Consumables for cylinder block made of grey cast
06-19-2014, 09:31 AM,
#1
Consumables for cylinder block made of grey cast
Hi there,

i want to use thermal spraying to rebuild/reconstruct the cylinder liner flange respectively the cylinder liner seat of a cylinder block. Probably, the cylinder block is made of grey cast (material nr. 0.6030 / EN-GJL-300). Material analysis, via scanning electron microscope, comes in a few days. The layer thickness must be about 1 mm (~0,4 in).

I have the choice between flame spray with powder and wire arc spray.

In case of flame spray: self fluxing powders are no possibility because I do not want to take the risk of microstructural changes on cylinder block after heat treatment. So, at this time I prefer the wire arc spray

The post processing should be done by cutting.

Which consumables could be the best for? I thought about chrome-nickel steel, or could be a bronze a possibility?

Thanks for help.
Reply
06-22-2014, 03:09 AM,
#2
RE: Consumables for cylinder block made of grey cast
If you have both I would use wire arc NiAl wires. If you only have flame spray, metco 450, NiAl would work and I don't see any issues with either.
I do like Aluminum bronze coating for wire arc as well and even flame spray metco 445 aluminum bronze seems to work on many different types of castings.


(06-19-2014, 09:31 AM)A_Hanert Wrote: Hi there,

i want to use thermal spraying to rebuild/reconstruct the cylinder liner flange respectively the cylinder liner seat of a cylinder block. Probably, the cylinder block is made of grey cast (material nr. 0.6030 / EN-GJL-300). Material analysis, via scanning electron microscope, comes in a few days. The layer thickness must be about 1 mm (~0,4 in).

I have the choice between flame spray with powder and wire arc spray.

In case of flame spray: self fluxing powders are no possibility because I do not want to take the risk of microstructural changes on cylinder block after heat treatment. So, at this time I prefer the wire arc spray

The post processing should be done by cutting.

Which consumables could be the best for? I thought about chrome-nickel steel, or could be a bronze a possibility?

Thanks for help.

Reply
06-25-2014, 10:19 AM,
#3
RE: Consumables for cylinder block made of grey cast
Thanks, i think i will try Al-bronze. Report will follow.
Reply




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