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Wire of Copper Based Alloy

04/06/2013 1:59 AM

i want to make a wire of 0.5 mm diameter from a rod of 10 mm diameter. The material is a copper alloy.

the composition of alloy is as follows:

Copper = 94.935 %

Silicon = 0.440 %

Phosphorus = 4.240 %

Sulphur = 0.212 %

Iron = 0.022 %

Nickel = 0.018 %

Tin = 0.119 %

Lead = 0.013 %

please suggest the process by which it can be made...........

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#1

Re: wire of copper based alloy

04/06/2013 2:14 AM

Drawing through successive dies.

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#2
In reply to #1

Re: wire of copper based alloy

04/06/2013 2:25 AM

the alloy material is quiet brittle......even then can we use this process?

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#3
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Re: wire of copper based alloy

04/06/2013 2:33 AM

Now I'm not sure. Drawing is just a "standard" process, but in this case there might be some way of including a heating step. (Just a guess).

I'm curious why one would want wire of a brittle material.

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#4
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Re: wire of copper based alloy

04/06/2013 11:14 PM

<I'm curious why one would want wire of a brittle material.> I have the same Question .

Who will buy a Brittle wire?

What is the USP of this alloy wire?

If great USPs exist --- spend time experimenting Electroplating this alloy onto OFHC copper wire dia 0.4 mm --(say) .Or onto Steel Piano wire. --- on the GO .

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#5
In reply to #2

Re: wire of copper based alloy

04/07/2013 8:34 AM

Wire fabrications normally will involve some type of tempering to change or address changes in its physical characteristics.. characteristics such as brittleness. Wire annealing achieved via induction heating is the process that comes to mind that we've used many moons ago!

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#6
In reply to #2

Re: wire of copper based alloy

04/07/2013 2:40 PM

a possible alternative, which avoids tensile stress on the developing wire, would be a rolling mill with appropriate wire forming rollers. These are common in the Jewelery trade, but this application would require Much more robust rolling mill, carbide rollers, and serious force crushing the rollers together.

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#7

Re: Wire of Copper Based Alloy

04/07/2013 5:13 PM

There might be a process of "hot extrusion" where the rod is brought to "plastic" condition and forced through a single step die similar to manufacture of some electrical contact rivets where it is regarded as "cold heading" since he materials are ductile at normal temperatures.

You need to talk to a specialised metalurgist.

I have found Engelhardt quite supportive in the past and they might even offer to tool and process it for you.

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