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Home > Forums > Materials Engineers > Materials > Metal and Metallurgy engineering Forum

Spongy shrinkage in ductile iron(2)

Read More Threads Like This One

Hercules28 (Materials)

23 Jul 12 16:38

Dear all,

Of the top of your heads,
what are the main reasons for spongy shrinkage in Ductile iron?

Thanks,

Herc

berkshire (Aeronautics)

23 Jul 12 19:10

There was something Fizzing in there when it was cast

The good engineer does not need to memorize every formula; he just needs to know where he can find them when he needs them. Old professor

metengr (Materials)

23 Jul 12 22:49

Nothing is off of the top of my head because I have a lousy memory as I age. However, I know here to find information

http://www.sandb.de/uploads/media/08_Micro-cavitie...

arunmrao (Materials)

24 Jul 12 1:33

Spongy shrinkage is also referred to as secondary shrinkage or interdendritic shrinkage. Probable causes for these defects could be high C.E, heavy section thickness,weak mold strength .Hope it helps.

_____________________________________
"It's better to die standing than live your whole life on the knees" by Peter Mayle in his book A Good Year

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