Re: [DML] Modified Trailing Arms For 1/2" Bolts

["Martin Gutkowski" <martin@xxxxxxxxxxxxxx>]

I'm just being pedantic about terminology. It's a curse I carry -  having been raised by a mechanical engineer and now being one myself!

My favourite is that "plastic" is not a material, it's a property most polymers have.

Martin

Sent from my BlackBerry®

-----Original Message-----
From: "K.L. (KAYO) Ong" <klo@xxxxxxxxx>
Sender: dmcnews@xxxxxxxxxxxxxxx
Date: Wed, 08 Feb 2012 03:13:49 
To: <dmcnews@xxxxxxxxxxxxxxx>
Reply-To: dmcnews@xxxxxxxxxxxxxxx
Subject: Re: [DML] Modified Trailing Arms For 1/2" Bolts

Hi Martin:

True, except carbon fiber is not a metal, which can not be included  
in this topic for comparison...

Kayo



On Feb 8, 2012, at 2:53 AM, Martin Gutkowski wrote:

> Actually while hard materials tend to be brittle, it's not the same  
> thing. Soft is not the same as ductile - eg carbon fibre composite  
> has a very high tensile strength and low ductility but is nowhere  
> near as hard as even aluminium.
>
> Hardness is a surface property, brittleness (resistance to crack  
> propagation) and tensile strength, modulus of elasticity and  
> ductility are all structural properties.
>
> Martin
> Sent from my BlackBerry®



[Non-text portions of this message have been removed]



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