Metallurgy discussions

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Dezincification of Bronze

Looking for information on controlling dezincification (boil off of zinc) while at high temp 1670 degrees F. It's a bron...
3 comments posted 21yrs
posted by joesmo
3 comments posted 21yrs posted by joesmo

52100 properties

I've had a hard time finding properties for heat-treated 52100 used in a ball bearing. Matweb, Mil-Handbook 5, and basi...
8 comments posted 21yrs
posted by dave.harper
8 comments posted 21yrs posted by dave.harper

SURFSULPH

Anyone heard of this treatment or who does it, it appears to be a type of salt bath nitriding. Thanks
2 comments posted 21yrs
posted by paul
2 comments posted 21yrs posted by paul

iridium ring

I have been asked by a friend in Canada to locate a jeweller or craftsman who could make a ring in Iridium metal. Any s...
0 comments posted 21yrs
posted by arun.kasc
0 comments posted 21yrs posted by arun.kasc

Iridium

I've read that iridium is used in the impact shielding of radioisotope thermoelectric generators (RTG) on spacecraft be...
4 comments posted 21yrs
posted by slimjim
4 comments posted 21yrs posted by slimjim

How to create Duranium ???

I want to build a spaceship, but I need Duranium for building the hull, so that the aliens cannot shoot me with laser gu...
3 comments posted 21yrs
posted by mist_distance
3 comments posted 21yrs posted by mist_distance

What are masonry drill bits made of?

Just wondering since they are so hard but can still take impact abuse. Any idea what alloys they may be, like the Bosch...
2 comments posted 21yrs
posted by good2get2know
2 comments posted 21yrs posted by good2get2know

Electroless Nickel Plating Effects on Knurling

Can anyone tell me what the effects of the electroless nickel plating processes are on a annaled 1018 cold rolled steel...
0 comments posted 21yrs
posted by mck1
0 comments posted 21yrs posted by mck1

Effect of impurities on Thermal Co-efficient

Hello, Can anyone tell me how to find out the effect of impurities in copper wire on thermal co-efficient of conductivi...
8 comments posted 21yrs
posted by mark4982
8 comments posted 21yrs posted by mark4982

Electroplating at the nanoscale.

For my application, I want to electroplate a metal onto a non-conductor at a thickness of less than 100 nanometers - a...
13 comments posted 21yrs
posted by rgregoryclark
13 comments posted 21yrs posted by rgregoryclark

Live rust?

Hi, I'm wondering what the deal is with live rust. I heard that rust is sometimes caused or catalyzed by basically a ba...
3 comments posted 21yrs
posted by raf
3 comments posted 21yrs posted by raf

cast iron cookware? how it looks black?

with regard to cast iron cookware, how do they look black? Was it painted black? or is this a property of cast iron that...
2 comments posted 21yrs
posted by orc_general
2 comments posted 21yrs posted by orc_general

Heat Treating 6061-T4 without quenching

Hi There, Here is a question that no one in the industry answered me if I can do it yet. I am building on the side an a...
1 comments posted 21yrs
posted by dumont_fly
1 comments posted 21yrs posted by dumont_fly