Re: Liquidmetal

Cliff <Clhuprich@xxxxxxx> wrote in
news:9ierm1t4kpeb70lv4ar8u54ahkv6gv2id1@xxxxxxx:

> On 6 Nov 2005 06:16:58 GMT, D Murphy <spamto154@xxxxxxxxxxx> wrote:

<snip>

>>
>>I remember seeing the bouncing ball demo some time ago. I wonder how
>>this stuff cuts.
>
> Might cut quite well. Why not ask them?
>
>>While they tout it as being like plastic, the reality is that
>>it would be more like glass.
>
> Amorphous materials both.
>
>>It has a high hardness and is no doubt very
>>brittle.
>
> That does not follow at all.
> "Metallic glasses" are famed for their formability.

At what temperature?

>
>>I seriously doubt they could hold all of the tolerances required
>>on a hip stem without doing some machining.
>
> Precision investment casting can hold very tight tolerances,
> as can various sintering methods.

The hip stem has a tight tolerance taper that locks into the ball.

>
>>I also wonder if they are just trading the expense of machining for a
>>more expensive alloy.
>
> Machining is expensive and may have scrap.

You think?


--

Dan

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