off to 1mm wide or is the material too brittle to withstand this Thanks
Nov 22, 2017 Thread starter #8 123Cat Mechanical Jul 16, 2003 67 0 0 AU Hi Someone at work had a bottle with broken pieces of it 1mm thick approx , will drill 1 mm hole in it and tell you how it goes Upvote 0 Downvote
Hi Someone at work had a bottle with broken pieces of it 1mm thick approx , will drill 1 mm hole in it and tell you how it goes
Nov 22, 2017 #9 Maui Materials Mar 5, 2003 1,891 0 36 US What is the intended application? Why do you need pure manganese? Upvote 0 Downvote
Nov 26, 2017 Thread starter #10 123Cat Mechanical Jul 16, 2003 67 0 0 AU Hi its an experiment where I work , they dont want carbon in that area Ive been off work more about machining manganese soon Upvote 0 Downvote
Hi its an experiment where I work , they dont want carbon in that area Ive been off work more about machining manganese soon
Nov 26, 2017 Thread starter #11 123Cat Mechanical Jul 16, 2003 67 0 0 AU No No I estimate nearly 60 Rc , may have even damaged my file , wont drill EDM might do it Upvote 0 Downvote
Nov 26, 2017 Thread starter #12 123Cat Mechanical Jul 16, 2003 67 0 0 AU I tried compressing the powder falls apart,,, ugh , may be sintered?? , only maybe,,,,,,, in a reducing atmosphere, I will ask Upvote 0 Downvote
I tried compressing the powder falls apart,,, ugh , may be sintered?? , only maybe,,,,,,, in a reducing atmosphere, I will ask
Nov 27, 2017 #13 moltenmetal Chemical Jun 5, 2003 5,504 0 36 CA EDM will do it. Drilling's for the birds, as is trying to melt the stuff. Upvote 0 Downvote
Nov 28, 2017 Thread starter #14 123Cat Mechanical Jul 16, 2003 67 0 0 AU I hope that gives you some idea what Mn is like If I EDM it I will tell you Costly and may not be affordable for this experiment , I mean Upvote 0 Downvote
I hope that gives you some idea what Mn is like If I EDM it I will tell you Costly and may not be affordable for this experiment , I mean