tj garland wrote:
>
> I have not seen any auto parts made from Hastelloy. What would they be? I've
> scrapped dozens of jet engibes with hastelloy . God, Gold, and Guns made
> America great! Jolly
Hi Jolly and list,
Glad to see you have worked with jet engines.
Back in the 40`s during world war 2 the biggest problem with engines
was failure of bearing,piston rings etc,parts subject to high temps and
high forces.A new alloy was invented by a company called *Hastings*.
They made a new alloy called Hastalloy. It was dimensionally stable over
a large temperture range. They made piston rings,push
rods,bearings,springs and other parts that had to keep their
dimensions. They are low expansion alloys.When an engine warms up we
want the push rod to stay the correct lenght so the valve will open at
the right time,we want the springs to stay the same length and strength
to close the valve at the right time,if they do not the engine will not
run right and not develope full power. That is most important in
aircraft and racing engines. You may recall the Hastings commercials
with the muscle man holding a piston ring and the logo *Tought but oh so
Gentle*.All new car engines make extensive use of Hastalloy alloys, over
six that I know of.Naturally we also find a lot of Hastalloy in jet
engines. :-)
Bless you Bob Lee
--
oozing on the muggy shore of the gulf coast
[email protected]
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