Metallurgy discussions

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Can somebody explain electrowinning?

Hello, I am curious about the electrowinning process and how it works. An explanation starting with the tailings would...
2 comments posted 21yrs
posted by nospam
2 comments posted 21yrs posted by nospam

Metal foil

Anyone know of a company that can make metal foil in long rolls at around 2 to 5 microns thick? Mark
1 comments posted 21yrs
posted by m.n.robinson
1 comments posted 21yrs posted by m.n.robinson

ONLINE CALCULATOR FOR TUBING?

Looking for an online calculator that gives generic comparisons on the change of tubing thickness to tubing wall. Examp...
4 comments posted 21yrs
posted by theducksmail"AT"yahoo.com
4 comments posted 21yrs posted by theducksmail"AT"yahoo.com

crystallization of silver in ancient coins

I know that any metal will allow the formation of crystals while cooling. Is there any mechanism that would account for...
4 comments posted 21yrs
posted by thall
4 comments posted 21yrs posted by thall

Bulldog for Brits only

Check out http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&rd=1&item=7121238726 Have a great Christmas. Glenn
0 comments posted 21yrs
posted by oldcramo
0 comments posted 21yrs posted by oldcramo

Stretching wire (guitar strings) question...

Hi, As a guitarist I find I am having trouble with new strings and getting them to a stable point where they have stopp...
4 comments posted 21yrs
posted by pcmangler2000
4 comments posted 21yrs posted by pcmangler2000

Deburring

Hello All, I have been reading messages on here for a while, and noticed that every once in a while someone will have s...
3 comments posted 21yrs
posted by loumeister
3 comments posted 21yrs posted by loumeister

H13 / 2344 Tool Steel Surcharges

H13 / 1,2344 Tool Steel Alloy Surcharges for the first quarter 2005 were announced today adding a further GBP 0.31 / ki...
0 comments posted 21yrs
posted by les.preece
0 comments posted 21yrs posted by les.preece

lathe

I have a problem, i byed a used Tornio Anselmi MonoFAP 180 AE lathe from a local machinists scool. The operating/mainte...
6 comments posted 21yrs
posted by nkrbjhvee
6 comments posted 21yrs posted by nkrbjhvee

Paper for Sulphur Printing

Hi, We do quit a lot of this at the company i work for. We used to use a Kodak B&W proofing paper but it would seem as...
3 comments posted 21yrs
posted by andrew.kv
3 comments posted 21yrs posted by andrew.kv

Annealing Techniques and use of ultrasound

I would like some information on: 1. Various annealing techniques 2. se of ultrasonics in strain annealing. Please let...
1 comments posted 21yrs
posted by vuhgar
1 comments posted 21yrs posted by vuhgar

<=_NEW CAD/CAM AND OTHER PROGRAMS_=>

Complete source of all the latest releases. Ask for a catalogue. Part of new programs since last update: --------------...
0 comments posted 21yrs
posted by robssprogs
0 comments posted 21yrs posted by robssprogs

brass dimentional stability

HI, I'm wondering if anyone has experience with the structural stability of brass after it's been machined? example: If...
1 comments posted 21yrs
posted by broomechristopher
1 comments posted 21yrs posted by broomechristopher

Steel shortage

Recently, Nissan Manufacturing shut down a vehicle plant because of a shortage of steel. Toyota is touting a new compos...
12 comments posted 21yrs
posted by jtnospam
12 comments posted 21yrs posted by jtnospam